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Origin |
China |
Model Number |
Spiral Steel Pipe(SSAW) |
Brand Name |
Zhonghai |
Grade |
A53,A106,A179,A192,J55,K55,N80,ST35.8,ST37,ST42,ST52,E235,E355,S235JRH,S275JR,S355JOH,P235TR1,10#,20#,45#,Q235,Q345 |
Length |
5.8 meters for 20' container, 6 meters to 12 meters for 40' container |
Outer Diameter |
6''(168.3mm) to 114''(3660mm) |
Specification |
ASTM,DIN,EN,JIS,BS,API,GB |
Technique |
Welded |
Thickness |
SCH5(0.28mm) to XXS(59.54mm) |
Usage |
Petroleum,natural gas,pipeline transportation and the big construction item |
Certification |
ISO9001-2000,CE,API 5L |
Third Party Inspect |
BV,CE,SGS,Lloyds,DNV,CCS |
Standards |
Outer Diameter Tolerance |
Thickness Tolerance |
GB/T |
D<50 |
±0.50mm |
S<4mm |
±12.5% |
D≥50 |
±1% |
4-20mm |
+158-12.5% |
S≥20mm |
±12.5% |
DIN |
D50 |
±0.50mm |
S2Sn |
+158-10% |
D48.3D48.3 |
±1% |
2SnS4Sn |
+12.5/-10% |
S4Sn |
±9% |
ASTM A53 |
D<48.3 |
±0.4/-0.79mm |
±12.5% |
D≥48.3 |
±1% |
ASTM A106 |
D<48.3 |
±0.4/-0.79mm |
±12.5% |
D48.3-114.3 |
±0.79mm |
D≥114.3 |
±1.59/-0.79mm |