Stainless Steel 904L bars are a high-performance alloy renowned for its exceptional corrosion resistance and durability in extreme environments. Comprising a high percentage of nickel and chromium, along with additions of molybdenum and copper, Stainless Steel 904L exhibits superior resistance to various corrosive media, including sulfuric acid, acetic acid, and other harsh chemicals. This makes it a preferred material in industries such as chemical processing, oil and gas, pharmaceuticals, and more.
One of the key features of Stainless Steel 904L bars is their resistance to corrosion in both reducing and oxidizing environments. The high nickel content provides excellent resistance to chloride stress corrosion cracking, making it suitable for applications in marine environments where exposure to saltwater is a concern. This corrosion resistance extends the service life of components made from 904L, resulting in reduced maintenance costs and improved reliability.
The addition of copper to Stainless Steel 904L enhances its resistance to sulfuric acid and other reducing acids. This makes it an ideal choice for equipment and components in industries where corrosive chemicals are prevalent. The alloy's resistance to pitting and crevice corrosion further adds to its suitability for use in aggressive environments.
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Stainless Steel 904L bars are known for their high strength and toughness, even at elevated temperatures. This makes them suitable for applications that involve exposure to extreme conditions, such as high temperatures and pressures. The material retains its mechanical properties over a wide range of temperatures, ensuring reliable performance in challenging operating environments.
In addition to its corrosion resistance and mechanical properties, Stainless Steel 904L is also easily fabricated and welded. This makes it a versatile material for the manufacturing of various components, including bars used in different industrial applications. The alloy can be machined, stamped, and forged to meet specific requirements, offering flexibility in design and construction.
The applications of Stainless Steel 904L bars are diverse, ranging from construction and architecture to chemical processing and oil refining. They are commonly used in the production of heat exchangers, pressure vessels, piping systems, and other critical components that demand high corrosion resistance and durability.
ASTM A276, ASTM A479, AMS 5513, AMS 5511, AMS 5647
EN, DIN, JIS, ASTM, BS, ASME, AISI
3 ~ 800mm
H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements
Hex Bar Size:- 2-100mm A/F
Flat Bar Size:- Thickness: 2 -100mm, Width: 10 to 500mm.
Square Bar Size:- 4 to 100mm
Rectangular Bar Size:- 33 x 30mm to 295 x 1066mm, Thickness: 3.0 to 12.0mm.
Hollow Bar Size:- 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Half Round Bar, Forged Hex bars, Forged Square Bars etc.
| STANDARD | WERKSTOFF NR. | UNS | JIS | KS | BS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | STS 317J5L | 904S13 | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
| 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% |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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