Manufacturer, Supplier & Stockist of Flanges
Weldneck Flanges
Weld Neck Flanges are drilled(machined) with the wall thickness of the flange having the same dimensions of the matching pipe.
the lighter the pipe is, the larger the bore, conversely, the heavier the pipe, the small the bore, they are normally used for highpressure, cold or hot temperature.

DIM STANDARDS
ANSI B 16.5, ANSI B 16.47, SERIES A and B, MSS SP44.
SIZE
1/2" NB TO 48" NB
PRESSURE RATINGS
CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500, PN6, PN 10, PN 16, PN 25, PN 40, PN 64, ETC.
GRADES:
STAINLESS STEEL
ASTM, A182, F304, F304L, F304H, F310S, F316, F316L, F316TI, F317L, F321, F321H, F347, F347H, F904L.
ALLOY STEEL
ASTM, A182F, F1, F2, F5, F7, F9, F11, F12, F22, F91.
CARBON STEEL
ASTM, A105, A105N, A350, LF1, LF2, LF3, A694, F22, F60, F65.
NICKEL ALLOY
B-564, UNS NO 225, UNS NO 6625, UNS NO 4400, B 381 – F2, F7, F12.
DUPLEX STEEL AND SUPER DUPLEX STEEL
ASTM, A815, UNS S31803, UNS S32205, UNS S32550, UNS S32750, UNS S32760.



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