Products · Pipes · Seamless
Seamless steel pipe, every discipline.
One mill, the full seamless range — OCTG, line pipe, boiler & superheater, high-temperature alloy, stainless, low-temperature, mechanical, marine, and specialty tube.
Product lines
20 seamless pipe families. Jump to any.
01 / API 5CT
Oil Casing & Tubing (OCTG)
Casing and tubing for oil and gas wells, supplied to API 5CT / 5B / ISO 11960.
Tubing is used to extract petroleum and natural gas from a well. Casing serves as the walls of a well.
- Standards
- API SPEC 5CTAPI SPEC 5BISO 11960
- Main grades
- J55K55L80-1N80C90T95P110
What we can do
- End finish: P = plain end, N = non-upset, U = external upset
- T&C = threaded and coupled; I = integral connector
02 / API 5L
Line Pipe
Transmission line pipe for oil, gas and water, PSL1 / PSL2.
It is used for conveying gas, water and petroleum in the oil and natural gas industries.
- Standards
- API SPEC 5LISO 3183GB/T 9711DNV-OS-F101IPS-M-PI-190(2)
- Main grades
- L245/BL290/X42L320/X46L360/X52L390/X56L415/X60L450/X65
Chemical composition (%)
| Standard | Grade | C (max) | Si (max) | Mn (max) | P (max) | S (max) | CEIIW (max) | CEPcm (max) |
|---|---|---|---|---|---|---|---|---|
| GB/T 9711 | L245 | 0.28 | — | 1.20 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L245 or B PSL1 | 0.28 | — | 1.20 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L245N or BN PSL2 | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | 0.43 | 0.25 |
| API 5L / ISO 3183 | L245NS or BNS PSL2 | 0.14 | 0.40 | 1.35 | 0.020 | 0.003 | 0.36 | 0.19 |
| API 5L / ISO 3183 | L245NO or BNO PSL2 | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 | 0.36 | 0.19 |
| DNV-OS-F101 | 245 | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 | 0.34 | 0.20 |
| IPS-M-PI-190(2) | B (Sour services) | 0.17 | 0.40 | 1.15 | 0.015 | 0.003 | 0.39 | 0.21 |
| IPS-M-PI-190(2) | B | 0.17 | 0.40 | 1.15 | 0.020 | 0.015 | 0.39 | 0.21 |
| GB/T 9711 | L290 | 0.28 | — | 1.30 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L290 or X42 PSL1 | 0.28 | — | 1.30 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L290N or X42N PSL2 | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | 0.43 | 0.25 |
| API 5L / ISO 3183 | L290NS or X42NS PSL2 | 0.14 | 0.40 | 1.35 | 0.020 | 0.003 | 0.36 | 0.19 |
| API 5L / ISO 3183 | L290NO or X42NO PSL2 | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 | 0.36 | 0.19 |
| DNV-OS-F101 | 290 | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 | 0.34 | 0.20 |
| IPS-M-PI-190(2) | X42 | 0.18 | 0.40 | 1.25 | 0.020 | 0.015 | 0.39 | 0.21 |
| IPS-M-PI-190(2) | X42 (Sour services) | 0.16 | 0.40 | 1.25 | 0.015 | 0.003 | 0.39 | 0.21 |
| GB/T 9711 | L360 | 0.31 | — | 1.35 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L360 or X52 PSL1 | 0.26 | — | 1.40 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L360N or X52N PSL2 | 0.24 | 0.35 | 1.40 | 0.025 | 0.015 | 0.43 | 0.25 |
| API 5L / ISO 3183 | L360NS or X52NS PSL2 | 0.16 | 0.45 | 1.65 | 0.020 | 0.003 | 0.43 | 0.22 |
| API 5L / ISO 3183 | L360QS or X52QS PSL2 | 0.16 | 0.45 | 1.65 | 0.020 | 0.003 | 0.43 | 0.22 |
| API 5L / ISO 3183 | L360QO or X52QO PSL2 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.39 | 0.20 |
| DNV-OS-F101 | 360 | 0.14 | 0.45 | 1.65 | 0.020 | 0.010 | 0.39 | 0.22 |
| IPS-M-PI-190(2) | X52 | 0.17 | 0.40 | 1.25 | 0.020 | 0.015 | 0.39 | 0.21 |
| IPS-M-PI-190(2) | X52 (Sour services) | 0.17 | 0.40 | 1.25 | 0.015 | 0.003 | 0.39 | 0.21 |
| GB/T 9711.2 | L415 | 0.26 | — | 1.40 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L415 or X60 PSL1 | 0.28 | — | 1.40 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L415N or X60N PSL2 | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | as agreed | as agreed |
| API 5L / ISO 3183 | L415Q or X60Q PSL2 | 0.18 | 0.45 | 1.70 | 0.025 | 0.015 | 0.43 | 0.25 |
| API 5L / ISO 3183 | L415QS or X60QS PSL2 | 0.16 | 0.45 | 1.65 | 0.020 | 0.003 | 0.41 | 0.22 |
| API 5L / ISO 3183 | L415QO or X60QO PSL2 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.41 | 0.22 |
| DNV-OS-F101 | 415 | 0.14 | 0.45 | 1.65 | 0.020 | 0.010 | 0.39 | 0.22 |
| DNV-OS-F101 | 415 (Sour services) | 0.13 | 0.45 | 1.45 | 0.015 | 0.003 | 0.39 | 0.21 |
| IPS-M-PI-190(2) | X60 | 0.15 | 0.35 | 1.45 | 0.020 | 0.015 | 0.39 | 0.21 |
| IPS-M-PI-190(2) | X60 (Sour services) | 0.15 | 0.35 | 1.30 | 0.015 | 0.003 | 0.39 | 0.21 |
