Tube Sheet:Standard: ANSI B16.5, ANSI B16.47 Series A & B, ANSI B16.48, API 605, API 16D, API 17D, BS4504, BS3293, DN, AS, JIS Material: Stainless Steel: ASTM A182 F304/304L, F316/316L, F316H, F316Ti, F321, F44(UNS S31254) Alloy Steel: ASTM A182 F1, F5/a, F9, F11, F12, F22, F91 Duplex&Super...