Harsh Metalloys, located in Mumbai, India, stands out as a leading manufacturer and supplier of top-notch Stainless Steel 304 Flanges. Renowned for their remarkable corrosion resistance, durability, and versatility, our 304 flanges are crafted to comply with global standards like ASTM, ASME, and ANSI. These flanges find extensive use across various sectors, including chemical, petrochemical, food processing, and pharmaceuticals, thanks to their ability to endure tough environments. At Harsh Metalloys, we prioritize precision engineering and rigorous quality control, offering flanges in a variety of types and sizes to meet diverse piping and industrial connection requirements around the globe.
When it comes to the composition and mechanical properties of Stainless Steel 304 Flanges, they consist of Chromium (18–20%), Nickel (8–12%), Carbon (≤0.08%), Manganese (≤2%), Silicon (≤1%), Phosphorus (≤0.045%), and Sulfur (≤0.03%). These flanges boast a tensile strength of ≥515 MPa, yield strength of ≥205 MPa, elongation of ≥40%, and hardness of ≤95 HRB. This specific composition provides outstanding corrosion resistance, strength, and excellent weldability. The well-balanced chemical and mechanical properties ensure that 304 flanges can reliably perform in a wide array of industrial applications, even in moderate temperature and corrosive settings.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Harsh Metalloys follows high-quality standards for its Stainless Steel 304 Flanges. Every flange is thoroughly tested for dimensional checks, visual inspections, and non-destructive testing such as ultrasonic and magnetic particle tests. In addition to that, the flanges are even submitted to mechanical testing in terms of tensile, hardness, and impact tests to confirm their strength and durability. All the products have the relevant certificates. They also carry material test reports (MTRs) and meet international standards. This will provide reliable performance in various industrial applications.
SS 304 long weld neck flanges are designed for high-stress applications, featuring a long tapered neck that provides a strong, continuous weld connection. They offer excellent strength and resistance to leakage.
SS 304 lap joint flanges are versatile components designed for ease of assembly and disassembly. They feature a loose fit, allowing for easy alignment and maintenance, with excellent resistance to corrosion.
SS 304 reducing flanges are used to connect pipes of different diameters, providing a smooth transition between sizes. They ensure a secure, leak-proof joint while offering strong corrosion resistance and durability.
Stainless Steel 304 Flanges are a go-to choice for connecting pipes, valves, pumps, and other equipment across a range of industries, including chemical processing, oil and gas, food and beverage, pharmaceuticals, and water treatment. Thanks to their outstanding corrosion resistance, they’re perfect for moderate temperature applications and can handle exposure to atmospheric or mild chemical environments. These flanges are particularly popular in sanitary and hygienic systems because of their non-reactive surface. You can find them in various types like weld neck, slip-on, socket weld, blind, and threaded, all designed to create secure, leak-proof joints that help maintain system integrity and longevity in diverse industrial settings.
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