Hemi Metals, located in Hamilton, New Zealand, is a reputable manufacturer and supplier of top-notch Stainless Steel 904L Bars and Rods, designed to perform reliably in tough industrial settings. The company is well-regarded for providing materials that can handle aggressive corrosion and high stress, emphasizing precision manufacturing, rigorous quality control, and adherence to global standards. Their Stainless Steel 904L Bars and Rods are the go-to choice in sectors like chemical, petrochemical, marine, and high-temperature applications where standard stainless steels just won’t cut it. With a strong focus on durability, integrity, and customer satisfaction, Hemi Metals guarantees that every bar and rod meets the highest industry standards, delivering dependable solutions for complex engineering challenges.
Stainless Steel 904L Bars and Rods are crafted with high levels of chromium, nickel, molybdenum, and copper, which boost their resistance to strong reducing acids, pitting, and crevice corrosion. The typical composition features 19–23% chromium, 23–28% nickel, 4–5% molybdenum, and 1–2% copper, along with low carbon content to avoid carbide precipitation. Mechanically, these bars and rods provide excellent tensile strength, toughness, and hardness, even in harsh, chloride-rich environments. The alloy maintains its structural integrity at elevated temperatures, offers good weldability and formability, and ensures long-lasting performance where superior corrosion resistance is crucial.
| Grade | SS 904L – UNS N08904 |
|---|---|
| Specification | ASTM A276 UNS N08904, WS 1.4539, AFNOR Z2CNDU 25-20 |
| Round bar size | Diameter: 3-~800mm |
| Hex Bar size | 2-100mm A/F |
| Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Square bar size | 4 to 100mm |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Section | 3.0 to 12.0mm thickness |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 904Lmm ID) |
| Billet Size | 1/2″ to 495mm Diameter |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Round Bar Standard Dimensions | Diameter / Height: |
| Finish | Cold (bright) drawn, centreless ground,smooth turned, peeled, slit rolled edge, hot rolled, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Condition | Hardened & tempered, annealed |
| Technique | Stainless Steel 904L Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| Processing | Bar cutting to 650mm |
| Form | Stainless Steel 904L Welding Rod, Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Our stockyad location for fast delivery across India | Coimbatore, Bhubaneswar, Ahmedabad, Bengaluru, Thiruvananthapuram, Agra, Chennai, Noida, Mumbai, Shivamogga, Dhanbad, Hyderabad, Tiruchirappalli, Tirunelveli, Pune, Pimpri-Chinchwad, Navi Mumbai |
| Our Stainless Steel 904L Round bar conforms to NACE MR0175/ISO 15156 | |
| 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% |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Stainless Steel 904L is a high-alloy, corrosion-resistant material that contains significant amounts of nickel, chromium, and molybdenum. It is designed for use in highly corrosive environments, offering excellent resistance to acids, particularly sulfuric acid, and chloride corrosion. It is commonly used in chemical processing, marine, and pharmaceutical industries.
The key benefits of Stainless Steel 904L Bars and Rods include exceptional resistance to corrosion, excellent weldability, and good formability. These properties make them ideal for applications in aggressive chemical environments, marine applications, and other high-performance settings.
Stainless Steel 904L Bars and Rods are widely used in industries such as chemical processing, petrochemical, power generation, and marine environments. They are ideal for fabricating equipment like heat exchangers, reactors, pipes, and pollution control systems, where high resistance to corrosion and acid is crucial.
Stainless Steel 904L Bars and Rods find extensive use in industries that demand exceptional corrosion resistance and stability under extreme conditions. They are commonly found in chemical processing plants, heat exchangers, seawater equipment, oil and gas refineries, and pollution control systems. Their robust resistance to sulfuric acid makes them perfect for fertilizer plants and components that handle acids. In marine engineering, they are utilized for shafts, fasteners, and structural parts that are exposed to saltwater.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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