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MSPiping Products

Steel Flanges

Full range of forged flanges per ASME B16.5 and B16.47. All pressure ratings from 150# to 2500#, all face types.

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Welding Neck / Long Weld Neck
Blind
Socket Weld
Slip On
Lapped Joint
Spacer and Blinds
Orifice Flanges
Nipoflanges / Flangolets

Material & Grade Specifications

All items available to order. Contact us for non-standard sizes, special alloys, or mill test certificates. Grades listed per ASTM / ASME / API standards.

Carbon & LTCS High Yield Cr-Mo Alloy Austenitic SS Duplex / Super Duplex Nickel Alloy / Inconel Copper Nickel
Type Size Range Wall / Schedule Carbon & LTCS High Yield Cr-Mo Alloy Austenitic SS Duplex / Super Duplex Nickel Alloy / Inconel Copper Nickel
Forged Flanges
WN · BL · SW · SO
LJ · OR · Nipof.		 ½″ – 60″ NPS 150# – 2500#
RF · FF · RTJ		 ASTM A105 ASTM A350 LF2 ASTM A350 LF3 ASTM A694 F52 – F65 ASTM A182 F11 ASTM A182 F22 ASTM A182 F5 ASTM A182 F9 ASTM A182 F304/H/L ASTM A182 F316/H/L ASTM A182 F321/H ASTM A182 F347/H ASTM A182 F44 ASTM A182 UNS S31803 ASTM A182 UNS S32750 ASTM A182 UNS S32760 ASTM B446 UNS N06625 ASTM B425 UNS N08825 ASTM B408 UNS N08800 ASTM B408 UNS N08810/11 EEMUA Publ. 234
Applicable Standards ASME B16.5 · ASME B16.47 · ASTM A105 · ASTM A182 · ASTM A350 · MSS SP-44