Harsh Metalloys, Mumbai, India, is a well-known manufacturer and supplier of high-quality stainless steel 904L bars. With their superior corrosion resistance and tensile strength, our 904L bars are specifically suited for critical industrial applications of severe chemical and acidic exposure. The bars are produced to international standards with superior weldability, resistance, and surface finish. Harsh Metalloys exports SS 904L bars in different sizes and specifications to various industries like chemical processing, marine, oil & gas, pharmaceuticals, and power generation. We undertake to deliver high-performance materials with stable quality and timely dispatch across the globe.
Stainless steel 904L bars consist of high concentrations of chromium (19–23%), nickel (23–28%), molybdenum (4–5%), and minor additions of copper (1–2%) and carbon (max 0.02%). This alloy offers excellent resistance to crevice corrosion, pitting, and stress corrosion cracking. Its mechanical properties consist of a tensile strength of approximately 490–710 MPa, great toughness, and good formability. The bars are not magnetic when annealed and maintain strength and resistance to corrosion even under harsh conditions. Harsh Metalloys guarantees precision machining and rigid quality control for enhanced dimensional accuracy and performance.
| Standards | ASTM / ASME |
| Designation | B 649, SB 649 |
| Grade | 904L Round Bars and Rods 904L Round Bars and Rods: ASTM B 649, ASME SB 649 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
|---|---|---|---|---|---|---|---|---|---|
| SS 904L | 0.020 max | 2 max | 1 max | 0.040 max | 0.030 max | 19.0-23.0 | 4.0-5.0 max | 23.00 – 28.00 | 1.0-2.0 |
| 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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At Harsh Metalloys, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 904L bars in India, Mumbai. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Mumbai, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.
We’re talking about corrosion-resistant round bars that boast impressive strength and formability, making them perfect for marine, chemical, and high-temperature industrial uses.
Then there are flat bars that excel in resisting acids and chloride environments, commonly found in structural, fabrication, and processing equipment.
Square bars are another great option, offering high strength and corrosion resistance, making them ideal for construction, machining, and components that need to withstand tough industrial conditions.
Rectangular bars are specifically designed for structural support and framing in corrosive settings, frequently utilized in the chemical and marine sectors.
Hexagonal bars shine with their excellent machinability and durability, making them perfect for fasteners, fittings, and precision components that come into contact with aggressive chemicals.
Lastly, T-shaped bars are engineered for structural applications, delivering high corrosion resistance and strength in offshore, marine, and industrial environments.
904L stainless steel bars find extensive application in industries where there is a high requirement of extreme corrosion resistance. Typical applications encompass heat exchanger tubes, condenser tubes, chemical processing equipment, seawater cooling equipment, and components in oil refineries. The corrosion resistance of the alloy against sulfuric, phosphoric, and acetic acids makes the alloy particularly suitable for fertilizer, pulp & paper, and pharmaceutical industries. SS 904L bars are also employed in marine engineering and pollution control devices because of resistance towards chloride-rich conditions. Harsh Metalloys offers bar lengths and finishes as per customized requirements to provide exact specifications for critical and high-performance engineering applications.
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