Standard

API Spec 5L PSL1,PSL2,ASTM A106/ASTMA53,ASTMA252 
ASTM A179, ASTM A192, ASTM A209, ASTM A210, ASTM A213, ASTM A335, EN 10216-2, DIN 17175 etc.GB/T8163-1999  GB/T3087-1999  GB/T5310-1995

Material

10# /20# /45# , H40 /J55 / K55 /N80/P110
ASTM A213 T11/T12/T22/T5/T9 ,ASTM A335 P11/ P12/P22/P5/ P9,
SA53/SA106/SA179/SA192 etc.

OD

1/8”-24” (10.3mm-609.6mm)

WT

0.049”-2.5” (1.24mm-63.5mm)

Length

Random Length, Fixed Length(5.8m,6m,10-12m), SRL, DRL

Steel Grade

A25, A25P, GR.B, X42, X46, X52, X56, X65, X70

Forming

Hot rolled, cold drawn, cold rolled

Heat treatment

Annealed, Bright annealed, Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered.

Test

Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Blow Test, Impact Test, DWT test),Exterior Size Inspection, Hydrostatic Test, X-ray Test, UT test.

Packing

Black coating, bitumen coating, FBE, 3PE, 3PP, thermal insulation coated. Fiber glass coated, Epoxy

The third party inspection

API/ISO quality system, SGS, DNV, BV, Moody third party inspection

Clients

SINOPEC ,CNOOC,CNPC,NNPC,INPC,PDVSA,CEPSA,ect.