Weld Neck Flanges

Weld Neck Flanges

Ratnam Steel Ltd is a manufacturer, supplier, exporter of a huge variety of products. We are an esteemed company that is pretty much engaged in giving a widespread variety of Weld Neck Flanges. Being ISO certified company and producing huge range of products, we have a huge number of domestic as well as international clients. We have supplied Weld Neck Flanges to clients in India as well as across the globe in countries such as US, UK, Italy, Germany, Australia etc. We offer Weld Neck Flanges at economical price to our consumers. These products have a widespread application in number of industries like sugar, nuclear, marine, defence, fabrication etc.

Specification

Dimensions : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc.

Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

Size : 1/8″ NB TO 48″NB.

Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673

ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48

BS : BS4504 , BS4504, BS1560, BS10

Material & Grades

Stainless Steel Weld Neck Flanges : ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L

Duplex & Super Duplex Steel Weld Neck Flanges : ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Alloy Steel Weld Neck Flanges : ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91

Carbon Steel Weld Neck Flanges : ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706

Nickel Alloy Weld Neck Flanges : 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 Steel Weld Neck Flanges : 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.

ANSI, ASME, ASA, B16.5 Welding Neck Flange RF Dimensions

ANSI, ASME, ASA, B16.5 150lb/sq.in. WELDING NECK FLANGE RF
ø D b g m a J* h k Holes l Kg.
1/2″ 88,9 11,1 34,9 30,2 21,3 15,7 47,6 60,3 4 15,9 0,500
3/4″ 98,4 12,7 42,9 38,1 26,7 20,8 52,4 69,8 4 15,9 0,700
1″ 107,9 14,3 50,8 49,2 33,5 26,7 55,6 79,4 4 15,9 1,100
1 1/4″ 117,5 15,9 63,5 58,8 42,2 35,1 57,1 88,9 4 15,9 1,500
1 1/2″ 127,0 17,5 73,0 65,1 48,3 40,9 61,9 98,4 4 15,9 1,800
2″ 152,4 19,0 92,1 77,8 60,3 52,6 63,5 120,6 4 19,0 2,700
2 1/2″ 177,8 22,2 104,8 90,5 73,1 62,7 69,8 139,7 4 19,0 4,400
3″ 190,5 23,8 127,0 107,9 88,9 78,0 69,8 152,4 4 19,0 5,200
3 1/2″ 215,9 23,8 139,7 122,2 101,6 90,2 71,4 177,8 8 19,0 6,400
4″ 228,6 23,8 157,2 134,9 114,3 102,4 76,2 190,5 8 19,0 7,500
5″ 254,0 23,8 185,7 163,5 141,2 128,3 88,9 215,9 8 22,2 9,200
6″ 279,4 25,4 215,9 192,1 168,4 154,2 88,9 241,3 8 22,2 11,000
8″ 342,9 28,6 269,9 246,1 219,1 202,7 101,6 298,4 8 22,2 18,300
10″ 406,4 30,2 323,8 304,8 273,0 254,5 101,6 361,9 12 25,4 25,000
12″ 482,6 31,7 381,0 365,1 323,8 304,8 114,3 431,8 12 25,4 39,000
14″ 533,4 34,9 412,7 400,0 355,6 336,5 127,0 476,2 12 28,6 51,000
16″ 596,9 36,5 469,9 457,2 406,4 387,3 127,0 539,7 16 28,6 60,000
18″ 635,0 39,7 533,4 504,8 457,2 438,1 139,7 577,8 16 31,7 71,000
20″ 698,5 42,9 584,2 558,8 508,0 488,9 144,5 635,0 20 31,7 88,000
22″ 749,3 46,0 641,2 609,6 558,8 539,7 149,2 692,1 20 34,9 102,000
24″ 812,8 47,6 692,1 663,6 609,6 590,5 152,4 749,3 20 34,9 119,000
* The data “J” corresponds to the STD schedule