Detailed Product Description

---Linepipe

Standard:
API SPEC 5L——API Standard
GB/T9711.2——CNS

Usage:
Used as oxygen, water, and oil delivery pipe in oil and natural gas industry.

Main Steel Grade:
B X42 X52 X60 X65 X70

Dimension Tolerance:
Steel Pipe Specification Steel Pipe Outside Diameter(D) Steel Pipe Wall Thickness(S)
Pipe Body Steel Pipe Outside Diameter (mm) Allowable deviation (mm) Steel Pipe Outside Diameter (mm) Allowable Deviation (mm)
=60.3andS<20 ±0.75% =73.0 +15%,-12.5%
=60.3andS=20 ±1.00% >73.0andS<20 +15%,-12.5%
>73.0andS=20 +17.5%,-10

Mechanical Property:
Standard Model Tensile Strength(MPa) Yield Strength(MPa) Yield Strength
Ratio Tensile Stretch(%) Ballistic Work
Akv(J) Heat Treatment
State
API SPEC 5L
GB/T9711.2 B =415 245~440 =0.80 22 =40 normalizing
X42 =415 290~440 =0.80 21 =40 normalizing
X52 =460 360~510 =0.85 20 =40 normalizing
X60 =520 415~565 =0.85 18 =40 normalizing
X65 =535 450~570 =0.90 18 =40 quencher backfire
X70