ASTM A312/A312M
ASTM A312/A312M - 22a en. 1.1 This specification2 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. 1.2 Grades TP304H, TP309H, TP309HCb, TP310H, TP310HCb, TP316H, TP3.