| GB/T 9711.3 | L450 | 0.26 | 0.45 | 1.40 | 0.030 | 0.030 | — | as agreed |
| API 5L / ISO 3183 | L450 or X65 PSL1 | 0.26 | — | 1.40 | 0.030 | 0.030 | — | — |
| API 5L / ISO 3183 | L450Q or X65Q PSL2 | 0.18 | 0.45 | 1.70 | 0.025 | 0.015 | 0.43 | 0.25 |
| API 5L / ISO 3183 | L450QS or X65QS PSL2 | 0.16 | 0.45 | 1.65 | 0.020 | 0.003 | 0.42 | 0.22 |
| API 5L / ISO 3183 | L450QO or X65QO PSL2 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.42 | 0.22 |
| DNV-OS-F101 | 450 | 0.15 | 0.45 | 1.65 | 0.020 | 0.010 | 0.40 | 0.23 |
| DNV-OS-F101 | 450 (Sour services) | 0.14 | 0.45 | 1.55 | 0.015 | 0.003 | 0.40 | 0.23 |
| IPS-M-PI-190(2) | X65 | 0.15 | 0.35 | 1.50 | 0.020 | 0.015 | 0.39 | 0.21 |
| IPS-M-PI-190(2) | X65 (Sour services) | 0.15 | 0.35 | 1.30 | 0.015 | 0.003 | 0.39 | 0.21 |
Mechanical properties
| Grade | PSL | Tensile (MPa) | Tensile max (MPa) | Yield (MPa) | Yield max (MPa) |
|---|---|---|---|---|---|
| L245/B | PSL1 | 415 | — | 245 | — |
| L290/X42 | PSL1 | 415 | — | 290 | — |
| L320/X46 | PSL1 | 435 | — | 320 | — |
| L360/X52 | PSL1 | 460 | — | 360 | — |
| L390/X56 | PSL1 | 490 | — | 390 | — |
| L415/X60 | PSL1 | 520 | — | 415 | — |
| L450/X65 | PSL1 | 535 | — | 450 | — |
| L245N/BN | PSL2 | 415 | 655 | 245 | 450 |
| L290N/X42N | PSL2 | 415 | 655 | 290 | 495 |
| L320N/X46N | PSL2 | 435 | 655 | 320 | 525 |
| L360N/X52N | PSL2 | 460 | 760 | 360 | 530 |
| L390N/X56N | PSL2 | 490 | 760 | 390 | 545 |
| L415N/X60N | PSL2 | 520 | 760 | 415 | 565 |
| L450N/X65N | PSL2 | 535 | 760 | 450 | 600 |
03 / A106 / A53 / JIS
Carbon Steel Pipeline & General Pipe
Carbon-steel pipe for pipelines, general service, and pressure pipelines.
3 options — tap a button to switch
Option 1 of 3
Catalog p.22
Tube for Pipelines (ASTM A106)
管道管
It is used for the machining for bending, border-coiling and similar shape forming.
- Standards
- ASTM A106
- Main grades
- A106-AA106-BA106-C
Chemical composition (%)
| Grade | C | Si | Mn | P, S | Cr | Mo | Ni | Cu | V |
|---|---|---|---|---|---|---|---|---|---|
| A | ≤0.25 | ≥0.10 | 0.27~0.93 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 | ≤0.08 |
| B | ≤0.30 | ≥0.10 | 0.29~1.06 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 | ≤0.08 |
| C | ≤0.35 | ≥0.10 | 0.29~1.06 | ≤0.035 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 | ≤0.08 |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) |
|---|---|---|
| A | 330 | 205 |
| B | 415 | 240 |
| C | 485 | 275 |
Option 2 of 3
Catalog p.22
Pipe for Normal Purposes (ASTM A53)
一般用途管
It is applied as pressed and forced parts and as pipeline for steam, water, gas and atmosphere delivery.
- Standards
- ASTM A53
- Main grades
- A53-AA53-B
Chemical composition (%)
| Grade | C | Si | Mn | P | S | Cu | Ni | Mo | Cr | V |
|---|---|---|---|---|---|---|---|---|---|---|
| A | ≤0.25 | — | ≤0.95 | ≤0.05 | ≤0.045 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
| B | ≤0.30 | — | ≤1.20 | ≤0.05 | ≤0.045 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) |
|---|---|---|
| A | 330 | 205 |
| B | 415 | 240 |
Option 3 of 3
Catalog p.27
Carbon Steel Pressure Pipe (JIS)
压力管道、高压管道、高温管道用碳素钢管
G3454: carbon steel pipe for pressure pipeline below 350°C. G3455: for higher working pressure below 350°C. G3456: for pressure pipeline over 350°C.
- Standards
- JIS G3454JIS G3455JIS G3456
- Main grades
- STPG370STPG410STS370STS410STS480STPT370STPT410STPT480
Chemical composition (%)
| Grade | C | Si | Mn | P | S |
|---|---|---|---|---|---|
| STPG370 | ≤0.25 | ≤0.35 | 0.30~0.90 | ≤0.040 | ≤0.040 |
| STPG410 | ≤0.30 | ≤0.35 | 0.30~1.00 | ≤0.040 | ≤0.040 |
| STS370 | ≤0.25 | 0.10~0.35 | 0.30~1.10 | ≤0.035 | ≤0.035 |
| STS410 | ≤0.30 | 0.10~0.35 | 0.30~1.40 | ≤0.035 | ≤0.035 |
| STS480 | ≤0.33 | 0.10~0.35 | 0.30~1.50 | ≤0.035 | ≤0.035 |
| STPT370 | ≤0.25 | 0.10~0.35 | 0.30~0.90 | ≤0.035 | ≤0.035 |
| STPT410 | ≤0.30 | 0.10~0.35 | 0.30~1.00 | ≤0.035 | ≤0.035 |
| STPT480 | ≤0.33 | 0.10~0.35 | 0.30~1.00 | ≤0.035 | ≤0.035 |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| STPG370 | 370 | 215 | 30 |
| STPG410 | 410 | 245 | 25 |
| STS370 | 370 | 215 | 30 |
| STS410 | 410 | 245 | 25 |
| STS480 | 400 | 275 | 25 |
| STPT370 | 370 | 215 | 30 |
| STPT410 | 410 | 245 | 25 |
| STPT480 | 480 | 275 | 25 |
04 / EN 10216 / ASTM / JIS
Pressure, Boiler & Superheater Tube
Pressure-purpose tube and minimum-wall boiler, superheater and heat-exchanger tube.
