Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.
ASTM/ASME and API Specification
Product Name |
Executive |
Dimension |
Steel Code/ |
Specification for casing and Tubing |
API 5CT |
φ26.67~168×2.17~12.06 |
J55,N80 |
Specification for line pipe |
API 5L |
φ10.3~610×1.7~40 |
A,B |
Black and Hot-Dipped Zinc-Coated Steel Pipe, Welded and Seamless |
ASTM A53 |
φ10.3~426×1.0~36 |
A,B |
Seamless Carbon Steel for High Temperature Service |
ASTM A106 |
φ10.3~426×1.0~36 |
A,B |
Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes |
ASTM A179 |
φ10.3~426×1.0~36 |
Low Carbon Steel |
Seamless Carbon Steel Boiler Tubes for High Pressure |
ASTM A192 |
φ10.3~426×1.0~36 |
Low Carbon Steel |
Seamless Cold-Drawn Internediate Alloy Steel Heat-Exchanger and Condenser Tubes |
ASTM A199 |
φ10.3~426×1.0~36 |
T5,T22 |
Seamless Medium-Carbon Steel Boiler and Superheater Tubes |
ASTM A210 |
φ10.3~426×1.0~36 |
A1,C |
Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes |
ASTM A213 |
φ10.3~426×1.0~36 |
T2, T5, T11, T22 |
Seamless Carbon and alloy steel for mechanical Tubing |
ASTM A519 |
φ10.3~426×1.0~36 |
Carbon Steel, |
Seamless Cold-Drawn Carbon Steel Feed water Heater Tubes |
ASTM A556 |
φ10.3~426×1.0~36 |
A2,B2 |
Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
ASTM A335 |
φ21.3~762×1.0~80 |
P1, P2, P5, P11, P12 P22, P91 |
DIN Specification
Product Name |
Executive standard |
Specification |
Steel Code /Steel Grade |
Seamless Steel Tube for Elevated Temperature |
DIN17175 |
φ16~426×1.0~36 |
St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44 |
Cold Drawn Seamless Precision Pipe |
DIN2391 |
φ16~426×1.0~36 |
St35,St45,St52 |
Seamless Steel pipe for Structural purpose |
DIN2393 |
φ16~426×1.0~36 |
RSt34-2,RSt37-2, RSt44-2,St52 |
Seamless Steel Tube |
DIN2448/1629/1630 |
φ16~426×1.0~36 |
St37/St37.4, St44/St44.4, St52/St52.4 |
BS Specification
Product Name |
Executive |
Dimension |
Steel Code/Steel Grade |
Seamless Steel Tubes for Machine Structural |
BS970 |
φ10~426×1.0~36 |
Carbon Steel |
Seamless Steel Tubes for Boiler and Heat Exchangers |
BS3059 |
φ10~426×1.0~36 |
360,410,460,480,490 |
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Seamless steel pipe
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- OCTG pipe
- Mechanical steel pipe
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- black steel pipe
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Welded steel pipe
Special steel pipe
Pipes
Pipe Fittings
3 Comments
Hot Rolled Carbon Boiler Pipe SCH 40.
API 5CT Steel Tube,10#,20#,45#,API N80, API 5L seamless steel tube,OD 25-325mm OD 4-70mm Certificates: API5L,ISO, Payment terms: L/C or T/T. Length:1~15m.
Q195 Q235 Steel Pipe,steel pipe welded steel pipe Thickness: 1.5mm - 4.5mm steel pipe Diameter: 20.00mm - 273.00mm Q235 & Q195 .
Cold drawn steel tube Size: OD- 1/8"--3" WT: SCH10s-SCh160 Type: Seamless Delivery Condition: Anti-Oxdation Application: General structure and mechanical purpose Standard: GB/T 8162-2008 Grade of Steel: 10, 20, 35, 45, 40MnZ, 20Cr.
Hot Dip Galvanized Steel Pipe,Outer diameter: 20 ~ 219mm. 2) Wall thickness: 1.0~ 12mm 3) Spec.: Q195, Q215, Q235, Q345 .
Boiler Tubes ASTM A179 Thchnique: Cold-drawn Size: 8-89*1.5-12mm Type: Seamless .