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Blind Flanges

Grade specifications of Blind Flanges

Stainless Steel Blind Flanges :
ASTM A182, F304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, SMO 254

Duplex & Super Duplex Steel Blind Flanges :
ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61 / Duplex 2205 – UNS S31803, UNS S32205 / Super Duplex 2507 – UNS S32750, UNS S32760

Carbon Steel Blind Flanges :
ASTM/ ASME A105, ASTM/ ASME A350 LF2, ASTM A694 & ASME SA694 F42 / F46 / F52 / F56 / F60 / F65 / F70

Alloy Steel Blind Flanges :
ASTM / ASME A182 F5 / F9 / F11 / F12 / F22 / F91

Inconel Blind Flanges : ASTM B564, Inconel 600 – UNS No. N06600, Inconel 601 – UNS No. N06601, Inconel 625 -UNS No. N06625, Inconel 715, Inconel 718 – UNS No. N07718, Incoloy 800 / 800H /800HT – (UNS No. N08800 / N08810 / N08811), Incoloy 825 – UNS No. N08825, Incoloy 925 – UNS No. N09925

Hastelloy Blind Flanges :ASTM B/SB564, Hastelloy B2 – UNS No. N10665, Hastelloy B3 – UNS No. N010675, Hastelloy C4 – UNS No. N06455, Hastelloy C22 – UNS No. N06022, Hastelloy C276 – UNS No. N10276, Hastelloy C2000 – UNS No. N06200, Hastelloy X – UNS No. N06002

Nickel Blind Flanges : Nickel 200 – UNS No. N02200 , Nickel 201 – UNS No. N02201

Monel Blind Flanges :ASME SB 564, Monel 400 – UNS No. N04400, Monel K500 – UNS No. N05500

Titanium Blind Flanges :ASTM B381 / ASME SB381, Grade 2 – UNS No. R50400, Grade 5 – UNS No. R56400

Alloy 20 Blind Flanges :ASTM B462 / ASME SB462 – UNS No. N08020

Processing Steps

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