... -75mm LT:8-15mm certificate:API 5L ISO9001-2008 1 inch stainless steel pipeOD:16-1200mm TW:2.5-75mmLT:8-15mmcertificate ... advanced inspection skills.Product range: various sizes of stainless steel, alloy steel, carbon steel flange, elbow, tee, reducer, pipe cap, big bend, and ... , under high and medium-pressure, and international and domestic standards. 1 inch stainless steel pipe