6 options — tap a button to switch
Option 1 of 6
Catalog p.18
Tube for Pressure Purposes (EN 10216)
管道、压力容器、锅炉钢管
It is applied for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.
- Standards
- EN 10216-1EN 10216-2
- Main grades
- P195TR1P195TR2P235TR1P235TR2P265TR1P265TR2P195GHP235GHP265GH13CrMo4-510CrMo9-10WB3616Mo3
Chemical composition (%)
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni | Al | Cu | Nb | Ti | V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P195TR1 | ≤0.13 | ≤0.35 | ≤0.70 | ≤0.025 | ≤0.02 | ≤0.30 | ≤0.08 | ≤0.30 | — | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P195TR2 | ≤0.13 | ≤0.35 | ≤0.70 | ≤0.025 | ≤0.02 | ≤0.30 | ≤0.08 | ≤0.30 | ≥0.02 | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P235TR1 | ≤0.16 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.02 | ≤0.30 | ≤0.08 | ≤0.30 | — | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P235TR2 | ≤0.16 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.02 | ≤0.30 | ≤0.08 | ≤0.30 | ≥0.02 | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P265TR1 | ≤0.20 | ≤0.40 | ≤1.40 | ≤0.025 | ≤0.02 | ≤0.30 | ≤0.08 | ≤0.30 | — | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P265TR2 | ≤0.20 | ≤0.40 | ≤1.40 | ≤0.025 | ≤0.02 | ≤0.30 | ≤0.08 | ≤0.30 | ≥0.02 | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P195GH | ≤0.13 | ≤0.35 | ≤0.70 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.08 | ≤0.30 | ≥0.02 | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P235GH | ≤0.16 | ≤0.35 | ≤1.20 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.08 | ≤0.30 | ≥0.02 | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| P265GH | ≤0.20 | ≤0.40 | ≤1.40 | ≤0.025 | ≤0.020 | ≤0.30 | ≤0.08 | ≤0.30 | ≥0.02 | ≤0.30 | ≤0.01 | ≤0.04 | ≤0.02 |
| 13CrMo4-5 | 0.10~0.17 | ≤0.35 | 0.40~0.70 | ≤0.025 | ≤0.020 | 0.70~1.15 | 0.40~0.60 | ≤0.30 | ≤0.04 | ≤0.30 | — | — | — |
| 10CrMo9-10 | 0.08~0.14 | ≤0.50 | 0.30~0.70 | ≤0.025 | ≤0.020 | 2.00~2.50 | 0.90~1.10 | ≤0.30 | ≤0.04 | ≤0.30 | — | — | — |
| WB36 | 0.10~0.17 | ≤0.17 | 0.25~0.50 | ≤0.025 | ≤0.020 | ≤0.30 | 0.25~0.50 | ≤0.30 | ≤0.30 | ≤0.30 | ≤0.015 | ≤0.045 | ≤0.02 |
| 16Mo3 | 0.12~0.20 | ≤0.35 | 0.40~0.90 | ≤0.025 | ≤0.020 | ≤0.30 | 0.25~0.35 | ≤0.30 | ≤0.040 | ≤0.30 | — | — | — |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) | Impact (J) |
|---|---|---|---|---|
| P195TR1 | 320–440 | 195 | 27 | — |
| P195TR2 | 320–440 | 195 | 27 | 40 |
| P235TR1 | 360–500 | 235 | 25 | — |
| P235TR2 | 360–500 | 235 | 25 | 40 |
| P265TR1 | 410–570 | 265 | 21 | — |
| P265TR2 | 410–570 | 265 | 21 | 40 |
| P195GH | 320–440 | 195 | 27 | 40 |
| P235GH | 360–500 | 235 | 25 | 40 |
| P265GH | 410–570 | 265 | 23 | 40 |
| 13CrMo4-5 | 440–590 | 290 | 22 | 40 |
| 10CrMo9-10 | 480–630 | 280 | 22 | 40 |
| WB36 | 610–780 | 440 | 19 | 40 |
| 16Mo3 | 450–600 | 280 | 22 | 40 |
Option 2 of 6
Catalog p.20
Boiler / Superheater / Heat-Exchanger Tube (ASTM A213)
锅炉、过热器和换热器管
It is used for boiler and superheater minimum-wall-thickness seamless ferrite and austenitic steel tube and heat-exchanger austenitic steel tube.
