Njabulo Stainless, located in Cape Town, South Africa, stands out as a top manufacturer and supplier of Stainless Steel 304 Flanges. Known for their durability, precision, and high-quality finish, these flanges are designed to create secure and reliable connections in industrial piping systems. Built to meet strict international standards, they boast excellent corrosion resistance, strength, and oxidation resistance. Commonly used in the chemical, petrochemical, power generation, and marine industries, 304 flanges promise long-lasting performance. Njabulo Stainless delivers flanges that blend superior mechanical stability with reliability, making them a go-to choice for engineers and professionals in demanding industrial settings.
Stainless Steel 304 Flanges are crafted from austenitic stainless steel, containing 18–20% chromium and 8–12% nickel. This unique blend guarantees exceptional corrosion resistance, durability, and mechanical strength. Typically, these flanges exhibit a tensile strength ranging from 520–750 MPa and a yield strength of 205–310 MPa. With remarkable ductility, toughness, and thermal stability, they maintain their structural integrity even under mechanical stress and harsh conditions. The low carbon content enhances weldability and prevents carbide precipitation, making these flanges perfect for critical piping and industrial applications that demand high performance and reliability.
| 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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Njabulo 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 find extensive use in industrial piping systems, particularly in chemical, petrochemical, and power generation plants. They are perfect for connecting pipes, valves, pumps, and other equipment, ensuring secure and leak-proof joints. These flanges are also well-suited for marine, pharmaceutical, and food processing applications, where corrosion resistance, hygiene, and long-term reliability are crucial. Njabulo Stainless guarantees that each flange adheres to strict quality standards, providing dependable performance even in high-stress environments.
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