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Yunus Sheets and Plates, based in Istanbul, Turkey, stands out as a leading manufacturer and supplier of Stainless Steel 904L Sheets and Plates. They pride themselves on delivering top-notch products that are designed for outstanding corrosion resistance, strength, and durability. Crafted with cutting-edge manufacturing techniques and rigorous quality control, these sheets and plates promise reliable performance even in the toughest industrial settings. Yunus Sheets and Plates is committed to ensuring precision, dependability, and a long service life with every item they produce. Their Stainless Steel 904L Sheets and Plates find extensive use in the chemical, petrochemical, marine, and power generation sectors, excelling in highly corrosive environments while maintaining structural integrity and operational efficiency.
These sheets and plates are made from a high-alloy austenitic stainless steel that contains about 20–23% chromium, 25–28% nickel, 4–5% molybdenum, along with trace amounts of copper and manganese. This unique blend offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in harsh chemical settings. On the mechanical side, they boast a tensile strength ranging from 500 to 700 MPa, good yield strength, and moderate hardness, paired with excellent ductility. Additionally, Stainless Steel 904L Sheets and Plates are known for their superior weldability and formability, making them ideal for industrial applications that demand strength, corrosion resistance, and reliability in challenging conditions.
| 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 |
These sheets and plates are widely utilized in industries where high corrosion resistance, mechanical performance, and reliability are crucial. In the chemical and petrochemical sectors, they are commonly found in reactors, heat exchangers, storage tanks, and piping systems that handle strong acids and corrosive substances. In marine applications, they are used for equipment exposed to seawater, shipbuilding, and offshore platforms. They also play a vital role in power generation, pharmaceuticals, and food processing industries.
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