- Standards
- ASTM A213
- Main grades
- T11T12T22T91
Chemical composition (%)
| Grade | C | Si | Mn | P, S | Cr | Mo | V | Cu | Ni |
|---|---|---|---|---|---|---|---|---|---|
| T11 | 0.05~0.15 | 0.50~1.00 | 0.30~0.60 | ≤0.025 | 1.00~1.50 | 0.44~0.65 | — | — | — |
| T12 | 0.05~0.15 | ≤0.50 | 0.30~0.61 | ≤0.025 | 0.80~1.25 | 0.44~0.65 | — | — | — |
| T22 | 0.05~0.15 | ≤0.50 | 0.30~0.60 | ≤0.025 | 1.90~2.60 | 0.87~1.13 | — | — | — |
| T91 | 0.08~0.12 | 0.20~0.50 | 0.30~0.60 | ≤0.020 | 8.00~9.50 | 0.85~1.05 | — | — | — |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| T11 | 415 | 170 | 30 |
| T12 | 415 | 205 | 30 |
| T22 | 415 | 205 | 30 |
| T91 | 585 | 415 | 20 |
Option 3 of 6
Catalog p.20
Boiler / Superheater Tube (ASTM A210)
锅炉、过热器管
It is used for boiler and boiler flue tubes, including safe end, vault and supporting tube, and superheater minimum-wall-thickness seamless medium-carbon steel tube.
- Standards
- ASTM A210
- Main grades
- A-1C
Chemical composition (%)
| Grade | C | Si | Mn | P, S | Cr | Mo | V | Cu | Ni |
|---|---|---|---|---|---|---|---|---|---|
| A-1 | ≤0.27 | ≥0.10 | ≤0.93 | ≤0.035 | — | — | — | — | — |
| C | ≤0.35 | ≥0.10 | 0.29~1.06 | ≤0.035 | — | — | — | — | — |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| A-1 | 415 | 255 | 30 |
| C | 485 | 275 | 30 |
Option 4 of 6
Catalog p.21
Boiler Tube (ASTM A192)
锅炉管
It is used for high-pressure minimum-wall-thickness seamless carbon steel boiler and superheater tube.
- Standards
- ASTM A192
- Main grades
- A192
Chemical composition (%)
| Grade | C | Si | Mn | P, S | Mo | Ni | Cu |
|---|---|---|---|---|---|---|---|
| A192 | 0.06~0.18 | ≤0.25 | 0.27~0.63 | ≤0.035 | — | — | — |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| A192 | 325 | 180 | 35 |
Option 5 of 6
Catalog p.21
Heat-Exchanger & Condenser Tube (ASTM A179)
换热器、冷凝器管
It is used for tubed heat exchanger, condenser and similar heat-conveying equipment.
- Standards
- ASTM A179
- Main grades
- A179
Chemical composition (%)
| Grade | C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V |
|---|---|---|---|---|---|---|---|---|---|---|
| A179 | 0.06~0.18 | — | 0.27~0.63 | ≤0.035 | ≤0.035 | — | — | — | — | — |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| A179 | 325 | 180 | 35 |
Option 6 of 6
Catalog p.29
Boiler & Heat-Exchanger Tube (JIS)
锅炉、换热器用钢管
It is used for boiler and heat exchanger inside & outside tube.
- Standards
- JIS G3461JIS G3462
- Main grades
- STB340STB410STB510STBA12STBA13STBA20STBA22STBA24
Chemical composition (%)
| Grade | C | Si | Mn | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| STB340 | ≤0.18 | ≤0.35 | 0.30~0.60 | ≤0.035 | ≤0.035 | — | — |
| STB410 | ≤0.32 | ≤0.35 | 0.30~0.80 | ≤0.035 | ≤0.035 | — | — |
| STB510 | ≤0.25 | ≤0.35 | 1.00~1.50 | ≤0.035 | ≤0.035 | — | — |
| STBA12 | 0.10~0.20 | 0.10~0.50 | 0.30~0.80 | ≤0.035 | ≤0.035 | — | 0.45~0.65 |
| STBA13 | 0.15~0.25 | 0.10~0.50 | 0.30~0.80 | ≤0.035 | ≤0.035 | — | 0.45~0.65 |
| STBA20 | 0.10~0.20 | 0.10~0.50 | 0.30~0.60 | ≤0.035 | ≤0.035 | 0.50~0.80 | 0.40~0.65 |
| STBA22 | ≤0.15 | ≤0.50 | 0.30~0.60 | ≤0.035 | ≤0.035 | 0.80~1.25 | 0.45~0.65 |
| STBA24 | ≤0.15 | ≤0.50 | 0.30~0.60 | ≤0.030 | ≤0.030 | 1.90~2.60 | 0.87~1.18 |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| STB340 | 340 | 175 | 35 |
| STB410 | 410 | 255 | 25 |
| STB510 | 510 | 295 | 25 |
| STBA12 | 380 | 205 | 30 |
| STBA13 | 410 | 205 | 30 |
| STBA20 | 410 | 205 | 30 |
| STBA22 | 410 | 205 | 30 |
| STBA24 | 410 | 205 | 30 |
05 / ASME SA-335
High-Temperature Alloy Pipe
High-temperature ferritic chrome-moly alloy seamless nominal pipe.
High-temperature alloy steel seamless ferritic nominal pipe; other grades can also be provided after consulting with customers.
