Junk Mills
Line pipes
Standard: According to API Spec 5L standard.
Use: Used as oxygen, water, and oil delivery pipe in oil and natural gas industry
Steel grade:
•PSL1: A25,A,B,X42,X46,X52,X56,X60,X65,X70
•PSL2: B,X42,X46,X52,X56,X60,X65,X70,X80
Type: Seamless line pipe
Weld pipe(SAW and ERW)
Size:
Wall thickness: 2.77mm ~ 18.26mm
Seamless line pipe OD ≤13 3/8”
Weld pipe line pipe OD≥13 3/8”
Length: R1/R2/R3
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
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