304 Stainless Steel Flange
The 304 stainless steel flange is a widely used and highly versatile pipe fitting that provides excellent corrosion resistance and durability. Here is an introduction to the product:
Material and Corrosion Resistance: The 304 stainless steel flange is made from high-quality 304 stainless steel, which is a popular and widely used austenitic stainless steel grade. It offers superior resistance to corrosion in various environments, including mild acids, alkalis, and chloride-containing solutions. Its exceptional corrosion resistance makes it suitable for both indoor and outdoor applications.
Types and Configurations: The 304 stainless steel flange is available in various types and configurations to meet diverse requirements. Common types include slip-on flanges, weld neck flanges, blind flanges, and threaded flanges. These options provide flexibility in connecting pipes or valves, allowing for efficient installation and maintenance.
Sizes and Specifications: The dimensions and specifications of the 304 stainless steel flange can be customized to fit different piping systems. It is available in a range of sizes, catering to small, medium, and large diameter pipes, ensuring compatibility with various industrial setups.
Connection Methods: The 304 stainless steel flange can be easily connected to pipes or valves using welding techniques such as TIG (tungsten inert gas) welding or MIG (metal inert gas) welding. Additionally, it can also be threaded onto pipes for a secure connection. These methods ensure strong and leak-free connections, ensuring the integrity of the overall system.
Applications: The 304 stainless steel flange finds extensive application in industries such as petrochemical, food processing, pharmaceutical, and water treatment. Its exceptional corrosion resistance, high strength, and temperature resistance make it suitable for demanding environments. It is commonly utilized in pipelines, pressure vessels, heat exchangers, and other critical applications where reliability and durability are essential.
In summary, the 304 stainless steel flange is a versatile and corrosion-resistant pipe fitting used in various industrial applications. It offers excellent resistance to corrosion, comes in different types and sizes, and can be easily connected using welding or threading techniques. Its wide range of applications includes industries like petrochemical, food processing, pharmaceutical, and water treatment, where its durability and reliability are highly valued.
| 304 Stainless Steel Flange Chemical Compositions |
| Grade | C | Mn | P | S | Si | Cr | Ni | N |
| 304 | ≤0.08 | ≤2.0 | ≤0.045 | ≤0.03 | ≤0.75 | 18.0-20.0 | 8.0-10.5 | ≤0.10 |
| Parameter | Description |
| Material | 304 stainless steel |
| Size Range | 1/2 inch - 36 inch |
| Pressure Class | 150 pounds, 300 pounds, 600 pounds |
| Flange Face Type | Raised face (RF), Flat face (FF), Ring type joint (RTJ) |
| Flange Standard | ANSI B16.5, ASME B16.47, DIN, EN, JIS |
| Temperature Range | -200°C to +800°C |
| Suitable Media | Water, Oil, Gas, Chemicals, etc. |
