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Application:
5L – Conveying gas, water, and oil in both the oil and natural industries
5CT – Tubular goods for petroleum and natural gas industries
Production Standard and Steel Grade:
API 5L PSL 1 (A25、A、B、X42、X46、X52、X56、X60、X65、X70)
PSL 2(B、X42、X46、X52、X56、X60、X65、X70、X80)
API 5CT H40、J55、K55、N80、M65、L80、C90、T95、P110、Q125
Inspection and Tests Performed:
5L – Chemical composition, Mechanical properties, Hydrostatic test, Dimensional testing, Visual inspection, Nondestructive inspection
5CT – Chemical composition, Tensile test, Flattening test, Hardness test, Impact test, Grain size determination, Harden ability, Sulfide stress-cracking test, Hydrostatic test, Dimensional testing, Visual inspection, Non-destructive examination(NDE)
Surface Treatment:
5L – Uncoated(bare), Temporary coating, Special coating
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