Nakamura Stainless is a well-respected manufacturer and supplier based in Pulau Ujong, Singapore, focusing on high-quality stainless steel products for a variety of industrial uses. One of their standout products is the Stainless Steel 904L Flanges, which are crafted to offer exceptional corrosion resistance, durability, and strength, especially in harsh environments. These flanges are built to comply with international standards, guaranteeing top-notch performance when it comes to connecting, sealing, and supporting piping systems. Thanks to their impressive weldability and toughness, Stainless Steel 904L Flanges from Nakamura Stainless are a popular choice in sectors like oil and gas, chemical processing, pharmaceuticals, and marine engineering, where reliability and longevity are key.
The composition of Stainless Steel 904L Flanges includes low-carbon, high-alloy austenitic stainless steel, featuring nickel (23–28%), chromium (19–23%), molybdenum (4–5%), and copper (1–2%). This unique blend gives them remarkable resistance to reducing acids such as sulfuric acid, along with protection against pitting, crevice corrosion, and chloride-induced stress corrosion cracking. They boast a tensile strength of around 490 MPa, a yield strength of 220 MPa, and an elongation of 35%. Their non-magnetic properties, high toughness, and excellent weldability make them perfect for critical and corrosive industrial applications.
| 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 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.
Stainless Steel 904L Flanges are widely utilized in industries that demand reliable performance in tough conditions. They are particularly suited for chemical and petrochemical plants, offshore and onshore oil and gas systems, and marine settings where resistance to seawater and chlorides is vital. The pharmaceutical and food sectors also rely on these flanges for hygienic and durable piping connections. Additionally, they find extensive use in heat exchangers, condensers, pressure vessels, and the paper and pulp industries. With their long lifespan and outstanding corrosion resistance, these flanges are a trustworthy option for challenging applications.
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