... and material specifications based upon the requirements of the clients.Stainless Steel : ASTM A 182, A 240Grade : F 304, 304L, 304H, ... 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750 Carbon Steel : ASTM A 105, ASTM A 181Alloy ... : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.StandardANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16 ...