- Standards
- ASME SA-335/SA335M
- Main grades
- P1P2P5P5bP5cP9P11P12P21P22P91
Chemical composition (%)
| Grade | C | Si | Mn | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| P1 | 0.10~0.20 | 0.10~0.50 | 0.30~0.80 | ≤0.025 | ≤0.025 | — | 0.44~0.65 |
| P2 | 0.10~0.20 | 0.10~0.30 | 0.30~0.61 | ≤0.025 | ≤0.025 | 0.50~0.81 | 0.44~0.65 |
| P5 | ≤0.15 | ≤0.50 | 0.30~0.60 | ≤0.025 | ≤0.025 | 4.00~6.00 | 0.45~0.65 |
| P5b | ≤0.15 | 1.00~2.00 | 0.30~0.60 | ≤0.025 | ≤0.025 | 4.00~6.00 | 0.45~0.65 |
| P5c | ≤0.12 | ≤0.50 | 0.30~0.60 | ≤0.025 | ≤0.025 | 4.00~6.00 | 0.45~0.65 |
| P9 | ≤0.15 | 0.50~1.00 | 0.30~0.60 | ≤0.025 | ≤0.025 | 8.00~10.00 | 0.90~1.10 |
| P11 | 0.05~0.15 | 0.50~1.00 | 0.30~0.60 | ≤0.025 | ≤0.025 | 1.00~1.50 | 0.44~0.65 |
| P12 | 0.05~0.15 | ≤0.50 | 0.30~0.61 | ≤0.025 | ≤0.025 | 0.80~1.25 | 0.44~0.65 |
| P21 | 0.05~0.15 | ≤0.50 | 0.30~0.60 | ≤0.025 | ≤0.025 | 2.65~3.35 | 0.80~1.06 |
| P22 | 0.05~0.15 | ≤0.50 | 0.30~0.60 | ≤0.025 | ≤0.025 | 1.90~2.60 | 0.87~1.13 |
| P91 | 0.08~0.12 | 0.20~0.50 | 0.30~0.60 | ≤0.020 | ≤0.010 | 8.00~9.50 | 0.85~1.05 |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| P1 | 380 | 205 | 30 |
| P2 | 380 | 205 | 30 |
| P5 / P5b / P5c | 415 | 205 | 30 |
| P9 | 415 | 205 | 30 |
| P11 | 415 | 205 | 30 |
| P12 | 415 | 220 | 30 |
| P21 | 415 | 205 | 30 |
| P22 | 415 | 205 | 30 |
| P91 | 585 | 415 | 20 |
06 / ASME SA-333 / SA-334
Low-Temperature Pipe
Seamless and welded steel and alloy steel pipe for low-temperature service.
2 options — tap a button to switch
Option 1 of 2
Catalog p.24
Low-Temperature Steel Pipe (ASME SA-333)
低温用无缝和焊接钢管
Seamless and welded steel pipe at low temperature.
- Standards
- ASME SA-333/SA333M
- Main grades
- Gr.1Gr.3Gr.4Gr.6Gr.7Gr.8Gr.9Gr.10Gr.11
Chemical composition (%)
| Grade | C | Mn | P | S | Si | Ni | Cr | Cu | Al | V | Nb | Mo | Co |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gr.1 | ≤0.30 | 0.40~1.06 | ≤0.025 | ≤0.025 | — | — | — | — | — | — | — | — | — |
| Gr.3 | ≤0.19 | 0.31~0.64 | ≤0.025 | ≤0.025 | 0.18~0.37 | 3.18~3.82 | — | — | — | — | — | — | — |
| Gr.4 | ≤0.12 | 0.50~1.05 | ≤0.025 | ≤0.025 | 0.18~0.37 | 0.47~0.98 | 0.44~1.01 | 0.40~0.75 | 0.04~0.30 | — | — | — | — |
| Gr.6 | ≤0.30 | 0.29~1.06 | ≤0.025 | ≤0.025 | ≥0.10 | — | — | — | — | — | — | — | — |
| Gr.7 | ≤0.19 | ≤0.90 | ≤0.025 | ≤0.025 | 0.13~0.32 | 2.03~2.57 | — | — | — | — | — | — | — |
| Gr.8 | ≤0.13 | ≤0.90 | ≤0.025 | ≤0.025 | 0.13~0.32 | 8.40~9.60 | — | — | — | — | — | — | — |
| Gr.9 | ≤0.20 | 0.40~1.06 | ≤0.025 | ≤0.025 | — | 1.60~2.24 | — | — | — | — | — | — | — |
| Gr.10 | ≤0.20 | 1.15~1.50 | ≤0.035 | ≤0.015 | 0.10~0.35 | ≤0.25 | ≤0.15 | 0.75~1.25 | ≤0.06 | ≤0.12 | ≤0.05 | ≤0.05 | — |
| Gr.11 | ≤0.10 | ≤0.60 | ≤0.025 | ≤0.025 | ≤0.35 | 35.0~37.0 | ≤0.50 | ≤0.15 | — | — | — | ≤0.50 | ≤0.50 |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) | Impact (J) | Test temp (°C) |
|---|---|---|---|---|---|
| Gr.1 | 380 | 205 | 35 | 18 | -45 |
| Gr.3 | 450 | 240 | 30 | 18 | -100 |
| Gr.4 | 415 | 240 | 30 | 18 | -100 |
| Gr.6 | 415 | 240 | 30 | 18 | -45 |
| Gr.7 | 450 | 240 | 30 | 18 | -75 |
| Gr.8 | 690 | 515 | 22 | — | -195 |
| Gr.9 | 435 | 315 | 28 | 18 | -75 |
| Gr.10 | 550 | 450 | 22 | 18 | -160 |
| Gr.11 | 450 | 240 | 18 | — | — |
Option 2 of 2
Catalog p.25
Low-Temperature Carbon & Alloy Steel Pipe (ASME SA-334)
低温用无缝和焊接的碳钢和合金钢管
Seamless and welded steel and alloy steel pipe at low temperature.
