Line pipe grade covered by this specification are A25 ,A ,B (and the following "X" Grades), X42, X46, X52, X56, X60, X65, X70, X80. The two digit number following the "X" indicates the Minimum Yield Strength (in 000's psi) of pipe produced to this grade.
API Seamless line Pipe
1. Grades covered by this specification are A25 ,A ,B (and the following "X" Grades), X42, X46, X52, X56, X60, X65, X70, X80. The two digit number following the "X" indicates the Minimum Yield Strength (in 000's psi) of pipe produced to this grade.
API 5L PSL2 NACE MR 0175 seamless line Pipe is one of our most professional products. The production capacity is 100 thousand tons annually. It is sold well at home and abroad. SMLS is short for seamless steel pipe.
Seamless steel pipe for sour service according to NACE MR 0175It is especially used for the environment of sour service. to anti the corrosion of H2S.API 5L PSL2 NACE MR 0175 SMLS is used to resist acid when transporting liquid, oil, gas, etc. The hardness is less than 22HRD.
2. Applicable Standard and Specification
API 5L 45eddition Standard specification for seamless line pipe
ISO 3083 Seamless line pipe
ASTM E213 Standard Practice for Ultrasonic Testing of Metal Pipe and Tubing
ASME B16.25Buttwelding ends
EN10204Metallic products-Types of inspection documents
ASTM E92Standard Test Method for Vickers Hardness of Metallic Materials
ASTM E18Standard Test Method for Rockwell Hardness of Metallic Materials
ISO6508Metallic materials—— Rockwell hardness test
ISO6507Metallic materials—— Vickers hardness tes
API SPEC 5L new edition PSL1,PSL2, NACE MR 0175/ISO3183
Random Length, Fixed Length, SRL, DRL
Rolling: BR, X42R
Normalized: BN, X42N~X60N
Quenched & Tempered: BQ~X60Q
Hot rolled, cold drawn, cold rolled
Annealed, Bright annealed, Spheroidize annealed, Normalized, Stress relieved, Cold finished, Quenched and Tempered.
Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Blow Test, Impact Test),Exterior Size Inspection, Hydrostatic Test, X-ray Test, UT test, HIC/SWC, SSC
Black coating, bitumen coating, FBE, 3PE, 3PP, thermal insulation coated. Fiber glass coated, Epoxy
API/ISO quality system, SGS, DNV, BV, Moody third party inspection welcomed.