Flanges

“A flange is a forged or cast ring of steel designed to connect mechanical sections of pipe or join pipe to a pressure vessel, pump, valve or any other piece of equipment.”
Usually flanges are welded or threaded, and two flanges are joined to each other by bolting together them with gaskets to provide a seal. It provides an easy access to the piping system in case of cleaning, modification, and inspections.

RANGE

SCH

TYPES

 TYPE

STANDARDS

GRADE

1/4”-72” 5, 10, 20, 30, STD, 40, XS, 60, 80, 100, 120, XX,140, 160, XXS, 160 Carbon Steel RF, FF, RTJ A105N, A350, A694 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70
A516.60, 65, 70
12”- 48” 10, 20, 30, STD, 40, XS, 60, 80, 100, 120, XX,140, 160, XXS, 160 Carbon Steel RF, FF, RTJ A707 L3 CL3, L5 CL3
1/2"-48” 5, 10, 20, 30, STD, 40, XS, 60, 80, 100, 120, XX,140, 160, XXS, 160    Alloy Steel RF, FF, RTJ A182 F1, F5, F9, F11, F12, F22, F91
1/2”-60” 5S, 10S, 40S, 80S    Stainless Steel RF, FF, RTJ A182 F304/304L, F316/316L, F317/317L, F316H, F316TI, F310, F321, F347
1/2”-24” 5S, 10S, 40S, 80S Duplex Steel RF, FF, RTJ A182 UNS S31803, UNS S32205
1/2”-24” 5S, 10S, 40S, 80S Super Duplex Steel RF, FF, RTJ A182 UNS S32750, UNS S32760
1/2”-24”  5S, 10S,  40S, 80S    Copper Nickel  RF, FF, RTJ ASTM B61, B62, B151, B152 UNS C92200, UNS C83600, UNS C70600, UNS C71500, UNS C10100, UNS C10200, UNS C10300, UNS C10800, UNS C12000, UNS C12200
1/2”-24”  5S, 10S,  40S, 80S    Inconel RF, FF, RTJ ASTM B564 UNS N06600, UNS N06617, UNS N06625, UNS N08800, UNS N08810, UNS N08811, UNS N08825
1/2”- 4”  5S, 10S,  40S, 80S    Monel RF, FF, RTJ ASTM B564 UNS N04400, UNS N05500
1/2”-24”  5S, 10S,  40S, 80S    Titanium RF, FF, RTJ ASTM B564, B363 UNS R50250
1/2”-24”  5S, 10S,  40S, 80S    Hastelloy RF, FF, RTJ ASTM B564 UNS N10276, UNS N06022, UNS, N10665, UNS N06002