Weld Neck Flanges

Pacific Steels & Alloys is one of the specialized Manufacturer, Supplier, Trader and Stock Holder of premium quality of Weld Neck Flanges as compared to other dealers. We provide vast variety of products in customized sizes, shapes, grades, dimensions and specification as per customer’s requirement. We supply huge range of products to the Domestic and International clients.

Weld Neck Flanges is also known as a high hub flange and tapered hub flange. Weld Neck Flanges are used in various sectors like Textile, Paper, Engineering, Plumbing, Heating, Water supply, Fabrication, Food processing industry, Structural pipe, Dairy, Sugar, Cement, Petrochemical, Oil & Gas power, Onshore & Offshore and many more.

Weld Neck Flanges are provided in various materials like Stainless Steel Weld Neck Flanges, Hastelloy Weld Neck Flanges, Inconel Weld Neck Flanges, Monel Weld Neck Flanges, Nickel Alloy Weld Neck Flanges, Alloy 20 Weld Neck Flanges, SMO 254 Weld Neck Flanges, Titanium Weld Neck Flanges, Copper Nickel Weld Neck Flanges, Duplex Weld Neck Flanges, Super Duplex Weld Neck Flanges and Alloy Steel Weld Neck Flanges.

We offer Weld Neck Flanges at a Affordable Price to our customer.

For more info feel free to mail us in Sales@psalloys.com

Weld Neck Flanges Specification

TypeWN Forged Flange
Size½” (15 NB) to 48″ (1200NB)
StandardANSI B16.5, ANSI B16.47, ANSI B16.36, ANSI B16.48, BS 4504, EN1092, UNI 2277/2278, DIN, JIS, SABS1123, GOST-12820
Class150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DINDIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
BSBS4504 , BS4504, BS1560, BS10
In FormSORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc
SpecializeAs per drawing
Coating/Surface TreatmentAnti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Connection TypeRing Type Joint, Lap-Joint Face, Raised Face, Flat Face, Large Male-Female, Small Male-Female, Large Tongue & Groove, Small Tongue & Groove
Flange Face TypeFlat Face (FF), Raise Face (RF), Ring Joint (RJT)
DimensionsANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Weld Neck Flanges Materials & Grades

MaterialsStandard, Grades
Stainless Steel Weld Neck FlangesASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel Weld Neck FlangesASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70
Alloy Steel Weld Neck FlangesASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Weld Neck FlangesASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
6% Moly / Super Duplex Weld Neck FlangesASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Low Temperature Steel Weld Neck FlangesASTM A350 LF2, LF3, LF6
High Yield Weld Neck FlangesASTM A694 F42, F52, F60, F65, F70
Nickel Alloys Weld Neck FlangesASTM 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 Alloys Weld Neck FlangesASTM 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
Alloys Weld Neck FlangesALLOY 20, ALLOY C, ALLOY C276, ALLOY B2
Other Grade of Weld Neck FlangesBronze, Brass, Cupro Nickel, Titanium, Inconel, Monel, Hastelloy