api 5l psl1 x42 seamless pipelines
API 5L X42 Steel Pipe Specification in PSL1, PSL2 and Sour Specification. Octal offers API 5L X42/L290 steel pipe in welded ERW and HFW, LSAW and seamless. Product Specification in PSL1 and PSL2, sizes from general 4”, 6”, 8”, 10”, 12”, 16”, 20” and up to 40 inch.. API 5L X42 Pipe Specification. API SEPCS 5L X42 steel line pipe is a higher grade than API 5L B welded applied in oil and gas pipeline systems.