- Standards
- ASME SA-334/SA334M
- Main grades
- Gr.1Gr.3Gr.6Gr.7Gr.8Gr.9Gr.11
Chemical composition (%)
| Grade | C | Mn | P | S | Si | Ni | Cr | Cu | Al | V | Nb | Mo | Co |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gr.1 | ≤0.30 | 0.40~1.06 | ≤0.025 | ≤0.025 | — | — | — | — | — | — | — | — | — |
| Gr.3 | ≤0.19 | 0.31~0.64 | ≤0.025 | ≤0.025 | 0.18~0.37 | 3.18~3.82 | — | — | — | — | — | — | — |
| Gr.6 | ≤0.30 | 0.29~1.06 | ≤0.025 | ≤0.025 | ≥0.10 | — | — | — | — | — | — | — | — |
| Gr.7 | ≤0.19 | ≤0.90 | ≤0.025 | ≤0.025 | 0.13~0.32 | 2.03~2.57 | — | — | — | — | — | — | — |
| Gr.8 | ≤0.13 | ≤0.90 | ≤0.025 | ≤0.025 | 0.13~0.32 | 8.40~9.60 | — | — | — | — | — | — | — |
| Gr.9 | ≤0.20 | 0.40~1.06 | ≤0.025 | ≤0.025 | — | 1.60~2.24 | — | 0.75~1.25 | — | — | — | — | — |
| Gr.11 | ≤0.10 | ≤0.60 | ≤0.025 | ≤0.025 | ≤0.35 | 35.0~37.0 | ≤0.50 | — | — | — | — | ≤0.50 | ≤0.50 |
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) | Impact (J) | Test temp (°C) |
|---|---|---|---|---|---|
| Gr.1 | 380 | 205 | 35 | 18 | -45 |
| Gr.3 | 450 | 240 | 30 | 18 | -100 |
| Gr.6 | 415 | 240 | 30 | 18 | -45 |
| Gr.7 | 450 | 240 | 30 | 18 | -75 |
| Gr.8 | 690 | 515 | 22 | — | -195 |
| Gr.9 | 435 | 315 | 28 | 18 | -75 |
| Gr.11 | 450 | 240 | 18 | — | — |
07 / 09MnD / 09MnNiD
Special Alloy Steel Pipe
Alloy steel pipe for low-temperature pressure vessels.
It is used for low-temperature pressure vessels.
- Standards
- GB/T 150.2-2011
- Main grades
- Q345CQ345DQ345E09MnD09MnNiD
Mechanical properties
| Grade | Rm (MPa) | ReL (MPa) | A % | Impact temp °C | Kv (J) |
|---|---|---|---|---|---|
| Q345C | 470–630 | ≥345 | ≥21 | 0 | ≥34 |
| Q345D | 470–630 | ≥345 | ≥21 | -20 | ≥34 |
| Q345E | 470–630 | ≥345 | ≥21 | -40 | ≥34 |
| 09MnD | 400–540 | ≥240 | ≥26 | -40 | ≥47 |
| 09MnNiD | 440–580 | ≥280 | ≥24 | -70 | ≥47 |
08 / ASTM A312 / GB
Stainless Steel Pipe
Corrosion-resistant stainless pipe to ASTM and GB standards.
2 options — tap a button to switch
Option 1 of 2
Catalog p.23
Stainless Steel Pipe (ASTM A312 / A269)
不锈钢管
ASTM A269 is used for general corrosive and low- or high-temperature condition service. ASTM A312 is used for high-temperature and general corrosive condition service.
- Standards
- ASTM A312/A312MASTM A269
- Main grades
- TP304TP304LTP321TP316TP316LTP347TP347H
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| TP304 | 515 | 205 | 35 |
| TP304L | 485 | 170 | 35 |
| TP316 | 515 | 205 | 35 |
| TP316L | 485 | 170 | 35 |
| TP321 | 515 | 205 | 35 |
| TP347 | 515 | 205 | 35 |
| TP347H | 515 | 205 | 35 |
Option 2 of 2
Catalog p.35
Stainless Steel Pipe (GB)
不锈钢管
For manufacture of mechanical structure, fluid tubes, superheaters of boiler, heat exchangers, condenser and catalytic tubes.
- Standards
- GB/T 14975GB/T 14976GB 13296
- Main grades
- 06Cr19Ni10 (S30408)06Cr25Ni20 (S31008)06Cr18Ni11Ti (S32168)022Cr17Ni12Mo2 (S31603)06CrHTNi12Mo2Ti (S31168)Cr18Ni9Ti
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| 06Cr19Ni10 | 520 | 205 | 35 |
| 06Cr25Ni20 | 520 | 205 | 35 |
| 06Cr18Ni11Ti | 520 | 205 | 35 |
| 022Cr17Ni12Mo2 | 480 | 175 | 40 |
| 06CrHTNi12Mo2Ti | 530 | 205 | 35 |
| Cr18Ni9Ti | 550 | 205 | 35 |
09 / EN / A519 / JIS
Mechanical & Engineering Tube
Seamless circular tube and hollow sections for mechanical, automotive and general engineering use.
5 options — tap a button to switch
Option 1 of 5
Catalog p.15
Mechanical Tube — Non-Alloy (EN 10297-1)
机械和通用工程用途的无缝圆形钢管（非合金钢管）
Seamless circular steel tubes for mechanical and general engineering purposes — non-alloy steel tube.
- Standards
- EN 10297-1
- Main grades
- E235E275E315E355E470C22EC35EC45EC60E38Mn6
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| E235 | 360–510 | 235 | 25 |
| E275 | 410–560 | 275 | 22 |
| E315 | 450–600 | 315 | 21 |
| E355 | 490–630 | 355 | 20 |
| E470 | 650 | 470 | 17 |
| C22E | 410 | 240 | 25 |
| C35E | 550 | 300 | 19 |
| C45E | 620 | 340 | 16 |
| C60E | 710 | 390 | 11 |
Option 2 of 5
Catalog p.16
Mechanical Tube — Alloy (EN 10297-1)
机械和通用工程用途的无缝圆形钢管（合金钢管）
Seamless circular steel tubes for mechanical and general engineering purposes — alloy steel tube.
- Standards
- EN 10297-1
- Main grades
- E275K2E355K2E420J2E460K2E590K2E730K241Cr425CrMo430CrMo434CrMo442CrMo436CrNiMo430CrNiMo841NiCrMo7-3-2
Option 3 of 5
Catalog p.17
Structural Hollow Sections (EN 10210-1)
非合金结构钢和细晶粒结构钢制热成型空心型材
Hot-finished structural hollow sections of non-alloy and fine-grain steels.