| Application Areas | Plumbing, Power generation, Food processing, Petrochemical industry, etc. |
| ANSI, ASME, ASA, B16.5 150lb/sq.in. WELDING NECK FLANGE RF | |||||||||||
| ø | D | b | g | m | a | J* | h | k | Holes | l | Kg. |
| 1/2" | 88,9 | 11,1 | 34,9 | 30,2 | 21,3 | 15,7 | 47,6 | 60,3 | 4 | 15,9 | 0,500 |
| 3/4" | 98,4 | 12,7 | 42,9 | 38,1 | 26,7 | 20,8 | 52,4 | 69,8 | 4 | 15,9 | 0,700 |
| 1" | 107,9 | 14,3 | 50,8 | 49,2 | 33,5 | 26,7 | 55,6 | 79,4 | 4 | 15,9 | 1,100 |
| 1 1/4" | 117,5 | 15,9 | 63,5 | 58,8 | 42,2 | 35,1 | 57,1 | 88,9 | 4 | 15,9 | 1,500 |
| 1 1/2" | 127,0 | 17,5 | 73,0 | 65,1 | 48,3 | 40,9 | 61,9 | 98,4 | 4 | 15,9 | 1,800 |
| 2" | 152,4 | 19,0 | 92,1 | 77,8 | 60,3 | 52,6 | 63,5 | 120,6 | 4 | 19,0 | 2,700 |
| 2 1/2" | 177,8 | 22,2 | 104,8 | 90,5 | 73,1 | 62,7 | 69,8 | 139,7 | 4 | 19,0 | 4,400 |
| 3" | 190,5 | 23,8 | 127,0 | 107,9 | 88,9 | 78,0 | 69,8 | 152,4 | 4 | 19,0 | 5,200 |
| 3 1/2" | 215,9 | 23,8 | 139,7 | 122,2 | 101,6 | 90,2 | 71,4 | 177,8 | 8 | 19,0 | 6,400 |
| 4" | 228,6 | 23,8 | 157,2 | 134,9 | 114,3 | 102,4 | 76,2 | 190,5 | 8 | 19,0 | 7,500 |
| 5" | 254,0 | 23,8 | 185,7 | 163,5 | 141,2 | 128,3 | 88,9 | 215,9 | 8 | 22,2 | 9,200 |
| 6" | 279,4 | 25,4 | 215,9 | 192,1 | 168,4 | 154,2 | 88,9 | 241,3 | 8 | 22,2 | 11,000 |
| 8" | 342,9 | 28,6 | 269,9 | 246,1 | 219,1 | 202,7 | 101,6 | 298,4 | 8 | 22,2 | 18,300 |
| 10" | 406,4 | 30,2 | 323,8 | 304,8 | 273,0 | 254,5 | 101,6 | 361,9 | 12 | 25,4 | 25,000 |
| 12" | 482,6 | 31,7 | 381,0 | 365,1 | 323,8 | 304,8 | 114,3 | 431,8 | 12 | 25,4 | 39,000 |
| 14" | 533,4 | 34,9 | 412,7 | 400,0 | 355,6 | 336,5 | 127,0 | 476,2 | 12 | 28,6 | 51,000 |
| 16" | 596,9 | 36,5 | 469,9 | 457,2 | 406,4 | 387,3 | 127,0 | 539,7 | 16 | 28,6 | 60,000 |
| 18" | 635,0 | 39,7 | 533,4 | 504,8 | 457,2 | 438,1 | 139,7 | 577,8 | 16 | 31,7 | 71,000 |
| 20" | 698,5 | 42,9 | 584,2 | 558,8 | 508,0 | 488,9 | 144,5 | 635,0 | 20 | 31,7 | 88,000 |
| 22" | 749,3 | 46,0 | 641,2 | 609,6 | 558,8 | 539,7 | 149,2 | 692,1 | 20 | 34,9 | 102,000 |
| 24" | 812,8 | 47,6 | 692,1 | 663,6 | 609,6 | 590,5 | 152,4 | 749,3 | 20 | 34,9 | 119,000 |
| *The data "J" corresponds to the STD schedule | |||||||||||
| ANSI, ASME, ASA B16.5 300lb/sq.in. WELDING NECK FLANGE RF | |||||||||||
| ø | D | b | g | m | a | J* | h | k | Holes | l | Kg. |
| 1/2" | 95,2 | 14,3 | 34,9 | 38,1 | 21,3 | 15,7 | 52,4 | 66,7 | 4 | 15,9 | 0,900 |
| 3/4" | 117,5 | 15,9 | 42,9 | 47,6 | 26,7 | 20,8 | 57,1 | 82,5 | 4 | 19,0 | 1,500 |
| 1" | 123,8 | 17,5 | 50,8 | 54,0 | 33,5 | 26,7 | 61,9 | 88,9 | 4 | 19,0 | 1,900 |
| 1 1/4" | 133,3 | 19,0 | 63,5 | 63,5 | 42,2 | 35,1 | 65,1 | 98,4 | 4 | 19,0 | 2,600 |
| 1 1/2" | 155,6 | 20,6 | 73,0 | 69,8 | 48,3 | 40,9 | 68,3 | 114,3 | 4 | 22,2 | 3,300 |
| 2" | 165,1 | 22,2 | 92,1 | 84,1 | 60,3 | 52,6 | 69,8 | 127,0 | 8 | 19,0 | 3,600 |
| 2 1/2" | 190,5 | 25,4 | 104,8 | 100,0 | 73,1 | 62,7 | 76,2 | 149,2 | 8 | 22,2 | 5,400 |
| 3" | 209,5 | 28,6 | 127,0 | 117,5 | 88,9 | 78,0 | 79,4 | 168,3 | 8 | 22,2 | 7,400 |
| 3 1/2" | 228,6 | 30,2 | 139,7 | 133,3 | 101,6 | 90,2 | 81,0 | 184,1 | 8 | 22,2 | 8,900 |
| 4" | 254,0 | 31,7 | 157,2 | 146,0 | 114,3 | 102,4 | 85,7 | 200,0 | 8 | 22,2 | 11,900 |
