Home > Long Weld Neck Flanges
Long Weld Neck Flanges is critical in piping design, particularly for high-pressure applications. Their extended necks permit improved flow and lower stress, boosting connection strength. They are constructed from tough materials such as carbon steel, stainless steel, alloy steel, and so on. They play a key role in industries like oil, gas, petrochemicals, and power generation. These flanges deliver outstanding mechanical properties and long service life, making them a dependable option for demanding applications that call for durability and safety.
Specifications : ASTM B462 / ASME SB462
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2″NB TO 60″NB
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Stainless Steel Long 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 Long Weld Neck Flanges :
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Long 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
Low Temperature Carbon Steel Long Weld Neck Flanges : ASTM A350, LF2, LF3
Alloy Steel Long Weld Neck Flanges :
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Copper Alloy Steel Long 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
Nickel Alloy Long 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)
| Long Weld Neck Flange | Long Welding Neck Flanges |
| ANSI B16.5 Long Weld Neck Flanges | Long Weld Neck Flange Dimensions |
| ASME B16.5 Long Weld Neck Flanges | ANSI B16.5 Class 150 Long Weld Neck Flanges |
| Stainless Steel Long Weld Neck Flanges Suppliers | SS Long Welding Neck Flange |
| Long Weld Neck Plate Flanges Dealer | ASME B16.47 Series A and B Long Weld Neck Flanges Exporter |
| ANSI B16.5 class 150 Long Weld Neck Flange Stockholder | ANSI 150 Long Weld Neck Flange Distributors |
| Carbon Steel Long Welding Neck Flange | High Quality Long Weld Neck Flanges Manufacturer |
| ASTM A182 Stainless Steel Long Weld Neck Flange | Duplex Steel Long Weld Neck Flange |
| Super Duplex Steel Long Weld Neck Forged Flange | Copper Nickel Long Weld Neck Pipe Flanges |
| High Nickel Alloy Long Welding Neck Flanges | Hastelloy Flat Faced Long Weld Neck Flanges Stockist |
| Titanium ASME B16.47 Series A and B Long Weld Neck Flanges | Inconel Long Weld Neck Flanges |
At Sumakhsteel, we are proud to be the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. Backed by cutting-edge manufacturing facilities strategically situated in the USA, we maintain an extensive stock of more than 25,000 tons of high-quality materials kept ready in inventory.
Reach out to us for a fast quote tailored to your requirement.
We supply These Long Weld Neck Flanges in accordance with DIN, ISO, JIS or ANSI Standard.
Long Weld Neck Flanges possess outstanding mechanical properties and withstand wear corrosion and elevated temperatures, which is why they see broad use across numerous industries. These flanges are extensively employed in the oil and gas, petrochemical, power generation, and aerospace industries. They serve a key function in connecting equipment, valves, and piping systems. Thanks to their remarkable strength, toughness, and wear resistance, they are ideal for uses subjected to demanding operating conditions, including high temperatures, high pressures, and corrosive environments.
Yes Additionally, long weld neck flanges can be recycled after use. Manufactured from recyclable materials such as carbon steel, stainless steel, and alloy steels, they can be melted down and reused for new production, promoting sustainability and lessening environmental impact.
Phone Us: +91 7208967217
Email: sales@sumakhsteel.com
