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Based in the industrious city of Hamilton, Will Sheetsandplates has established itself as a trusted name for high-performance metals. We specialise in providing top-quality Stainless Steel 904L sheets and plates, offering a reliable source for this super austenitic alloy. Our team understands the critical demands of various sectors, which is why we are committed to supplying material that meets the most stringent specifications. We pride ourselves on being more than just a supplier; we are a local partner dedicated to supporting New Zealand’s engineering and fabrication projects with superior products and expert service.
The exceptional quality of Stainless Steel 904L stems from its sophisticated composition, which features high levels of chromium, nickel, and molybdenum, along with a significant copper content. This unique blend gives the alloy its remarkable resistance to a very wide range of corrosive environments, particularly sulfuric acid. It also possesses excellent mechanical strength and toughness, making it a durable and reliable choice for demanding applications. This combination of properties ensures that components made from 904L can withstand harsh conditions while maintaining their structural integrity over long periods.
| Specification | ASTM B 906/ASME SB 906, ASME Code Cases 1827 and N-253, SAE/AMS 5540, BS 3072NA14 and 3073NA14, DIN 17750, ISO 6208, EN 10095, MIL-DTL-23228. |
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| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard |
| standards and approvals |
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| Plasma profiles | As per customer’s drawings |
| Value added services | Laser cutting, Waterjet cutting, Plasma cutting, Bending and mechanical processing, edge preparation, welding, sawing and shearing. |
| VAS |
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| Packing | Bundles with waterproof cloth outside or plywood box |
| Test | UT, SGS testing, TUV etc |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.00 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 – 2.00 |
| 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 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 904L Sheets & Plates offer outstanding corrosion resistance, especially in acidic and chloride-rich environments, thanks to their high Chromium, Nickel, and Molybdenum content. They resist pitting, crevice corrosion, and stress corrosion cracking, ensuring long-lasting performance in harsh conditions. These sheets exhibit excellent weldability, formability, and superior tensile strength, making them suitable for complex applications. Their low carbon content minimizes carbide precipitation, enhancing durability. Additionally they are highly versatile, supporting use in chemical processing, marine engineering, and pollution control equipment, providing reliable solutions for demanding industrial requirements.
| 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 sheets and plates are indispensable in industries where failure is not an option. You’ll commonly find this material in the core components of chemical processing plants, pharmaceutical manufacturing equipment, and pollution control scrubbers. Its superb corrosion resistance also makes it the preferred choice for constructing storage tanks and pipelines in the oil and gas sector. Furthermore, its durability is invaluable in architectural applications for coastal structures and in the pulp and paper industry, proving its versatility across a broad spectrum of challenging environments.
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