Chetan Steel is a leading manufacturer and supplier of Carbon Steel A105 Flanges in Delhi, India, renowned for offering superior flanges solutions to different industries. We have a deep commitment to precision engineering and longevity and offer A105 flanges that are of international standards for strength, corrosion resistance, and performance. Our comprehensive product portfolio addresses oil & gas, petrochemical, and industrial sectors with reliability and efficiency. We at Chetan Steel focus on customer satisfaction with better products and prompt deliveries.
Carbon Steel A105 flanges are constructed of forged carbon steel with iron, carbon (0.35% max), manganese (0.60-1.05%), phosphorus (0.035% max), and sulfur (0.040% max) composition. They possess superior mechanical properties, such as tensile strength of 70,000 psi (min) and yield strength of 36,000 psi (min), with good hardness and impact resistance. Benefits are that they have good durability, economical, weld easily, and suitable for high pressure and high-temperature use in industries such as power generation, petrochemicals, and oil & gas.
| Specs | ASTM A105/ ASME SA105 |
|---|---|
| Pressure Classes | Cl 150, Class 300, Cl. 400, 600, Class 900, Cl 1500 and 2500 |
| Standards | ASME | BS | DIN | ANSI | GOST | EN Flange |
| Size Ranges | From 1/2 inch (i.e. 15 NB) upto 48 inch (i.e. 1200NB) |
| Flange Face Type | FF, RF, LMF, SMF, RTJ, LJF. |
| JIS Standards | 5 K, 10K, 16K, 20 K, 30K, 40K, 63 K |
| UNI/ DIN / EN Standard | 6Bar, 10 Bar, 16Bar, 25 Bar, 40Bar |
| Elements | Composition, % |
| Carbon [C] | ≤0.35 |
| Manganese [Mn] | 0.60-1.05 |
| Phosphorus [P] | ≤0.35 |
| Sulfur [S] | ≤0.40 |
| Silicon [Si] | 0.10-0.35 |
| Copper [Cu] | ≤0.40 |
| Nickel [Ni] | ≤0.40 |
| Chromium [Cr] | ≤0.30 |
| Molybdenum [Mo] | ≤0.12 |
| Vanadium [V] | ≤0.08 |
| Tensile Strength min. | Yield Strength min. | Elongation min. | Reduction of Area, min. | Hardness | ||
|---|---|---|---|---|---|---|
| MPa | ksi | MPa | ksi | % | % | HBW |
| 485 | 70 | 250 | 36 | 22 | 30 | 137-187 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chetan Steel is one of the most prominent manufacturers and suppliers of superior quality Carbon Steel A105 Flanges in Delhi, 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
| ASTM A105 Flange Weights by Pressure Class and Size | ||||||||||||||||||
| Pipe Size | Class 150 | Class 300 | Class 600 | Class 900 | Class 1500 | Class 2500 | ||||||||||||
| WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | WN | SO | BLD | |
| 1/2″ | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 | 1500 Class Weight | 5 | 4 | 4 | 7 | 7 | 7 | ||
| 3/4″ | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 3 | 3 | 1500 Class Weight | 6 | 5 | 6 | 8 | 8 | 8 | ||
| 1″ | 3 | 2 | 2 | 4 | 3 | 3 | 4 | 4 | 4 | 1500 Class Weight | 9 | 8 | 8 | 12 | 11 | 11 | ||
| 1 1/2″ | 4 | 3 | 3 | 7 | 6 | 6 | 8 | 7 | 8 | 1500 Class Weight | 13 | 12 | 13 | 25 | 22 | 23 | ||
| 2″ | 6 | 5 | 5 | 9 | 7 | 8 | 12 | 9 | 10 | 1500 Class Weight | 25 | 25 | 25 | 42 | 37 | 39 | ||
| 2 1/2″ | 8 | 7 | 7 | 12 | 10 | 12 | 18 | 13 | 15 | 1500 Class Weight | 36 | 36 | 35 | 52 | 55 | 56 | ||
| 3″ | 10 | 8 | 9 | 15 | 13 | 16 | 23 | 16 | 20 | 31 | 26 | 29 | 48 | 48 | 48 | 94 | 83 | 86 |
| 4″ | 15 | 13 | 17 | 25 | 22 | 27 | 42 | 37 | 41 | 53 | 53 | 54 | 73 | 73 | 73 | 145 | 125 | 130 |
| 5″ | 19 | 15 | 20 | 32 | 28 | 35 | 68 | 63 | 68 | 86 | 83 | 87 | 130 | 130 | 140 | 245 | 210 | 225 |
| 6″ | 24 | 19 | 26 | 42 | 39 | 50 | 81 | 80 | 86 | 110 | 110 | 115 | 165 | 165 | 160 | 380 | 325 | 345 |
| 8″ | 39 | 30 | 45 | 67 | 58 | 81 | 120 | 115 | 140 | 175 | 170 | 200 | 275 | 260 | 300 | 580 | 485 | 530 |
