... of our products are as follows:Main material Stainless steel ASTM A 182, ANSI 304, 304L, 304H, 304LN, 309S, 309H, 309Cb, 309HCb ... , 347H, 347LN, 348, 348H, 904, 904L etc.Carbon steel ASTM A 105, ASTM A 350 LF1, LF2 CL1/CL2, LF3 CL 1/CL2Alloy SteelASTM ... , F11, F12, F22, F91Duplex stainless steelDuplex 2205 UNS S31803/S32205 ASTM A 182 F51 318LN DIN 1.4462 SAF2205 SA182 F51Super duplex ...