- Standards
- EN 10210-1
- Main grades
- S235JRHS275J0HS275J2HS355J0HS355J2HS355K2H
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| S235JRH | 360–510 | 235 | 26 |
| S275J0H | 410–560 | 275 | 23 |
| S275J2H | 410–560 | 275 | 23 |
| S355J0H | 510–680 | 355 | 22 |
| S355J2H | 510–680 | 355 | 22 |
| S355K2H | 510–680 | 355 | 22 |
Option 4 of 5
Catalog p.19
Tube for Mechanical Structure (ASTM A519)
机械结构管
It is used for machine, automobile and other mechanical accessory purposes.
- Standards
- ASTM A519SAE
- Main grades
- MT1010MT1015MTX1015MT1020MTX10201008–1050151815241527154141184130413541374140
Option 5 of 5
Catalog p.28
Mechanical Tube (JIS G3445)
机械管
It is used for machinery, automobile, bicycle, furniture and components for other machines.
- Standards
- JIS G3445
- Main grades
- STKM11ASTKM12 (A/B/C)STKM13 (A/B/C)STKM14 (A/B/C)
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| STKM11A | 290 | — | 35 |
| STKM12A | 340 | 175 | 35 |
| STKM12B | 390 | 275 | 25 |
| STKM12C | 470 | 355 | 20 |
| STKM13A | 370 | 215 | 30 |
| STKM13B | 440 | 305 | 20 |
| STKM13C | 510 | 380 | 15 |
| STKM14A | 410 | 245 | 25 |
| STKM14B | 500 | 355 | 15 |
| STKM14C | 550 | 410 | 15 |
10 / GB/T 3639
Precision Cold-Drawn Tube
Cold-drawn / cold-rolled precision tube for mechanical and hydraulic use.
For manufacture of mechanical structure, hydraulic pressure equipment, hydraulic pressure and cylinder.
- Standards
- GB/T 3639GB/T 8713
- Main grades
- 10203545
What we can do
- Delivery condition: BK / BKW / BKS / NBK
- Chemical composition per the corresponding national or foreign standard
11 / GB/T 17396
Hydraulic Pillar Tube
Seamless tube for coal-mine hydraulic supports and pillars.
It is used for hydraulic pillars for manufacturing colliery.
- Standards
- GB/T 17396GB 8713
- Main grades
- 20354527SiMn
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) | Hardness (HB) |
|---|---|---|---|---|
| 45 | 600 | 355 | 16 | ≤197 |
| 27SiMn | 980 | 835 | 12 | ≤217 |
12 / JIS G3429 / GB 18248
Gas Cylinder Tube
Seamless tube for high-pressure gas cylinders.
2 options — tap a button to switch
Option 1 of 2
Catalog p.28
High-Pressure Gas Cylinder Tube (JIS G3429)
高压容器、气瓶管
It is used to manufacture high-pressure gas cylinder.
- Standards
- JIS G3429
- Main grades
- STH11STH12STH21STH22STH31
Option 2 of 2
Catalog p.36
Gas Cylinder Tube (GB 18248)
气瓶管
It is used for manufacturing high-pressure gas cylinder.
- Standards
- GB 18248
- Main grades
- 37Mn34Mn2V30CrMo35CrMo34CrMo4
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) | Impact Ku2 (J) |
|---|---|---|---|---|
| 37Mn | 750 | 630 | 16 | 55 |
| 34Mn2V | 745 | 530 | 16 | 55 |
| 30CrMo | 930 | 785 | 12 | 63 |
| 35CrMo | 980 | 835 | 12 | 63 |
| 34CrMo4 | 980 | 835 | 12 | 27 |
13 / CCS / ABS / DNV
Ship & Marine Pipe
Class-society-approved tube for ship boilers, superheaters and pressure piping.
For manufacture of boilers, superheaters for ships, and Class I/II/III pressure system pipelines, liquefied petroleum and bulk chemicals.
- Standards
- CCSLRBVABSDNVNKKRRINARS
- Main grades
- 32036041046000Cr17Ni14Mo20Cr18Ni9Ti
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| 320 | 320–440 | 195 | 25 |
| 360 | 360–480 | 215 | 24 |
| 410 | 410–530 | 235 | 22 |
| 460 | 460–580 | 265 | 21 |
| 00Cr17Ni14Mo2 | ≥480 | ≥175 | ≥35 |
| 0Cr18Ni9Ti | ≥520 | ≥205 | ≥35 |
14 / GB/T 8162 / 5216
Automobile Tube
Seamless tube for vehicle axles, housings, gears and shafts.
2 options — tap a button to switch
Option 1 of 2
Catalog p.38
Axle / Housing Tube (GB/T 8162)
汽车车轴、车桥、轴套管
It is used for manufacturing auto axle and auto axle bush.
- Standards
- GB/T 8162YB/T 5035SAEEN 10305
- Main grades
- 20Mn2SAE15274545Mn2Sa41035E35526mnB534mnB541304140
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| 20Mn2 | 785 | 590 | 10 |
| SAE1527 | 785 | 635 | 10 |
| 45 | 590 | 335 | 14 |
| 45Mn2 | 885 | 735 | 10 |
Option 2 of 2
Catalog p.39
Gear / Gear-Shaft Tube (GB/T 5216)
汽车齿轮、齿轴用钢管材料
It is used for automobile gear and gear-shaft processing material.
- Standards
- GB/T 5216JIS G4052ASTM A304EN 10084
- Main grades
- 20CrMnTiH20CrMoHSCM420HSCMB22HSAE8620H16–20MnCr5
15 / GB/T 24591
Feedwater Heater Tube
Seamless tube for high-pressure feedwater heaters in thermal power units.