| 10″ | 52 | 43 | 70 | 91 | 81 | 124 | 190 | 170 | 230 | 260 | 245 | 290 | 455 | 435 | 510 | 1075 | 930 | 1025 |
| 12″ | 80 | 64 | 110 | 140 | 115 | 185 | 225 | 200 | 295 | 325 | 325 | 415 | 690 | 580 | 690 | 1525 | 1100 | 1300 |
| 14″ | 110 | 90 | 140 | 180 | 165 | 250 | 280 | 230 | 355 | 400 | 400 | 520 | 940 | NA | 975 | NA | NA | NA |
| 16″ | 140 | 98 | 180 | 250 | 190 | 295 | 390 | 330 | 495 | 495 | 425 | 600 | 1250 | NA | 1300 | NA | NA | NA |
| 18″ | 150 | 130 | 220 | 320 | 250 | 395 | 475 | 400 | 630 | 680 | 600 | 850 | 1625 | NA | 1750 | NA | NA | NA |
| 20″ | 180 | 165 | 285 | 400 | 315 | 505 | 590 | 510 | 810 | 830 | 730 | 1075 | 2050 | NA | 2225 | NA | NA | NA |
| 22″ | 225 | 185 | 355 | 465 | 370 | 640 | 720 | 590 | 1000 | NA | NA | NA | NA | NA | NA | NA | NA | NA |
| 24″ | 260 | 220 | 430 | 580 | 475 | 790 | 830 | 730 | 1250 | 1500 | 1400 | 2025 | 3325 | NA | 3625 | NA | NA | NA |
| Size in inches | Outer Dia. | Size in millimeter | RF Height | Flange Thick. | RF Diam. | PCD | Bolt Size UNC | No of Bolts | Machine Bolt Lengths | Hole Size | RF Stud Length | ISO Stud Size | Weight in kg |
| Â | A | Â | D | B | C | E | Â | Â | Â | Â | Â | Â | Â |
| 1/2 | 90 | 15 | 2 | 9.6 | 34.9 | 60.3 | 1/2 | 4 | 50 | 5/8 | 55 | M14 | 0.9 |
| 3/4 | 100 | 20 | 2 | 11.2 | 42.9 | 69.9 | 1/2 | 4 | 50 | 5/8 | 65 | M14 | 0.9 |
| 1 | 110 | 25 | 2 | 12.7 | 50.8 | 79.4 | 1/2 | 4 | 55 | 5/8 | 65 | M14 | 0.9 |
| 1 1/4 | 115 | 32 | 2 | 14.3 | 63.5 | 88.9 | 1/2 | 4 | 55 | 5/8 | 70 | M14 | 1.4 |
| 1 1/2 | 125 | 40 | 2 | 15.9 | 73 | 98.4 | 1/2 | 4 | 65 | 5/8 | 70 | M14 | 1.8 |
| 2 | 150 | 50 | 2 | 17.5 | 92.1 | 120.7 | 5/8 | 4 | 70 | 3/4 | 85 | M16 | 2.3 |
| 2 1/2 | 180 | 65 | 2 | 20.7 | 104.8 | 139.7 | 5/8 | 4 | 75 | 3/4 | 90 | M16 | 3.2 |
| 3 | 190 | 80 | 2 | 22.3 | 127 | 152.4 | 5/8 | 4 | 75 | 3/4 | 90 | M16 | 4.1 |
| 3 1/2 | 215 | 90 | 2 | 22.3 | 139.7 | 177.8 | 5/8 | 8 | 75 | 3/4 | 90 | M16 | 5.9 |
| 4 | 230 | 100 | 2 | 22.3 | 157.2 | 190.5 | 5/8 | 8 | 75 | 3/4 | 90 | M16 | 7.7 |
| 5 | 255 | 125 | 2 | 22.3 | 185.7 | 215.9 | 3/4 | 8 | 85 | 7/8 | 95 | M20 | 9.1 |
| 6 | 280 | 150 | 2 | 23.9 | 215.9 | 241.3 | 3/4 | 8 | 85 | 7/8 | 100 | M20 | 11.8 |
| 8 | 345 | 200 | 2 | 27 | 269.9 | 298.5 | 3/4 | 8 | 90 | 7/8 | 110 | M20 | 20.5 |
| 10 | 405 | 250 | 2 | 28.6 | 323.8 | 362 | 7/8 | 12 | 100 | 1 | 115 | M24 | 32 |
| 12 | 485 | 300 | 2 | 30.2 | 381 | 431.8 | 7/8 | 12 | 100 | 1 | 120 | M24 | 50 |
| 14 | 535 | 350 | 2 | 33.4 | 412.8 | 476.3 | 1 | 12 | 115 | 1 1/8 | 135 | M27 | 64 |
| 16 | 595 | 400 | 2 | 35 | 469.9 | 539.8 | 1 | 16 | 115 | 1 1/8 | 135 | M27 | 82 |
| 18 | 635 | 450 | 2 | 38.1 | 533.4 | 577.9 | 1 1/8 | 16 | 125 | 1 1/4 | 145 | M30 | 100 |
| 20 | 700 | 500 | 2 | 41.3 | 584.2 | 635 | 1 1/8 | 20 | 140 | 1 1/4 | 160 | M30 | 130 |
| 24 | 815 | 600 | 2 | 46.1 | 692.2 | 749.3 | 1 1/4 | 20 | 150 | 1 3/8 | 170 | M33 | 196 |
Carbon Steel A105 Flanges are extensively utilized in high-pressure and high-temperature applications. They are a must-have in oil & gas, petrochemicals, power plants, and refineries to provide safe pipeline connections. They are perfect for the transportation of steam, water, and gas, providing superior durability and corrosion resistance. Pressure vessels, heat exchangers, and boiler production are some of the common uses. Their machinability and strength qualify them for use in threaded or welded piping systems, making them leak-proof and efficient flow managers in industrial processes.
Chetan 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 Delhi, India.
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