At Mitchell Stainless in Hamilton, New Zealand, we supply premium stainless steel flanges engineered for durability, corrosion resistance, and reliable performance. Our Stainless Steel 304 Flanges are made from austenitic stainless steel, offering excellent resistance to oxidation and general corrosion. Ideal for industrial, chemical, and food-grade piping systems, these flanges provide secure connections and long-term service life. Supported by Mitchell Stainless’ commitment to quality and local expertise, 304 flanges deliver dependable performance for projects requiring corrosion-resistant, mechanically strong, and versatile stainless steel components suitable for a wide range of engineering and industrial applications.
Stainless Steel 304 Flanges are manufactured from an austenitic stainless steel alloy containing chromium and nickel. This composition provides good tensile strength, toughness, and excellent corrosion resistance in various environments. The flanges maintain dimensional stability, mechanical integrity, and resistance to oxidation under standard service conditions. Stainless Steel 304 offers non-magnetic properties in the annealed condition and performs reliably in fabrication, welding, and installation processes. These properties make 304 flanges ideal for industrial piping systems, structural applications, and other scenarios requiring durable, corrosion-resistant stainless steel components.
| 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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Mitchell Stainless 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 widely used in applications requiring corrosion resistance, mechanical strength, and long-term reliability. Typical uses include chemical processing plants, food and beverage systems, water treatment facilities, industrial piping systems, and structural assemblies. They are also suitable for connecting valves, pumps, and other equipment exposed to moisture or mild corrosive conditions. At Mitchell Stainless, we supply 304 flanges for projects demanding strong, durable, and corrosion-resistant stainless steel components. Their combination of mechanical performance, corrosion resistance, and versatility makes them a trusted choice for industrial, commercial, and engineering applications.
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