A high-pressure feedwater heater is a heat-transfer device for the regenerative system of large thermal power units; its heat-transfer performance directly affects the economy and security of the unit.
- Standards
- GB/T 24591-2019
- Main grades
- U50206U50208A65158A30158A30128S30408S30458
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) | HRBW | HV |
|---|---|---|---|---|---|
| U50206 | 410 | 245 | 30 | 84 | 160 |
| U50208 | 480 | 280 | 30 | 87 | 170 |
| A65158 | 450 | 280 | 30 | 89 | 180 |
| A30158 | 440 | 295 | 30 | 89 | 180 |
| A30128 | 450 | 280 | 30 | 89 | 180 |
| S30408 | 520 | 205 | 35 | 90 | 200 |
| S30458 | 550 | 240 | 35 | 95 | 220 |
16 / Finned
Finned Tube
Base tube for energy-saving air coolers and heat exchangers in petrochemical and power industries.
Finned tubes are applicable to energy-saving air coolers and heat-exchanger processing and production, serving petrochemical, power-plant and other industries.
Extruded finned tube
1 / 6
- Standards
- GB 9948 / 6479ASME SA179 / SA213 / SA334 / SA335DIN 17175EN 10216
- Main grades
- 10#20#16Mn20Mn15CrMoG12Cr2MoG12Cr5MoG12Cr9MoGT1T1aT11T12T22T5T9
What we can do
- Types: extruded, spiral-wound, embedded, welded, elliptical, longitudinal fin
- Used in flue-gas treatment, economizers, power-plant & waste-heat boilers, air heaters
17 / 09CuPCrNi
Weathering Steel Tube
Atmospheric corrosion-resistant tube for outdoor exposure.
Atmospheric corrosion-resistant weathering steel tube.
- Standards
- 09CuPCrNi
- Main grades
- 09CuPCrNi
What we can do
- Field corrosion test: 375 m from coastline, 24-month exposure, 50 µm/a corrosion rate
18 / 07Cr2AlMo / 10HSC / ND
Corrosion-Resistant Special Pipe
Special pipe for sulfur, hydrogen-sulfide and sulfuric-acid dew-point corrosion.
3 options — tap a button to switch
Option 1 of 3
Catalog p.30
Sulfur (S, H₂S) Corrosion-Resistant Pipe (07Cr2AlMo)
抗硫（S、H₂S）腐蚀专用管
It is used for the special pipes for pressure vessels in the condition of H₂S and Cl⁻ stress corrosion.
- Standards
- Q/TDGG0036-2003
- Main grades
- 07Cr2AlMo
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| 07Cr2AlMo | 380–530 | ≥220 | ≥25 |
Option 2 of 3
Catalog p.30
Hydrogen-Sulfide-Resistant Carbon Steel Pipe (10HSC)
抗硫化氢腐蚀碳素钢管
It is used for pressure-vessel tube bundles in wet hydrogen-sulfide environments.
- Standards
- NB/T 47019-2021
- Main grades
- 10 (HSC)
Option 3 of 3
Catalog p.32
Sulfuric-Acid Dew-Point Corrosion-Resistant Pipe (09CrCuSb / ND steel)
耐硫酸露点腐蚀专用管
Widely applied in power and refinery industries for coal-saving machines, air-warm-up machines, heat exchangers and evaporators, resisting corrosion of sulfured smoke and gas.
- Standards
- GB/T 150.2-2011
- Main grades
- 09CrCuSb
Mechanical properties
| Grade | Tensile (MPa) | Yield (MPa) | Elong (%) |
|---|---|---|---|
| 09CrCuSb | 390–550 | ≥245 | ≥25 |
19 / U-tube / corrugated / scaling
Special-Shape & Heat-Exchanger Tube
U-bend, corrugated / helical-groove and scaling (converging-diverging) enhanced heat-transfer tubes.
3 options — tap a button to switch
Option 1 of 3
Catalog p.31
U-Shaped Tube for Tube-Bundle Heat Exchanger
换热器管束用 U 型无缝钢管
For heat exchangers of low/medium/high-pressure boilers and the petrochemical industry.
- Standards
- TD/GG2025
- Main grades
- 102020G15CrMoG12Cr1MoVG07Cr2AlMo09CrMoAl1Cr18Ni9Ti0Cr18Ni9
Option 2 of 3
Catalog p.31
Corrugated & Helical-Groove Tube
换热器用波纹管、螺旋槽管
For heat exchangers of the petrochemical industry.
- Standards
- TD/GG2026
- Main grades
- 102020G1Cr18Ni9Ti0Cr18Ni909CrMoAl07Cr2AlMo
Option 3 of 3
Catalog p.31
Scaling (Converging-Diverging) Tube
缩放管
A converging-diverging enhanced heat-transfer tube; fluid disturbance in the converging/diverging sections improves heat transfer. Widely used in sulfuric-acid and petrochemical service.
- Standards
- Enterprise standard
20 / Groove
Groove Pipe
Rolled/cut groove-end pipe for fast mechanical (coupling) connections.
Ditch-groove connection is a new connecting method for pipes, with simple operation, safe construction and no change to the pipe original feature; mainly applied in city wastewater engineering and firefighting equipment service.
- Standards
- Rolling groove dimensional spec
What we can do
- Available with rolled groove (簧式滚槽) and cut groove (簧式割槽)
- Outer diameter ¾″–12″ (26.9–323.9 mm) per rolling-groove size table
Seamless pipe sourcing
Tell us your standard and grade.
Send standard, grade, OD, wall thickness, length, and quantity. Our sales engineers reply within one business day with availability, lead time, and a firm quote.