| 5" | 279,4 | 34,9 | 185,7 | 177,8 | 141,2 | 128,3 | 98,4 | 234,9 | 8 | 22,2 | 16,000 |
| 6" | 317,5 | 36,5 | 215,9 | 206,4 | 168,4 | 154,2 | 98,4 | 269,9 | 12 | 22,2 | 20,200 |
| 8" | 381,0 | 41,3 | 269,9 | 260,3 | 219,1 | 202,7 | 111,1 | 330,2 | 12 | 25,4 | 31,000 |
| 10" | 444,5 | 47,6 | 323,4 | 320,7 | 273,0 | 254,5 | 117,5 | 387,3 | 16 | 28,6 | 44,300 |
| 12" | 520,7 | 50,8 | 381,0 | 374,6 | 323,8 | 304,8 | 130,2 | 450,8 | 16 | 31,7 | 64,000 |
| 14" | 584,2 | 54,0 | 412,7 | 425,4 | 355,6 | 336,5 | 142,9 | 514,3 | 20 | 31,7 | 88,000 |
| 16" | 647,7 | 57,1 | 469,9 | 482,6 | 406,4 | 387,3 | 146,0 | 571,5 | 20 | 34,9 | 113,000 |
| 18" | 711,2 | 60,3 | 533,4 | 533,4 | 457,2 | 438,1 | 158,7 | 628,6 | 24 | 34,9 | 134,000 |
| 20" | 774,7 | 63,5 | 584,2 | 587,4 | 508,0 | 488,9 | 161,9 | 685,8 | 24 | 34,9 | 171,000 |
| 22" | 838,2 | 66,7 | 641,2 | 641,2 | 558,8 | 539,7 | 165,1 | 742,9 | 24 | 41,3 | 195,000 |
| 24" | 914,4 | 69,8 | 692,1 | 701,7 | 609,6 | 590,5 | 168,3 | 812,8 | 24 | 41,3 | 238,000 |
| *The data "J" corresponds to the STD schedule | |||||||||||
| ANSI/ASME/ASA B16.5 600lb/sq.in. WELDING NECK FLANGE RF | |||||||||||
| ø | D | b | g | m | a | J* | h | k | Holes | l | Kg. |
| 1/2" | 95,2 | 14,3 | 34,9 | 38,1 | 21,3 | 15,7 | 52,4 | 66,7 | 4 | 15,9 | 0,900 |
| 3/4" | 117,5 | 15,9 | 42,9 | 47,6 | 26,7 | 20,9 | 57,1 | 82,5 | 4 | 19,0 | 1,500 |
| 1" | 123,8 | 17,5 | 50,8 | 54,0 | 33,5 | 26,7 | 61,9 | 88,9 | 4 | 19,0 | 1,900 |
| 1 1/4" | 133,3 | 20,6 | 63,5 | 63,5 | 42,2 | 35,0 | 66,7 | 98,4 | 4 | 19,0 | 2,600 |
| 1 1/2" | 155,6 | 22,2 | 73,0 | 69,8 | 48,3 | 40,9 | 69,8 | 114,3 | 4 | 22,2 | 3,300 |
| 2" | 165,1 | 25,4 | 92,1 | 84,1 | 60,3 | 52,6 | 73,0 | 127,0 | 8 | 19,0 | 4,700 |
| 2 1/2" | 190,5 | 28,6 | 104,8 | 100,0 | 73,1 | 62,7 | 79,4 | 149,2 | 8 | 22,2 | 6,500 |
| 3" | 209,5 | 31,7 | 127,0 | 117,5 | 88,9 | 78,0 | 82,5 | 168,3 | 8 | 22,2 | 8,700 |
| 3 1/2" | 228,6 | 34,9 | 139,7 | 133,3 | 101,6 | 90,1 | 85,7 | 184,1 | 8 | 25,4 | 11,200 |
| 4" | 273,0 | 38,1 | 157,2 | 152,4 | 114,3 | 102,4 | 101,6 | 215,9 | 8 | 25,4 | 18,100 |
| 5" | 330,2 | 44,4 | 185,7 | 188,9 | 141,2 | 128,2 | 114,3 | 266,7 | 8 | 28,6 | 30,500 |
| 6" | 355,6 | 47,6 | 215,9 | 222,2 | 168,4 | 154,2 | 117,5 | 292,1 | 12 | 28,6 | 36,200 |
| 8" | 419,1 | 55,6 | 269,9 | 273,0 | 219,1 | 202,7 | 133,3 | 349,2 | 12 | 31,7 | 56,500 |
| 10" | 508,0 | 63,5 | 323,8 | 342,9 | 273,0 | 254,5 | 152,4 | 431,8 | 16 | 34,9 | 91,000 |
| 12" | 558,8 | 66,7 | 381,0 | 400,0 | 323,8 | 304,8 | 155,6 | 488,9 | 20 | 34,9 | 105,000 |
| 14" | 603,2 | 69,8 | 412,7 | 431,8 | 355,6 | * | 165,1 | 527,0 | 20 | 38,1 | 125,000 |
| 16" | 685,8 | 76,2 | 469,9 | 495,3 | 406,4 | 177,8 | 603,2 | 20 | 41,3 | 178,000 | |
| 18" | 742,9 | 82,5 | 533,4 | 546,1 | 457,2 | 184,1 | 654,0 | 20 | 44,4 | 261,000 | |
| 20" | 812,8 | 88,9 | 584,2 | 609,6 | 508,0 | 190,5 | 723,9 | 24 | 44,4 | 268,000 | |
| 22" | 869,9 | 95,2 | 641,2 | 666,7 | 558,8 | 196,8 | 777,9 | 24 | 47,6 | 328,000 | |
| 24" | 939,8 | 101,6 | 692,1 | 717,5 | 609,6 | 203,2 | 838,2 | 24 | 50,8 | 380,000 | |
| *The data "J" corresponds to the STD schedule | |||||||||||
| To be specifiedby customer | |||||||||||
