Stainless Steel 904L Bars are made from a high-alloy austenitic stainless steel that’s enriched with chromium, nickel, molybdenum, and copper, providing exceptional resistance to corrosion, pitting, and acidic environments. These bars boast impressive mechanical properties, including high tensile strength, excellent toughness, and remarkable resistance to stress corrosion cracking. Their low carbon content helps to prevent intergranular corrosion while enhancing weldability. SS 904L remains stable under high temperatures and harsh conditions, ensuring long-lasting durability and reliable performance in demanding mechanical and chemical applications.
| 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 Niazi Stainless, we are proud to be the largest supplier, manufacturer, and exporter of Stainless Steel 904L bars in Manama, Bahrain. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Bahrain, 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.
904L round bars offer high resistance to corrosion and oxidation, ideal for harsh environments in chemical processing, marine, and pharmaceutical industries, providing durability and strength.
904L flat bars provide exceptional resistance to pitting and crevice corrosion, suitable for use in aggressive environments like chemical processing and marine applications, ensuring robust performance and longevity.
904L square bars deliver superior corrosion resistance and strength, perfect for structural applications in corrosive environments, such as chemical plants and marine environments, offering durability and reliability.
904L rectangular bars are designed for high corrosion resistance and strength, used in chemical processing, marine, and industrial applications, where durability and performance under harsh conditions are required.
904L hexagonal bars provide excellent corrosion resistance and are used in structural and mechanical applications, particularly in aggressive environments such as chemical processing and marine settings.
904L T-bars offer superior resistance to corrosion and high strength, ideal for structural support in corrosive environments like chemical plants and marine applications, ensuring long-lasting performance and reliability.
Niazi Stainless is a leading supplier, and stockist of high-quality stainless steel 904L bars in Manama, Bahrain. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
Stainless Steel 904L Bars find extensive use in industries that require outstanding corrosion resistance and high mechanical strength. They are commonly utilized in chemical processing plants, petrochemical units, and fertilizer industries where harsh acids are frequently encountered. Marine engineering, offshore platforms, and desalination systems also depend on these bars due to their robust resistance to chloride-induced corrosion. Additionally, SS 904L bars are employed in pharmaceutical equipment, heat exchangers, pulp and paper machinery, and oil and gas systems. Their durability, high-temperature resilience, and reliability make them the go-to choice for critical structures.







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