ASTM A312/A312M-19 pdf free download. Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes.PS:ASTM A312/A312M-19 replaced ASTM A312/A312M-16. ASTM A312/A312M-19 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe...