Mitchell Stainless is a reputable manufacturer and supplier of top-notch Stainless Steel 904L Flanges based in Hamilton, New Zealand. They specialize in providing high-performance solutions tailored for tough industrial settings. These flanges are celebrated for their outstanding corrosion resistance and durability, making them perfect for the rigorous demands of chemical processing, marine engineering, and high-temperature applications. By blending cutting-edge manufacturing techniques with rigorous quality control, Mitchell Stainless ensures that each 904L flange delivers exceptional strength, reliability, and longevity. Committed to customer satisfaction and technical excellence, they offer customized flange solutions to meet a variety of project requirements both in New Zealand and beyond.
Stainless Steel 904L Flanges are crafted from a high-alloy austenitic grade that features low carbon content, along with 19–23% chromium, 23–28% nickel, 4–5% molybdenum, and a touch of copper to boost corrosion resistance. This unique blend gives them remarkable resistance to acids, pitting, and stress corrosion cracking. On the mechanical side, 904L flanges boast high tensile strength, solid yield strength, excellent toughness, and dependable performance even under high temperatures. Their non-magnetic properties and superior metallurgical stability make them a great fit for demanding industrial environments where durability, weldability, and long-lasting reliability are crucial.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series 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 | Cu |
| SS 904L | 0.020 max | 2 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
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SS 904L Slip On Flanges offer excellent corrosion resistance, high strength, and durability for industrial applications, ensuring reliable performance.
SS 904L ring type joint flanges are robust, high-corrosion-resistant components designed for high-pressure applications. They ensure a tight seal with their precision-machined grooves, ideal for extreme environments and demanding conditions.
SS 904L forged flanges are premium stainless steel fittings known for their superior strength and corrosion resistance. Ideal for high-pressure and harsh environments, they ensure reliability and durability in critical applications.
SS 904L long weld neck flanges are engineered for high-strength applications requiring extended weld connections. They offer exceptional corrosion resistance and structural integrity, making them suitable for demanding industrial environments.
SS 904L lap joint flanges are designed for flexibility and ease of assembly, featuring excellent corrosion resistance and strength. Their superior durability makes them ideal for applications in aggressive environments and high-pressure systems.
SS 904L Blind Flanges provide strong corrosion resistance, high durability, and are ideal for sealing pipe ends in demanding environments.
Each and every unit of Stainless Steel 904L Flange is well packed with high-grade substances to curb rust and damage in shipping. We hire an efficient means of transportation to ensure timely delivery to the customers since their satisfaction is top priority. Delivery happens to the clients with all necessary documentation such as certificates of compliance along with material specifications, to ensure transparency and trust.
Mitchell Stainless’s Stainless Steel 904L Flanges are extensively utilized in industries that demand exceptional corrosion resistance and durability. They shine in chemical processing plants, sulfuric acid handling systems, and pharmaceutical equipment thanks to their ability to withstand aggressive acids. In marine settings, these flanges excel in seawater applications, desalination units, and offshore structures. Additionally, they are frequently found in oil and gas pipelines, heat exchangers, food processing facilities, and high-temperature environments.







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