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Long Weld Neck Flange

We offer long neck weld flanges in various types to meet the demands of several engineering and process industries. These flanges are in accordance with the international standards of ASTM, ASME, API, AISI, BS, ANSI, DIN, JIS, MSSP and NACE, and are offered along with mill test certificate as per EN 10204 / 3.1B.
Size:

½” to 84”

Class:

150#, 300#, 400#, 600#, 900#, 1500#, 2500# / TABLE 2.5, TABLE 6, TABLE 10, TABLE 16,TABLE 25, TABLE 40, TABLE 64, TABLE 160, TABLE 320, TABLE 400 .

Material of Construction Standards Grades
Stainless Steel Threaded flanges ASTM A182, A240 F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L
Carbon Steel ASTM A105 ASTM A 105/ A694 F42 / 46 / 52 / 56 / 60 / 65 / 70 / A350 LF3 / A350 LF2 / A350 LF1
Alloy Steel ASTM A182 F1, F5, F9, F11, F22, F91
Nickel Alloys ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020),
Copper Alloy ASTM SB 61, SB62, SB151, SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200,
Low Temperature Carbon Steel ASTM A350 LF2, LF3
Duplex Steel ASTM A182, A240 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61