Esha Steel, a leading manufacturer and supplier based in Kolkata, has built a solid reputation for providing top-notch Carbon Steel A694 Flanges across various industrial sectors. With a strong focus on engineering excellence and a commitment to global standards, Esha Steel guarantees that every flange delivers outstanding strength, durability, and the ability to handle high pressure. The company utilizes cutting-edge manufacturing techniques and rigorous quality control to meet the high demands of industries like oil, gas, petrochemicals, and power generation. Backed by a talented workforce, prompt delivery, and a customer-first approach, Esha Steel remains a reliable partner for clients in need of high-performance A694 flanges for critical applications.
Carbon Steel A694 Flanges are crafted from high-strength carbon steel, featuring carefully controlled amounts of carbon, manganese, silicon, sulfur, and phosphorus. Built for high-pressure transmission services, these flanges showcase impressive tensile strength, impact toughness, and yield performance. They resist stress, deformation, and fatigue exceptionally well, making them perfect for challenging environments. The material also maintains good hardness and weldability, which simplifies fabrication. With their robust mechanical properties, these flanges are designed to perform reliably under extreme temperatures and pressures in pipeline systems.
| Specifications | ASTM A694 / ASME SA694 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Standard | ANSI, ASME, BS, DIN, EN etc. |
| Grades | F42, F46, F52, F60, F65, F70, A36, A516 Gr. 70,60 |
| Size | 1/2″ to 48″ |
| 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) |
| Element | F42 Content, % | F52 Content, % | F60 Content, % | F65 Content, % | F70 Content, % |
| Carbon (C) | 0.13~0.20 | 0.16~0.22 | 0.17~0.23 | 0.17~0.23 | 0.06~0.10 |
| Silicon (Si) | 0.20~0.40 | 0.15~0.40 | 0.15~0.40 | 0.15~0.40 | 0.20~0.40 |
| Manganese (Mn) | 1.20~1.60 | 1.10~1.40 | 1.20~1.50 | 1.30~1.60 | 1.10~1.40 |
| Phosphorous (P) | ≤ 0.030 | ≤ 0.025 | ≤ 0.020 | ≤ 0.025 | ≤ 0.020 |
| Sulfur (S) | ≤ 0.020 | ≤ 0.012 | ≤ 0.012 | ≤ 0.015 | ≤ 0.010 |
| Molybdenum (Mo) | 0.20~0.35 | 0.45~0.60 | 0.45~0.65 | 1.20~1.70 | |
| Nickel (Ni) | ≤ 0.30 | ≤ 0.50 | 0.40~1.00 | ≤ 0.30 | 0.20~0.40 |
| Chromium (Cr) | ≤ 0.30 | ≤ 0.30 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 |
| Copper (Cu) | ≤ 0.25 | ≤ 0.25 | ≤ 0.25 | ≤ 0.25 | ≤ 0.25 |
| Vanadium (V) | ≤ 0.050 | 0.02~0.06 | |||
| Niobium (Nb) | 0.025~0.050 | ||||
| Pcm | ≤ 0.25 | ||||
| Carbon Equivalent | ≤ 0.48 | ≤ 0.48 | ≤ 0.48 | ≤ 0.43 | ≤ 0.48 |
| ASTM A694 Grade | Yield Strength min. | Tensile Strength min. | Elongation min. | ||
| MPa | ksi | MPa | ksi | % | |
| A694 F42 FLANGES | 290 | 42 | 415 | 65 | 20 |
| A694 F46 FLANGES | 315 | 46 | 415 | 60 | 20 |
| A694 F48 FLANGES | 330 | 48 | 425 | 62 | 20 |
| A694 F50 FLANGES | 345 | 50 | 440 | 64 | 20 |
| A694 F52 FLANGES | 360 | 52 | 455 | 66 | 20 |
| A694 F56 FLANGES | 385 | 56 | 470 | 68 | 20 |
| A694 F60 FLANGES | 415 | 60 | 515 | 75 | 20 |
| A694 F65 FLANGES | 450 | 65 | 530 | 77 | 20 |
| A694 F70 FLANGES | 485 | 70 | 565 | 82 | 18 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Esha Steel is one of the most prominent manufacturers and suppliers of superior quality Carbon Steel A694 Flanges in Kolkata India. As experts in steel solutions, we supply a complete spectrum of products like Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our product range comprises Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Known for our reliable delivery and first-rate customer service, we are committed to supplying high-quality steel materials that guarantee durability and excellent performance in numerous industrial applications.Â
| ASME/ANSI B 16.5 | Welding Neck, Slip on, Blind, High Hub Blind, Socket Weld, Lap Joint, Threaded, Ring Type Joint Flanges |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Welding Neck, Blind [Series A & B] Flanges |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Welding Neck, Slip on, Threaded Flanges |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| BS 4504 SEC 3.1 | Welding Neck, Hubbed Slip on, Hubbed Threaded, Lapped Pipe End, Plate, Loose Plate, Loose Plate With Weld Neck, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Welding Neck, Hubbed Slip-On Hubbed Threaded, Plate, Loose Plate With Weld On Plate Collar, Blank Flange |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Welding Neck, Socket Welding, Slip-On, Blind, Screwed Boss, Lapped Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Welding Neck, Plate Slip-On, Screwed Boss, Slip-On Boss, Blind Flange |
| TABLE | D, E, F, H |
| DIN Flange | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
| Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
| AS 2129 Flange | Table C | 95 | 67 | 4 | 13 | 14 |
| Table D | 95 | 67 | 4 | 13 | 14 | |
| Table E | 95 | 67 | 4 | 13 | 14 | |
| Table F | 95 | 67 | 4 | 13 | 14 | |
| Table H | 114 | 83 | 4 | 16 | 17 | |
| Table J | 114 | 83 | 4 | 16 | 17 | |
| ANSI B16.5 | ANSI 150 | 89 | 60 | 4 | 13 | 16 |
| ANSI 300 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 600 | 95 | 67 | 4 | 13 | 16 | |
| ANSI 900 | 121 | 83 | 4 | 19 | 22 | |
| ANSI 1500 | 121 | 83 | 4 | 19 | 22 | |
| ISO 7005 (DIN) Flange | PN6 | 80 | 55 | 4 | M10 | 11 |
| PN10 | 95 | 65 | 4 | M12 | 14 | |
| PN16 | 95 | 65 | 4 | M12 | 14 | |
| PN20 | 90 | 60.5 | 4 | M14 | 16 | |
| PN25 | 95 | 65 | 4 | M12 | 14 | |
| PN40 | 95 | 65 | 4 | M12 | 14 |
Carbon Steel A694 Flanges find extensive use in high-pressure pipelines that transport oil, gas, and petrochemical products. Their exceptional strength makes them perfect for connecting pipes, valves, pumps, and other equipment in refinery systems, offshore platforms, natural gas processing units, and power generation facilities. These flanges facilitate efficient flow control and secure sealing, ensuring system safety and preventing leaks. They are also utilized in water distribution networks, chemical plants, and various industrial infrastructure projects. Thanks to their durability and performance, A694 flanges are a go-to choice for demanding applications.
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Esha Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Kolkata India.
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