Yaman Steel, located in Mumbai, India, has earned a solid reputation as a reliable manufacturer and supplier of top-notch steel products, including flanges, pipes, and fittings. One of their standout offerings is the Carbon Steel Long Weld Neck Flanges, crafted to deliver exceptional strength, reliability, and resistance to stress in high-pressure and high-temperature piping systems. These flanges are made in accordance with international standards and are precision-engineered to guarantee dimensional accuracy and consistent performance. Thanks to their state-of-the-art production facilities and strict quality control measures, Yaman Steel provides long weld neck flanges that meet the rigorous demands of both domestic and global industrial applications.
Constructed from premium-grade carbon steel, Carbon Steel Long Weld Neck Flanges boast a carefully controlled chemical composition that ensures outstanding mechanical properties. With their extended neck design, these flanges facilitate smooth stress distribution from the flange to the pipe, which helps minimize turbulence and lowers the risk of fatigue or failure. They are known for their high tensile and yield strength, good impact resistance, and excellent weldability, making them perfect for critical service applications where maintaining structural integrity is vital.
Standards : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size: 1/2″ (15 NB) to 48″ (1200NB)
Class/Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Carbon Plate Flanges: ASTM A182 F304, F304L, F310, F316, F316L, F317, F317L
Carbon Steel Plate Flanges: ASTM A105/A105N, A694 F42, F46, F52, F60, F65, F70, A516.60, 65, 70
Low Temperature Carbon Steel Plate Flanges: ASTM A350, LF1, LF2 CL1/CL2, LF3 CL1/CL2
Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100%
| Nominal Size Thickness (inches) | Weight (lb/ft2) |
|---|---|
| 3/16 | 7.65 |
| 1/4 | 10.2 |
| 5/16 | 12.8 |
| 3/8 | 15.3 |
| 7/16 | 17.9 |
| 1/2 | 20.4 |
| 9/16 | 22.9 |
| 5/8 | 25.5 |
| 11/16 | 28.1 |
| 3/4 | 30.6 |
| 13/16 | 33.2 |
| 7/8 | 35.7 |
| 1 | 40.8 |
| 1 1/8 | 45.9 |
| 1 1/4 | 51.0 |
| 1 3/8 | 56.1 |
| 1 1/2 | 61.2 |
| 1 5/8 | 66.3 |
| 1 3/4 | 71.4 |
| 1 7/8 | 76.5 |
| 2 | 81.6 |
| 2 1/8 | 86.7 |
| Plate Diameter | Pipes | PN 16 Plate Flange | Screws/Thread | Weight In KG | |||||
|---|---|---|---|---|---|---|---|---|---|
| (d1) | (k) | (D) | (b) | (d2) | (Thread) | (Flange Bolt holes) | (Kilogram) | ||
| 15 | 21,3 | 22,0 | 65 | 95 | 14 | 14 | M12 | 4 | 0,668 |
| 20 | 26,9 | 27,5 | 75 | 105 | 16 | 14 | M12 | 4 | 0,933 |
| 25 | 33,7 | 34,5 | 85 | 115 | 16 | 14 | M12 | 4 | 1,106 |
| 32 | 42,4 | 43,5 | 100 | 140 | 18 | 18 | M16 | 4 | 1,816 |
| 40 | 48,3 | 49,5 | 110 | 150 | 18 | 18 | M16 | 4 | 2,075 |
| 50 | 60,3 | 61,5 | 125 | 165 | 20 | 18 | M16 | 4 | 2,723 |
| 65 | 76,1 | 77,5 | 145 | 185 | 22 | 18 | M16 | 8 | 3,465 |
| 80 | 88,9 | 90,5 | 160 | 200 | 24 | 18 | M16 | 8 | 4,310 |
| 100 | 114,3 | 116,0 | 190 | 235 | 26 | 22 | M20 | 8 | 6,056 |
| 125 | 139,7 | 141,5 | 220 | 270 | 28 | 26 | M24 | 8 | 8,170 |
| 150 | 168,3 | 170,5 | 250 | 300 | 30 | 26 | M24 | 8 | 10,238 |
| 200 | 219,1 | 221,5 | 310 | 360 | 32 | 26 | M24 | 12 | 14,245 |
| 250 | 273,0 | 276,5 | 370 | 425 | 35 | 30 | M27 | 12 | 20,087 |
| 300 | 323,9 | 327,5 | 430 | 485 | 38 | 30 | M27 | 16 | 26,526 |
| 350 | 355,6 | 359,5 | 490 | 555 | 42 | 33 | M30 | 16 | 41,656 |
| 400 | 406,4 | 411,0 | 550 | 620 | 48 | 36 | M33 | 16 | 57,456 |
| 450 | 457,0 | 462,0 | 600 | 670 | 54 | 36 | M33 | 20 | 69,548 |
| 500 | 508,0 | 513,5 | 660 | 730 | 58 | 36 | M33 | 20 | 86,736 |
| 600 | 610,0 | 616,5 | 770 | 845 | 68 | 39 | M36 | 20 | 126,866 |
| 700 | 711,2 | 714,0 | 875 | 960 | 85 | 42 | M39 | 24 | 193,031 |
| 800 | 812,8 | 816,0 | 990 | 1085 | 95 | 48 | M45 | 24 | 266,311 |
Yaman Steel is the largest manufacturer and exporter of Pipe, Fittings, Flanges in Mumbai, India, known for delivering high-quality products to clients across the globe. With state-of-the-art manufacturing facilities and a team of skilled professionals, the company ensures flanges with superior strength, durability, and reliability that meet international standards. Yaman Steel offers a wide range of sizes, grades, and specifications, catering to industries such as oil and gas, petrochemical, power, and water treatment. For inquiries and orders, contact us at sales@pipefittingsflanges.com.
These flanges find extensive use across various industries, including oil and gas, petrochemical, power generation, chemical processing, and refineries. They’re often installed in high-pressure pipelines, valves, and process equipment where safety, leak-proof connections, and long-lasting durability are essential. Their sturdy construction and superior ability to handle stress make them a go-to choice for demanding industrial piping systems.
