API Spec 5L PSL2 is the product specification level in the steel pipe standard for pipeline transportation systems formulated by the American Petroleum Institut

API Spec 5L PSL1 is a grade in the steel pipe standard established by the American Petroleum Institute for pipeline transportation systems. This standard aims t

GB713GB/T 713 "Steel plates and steel strips for pressure-bearing equipment" is a standard that aims to regulate the steel plates and steel strips for pressure-

ASTM A302 is a standard for manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates for welded boilers and other pressure vessels. The standard