Semih Metals, located in Istanbul, Turkey, is a top manufacturer and supplier of high-quality Stainless Steel 904L Square Bars and Rods. With decades of experience in the steel industry, the company has earned a strong reputation for providing precisely engineered products that meet international standards. Stainless Steel 904L is a premium austenitic grade known for its excellent resistance to corrosion, especially in tough environments like seawater and acidic conditions. Semih Metals guarantees consistent quality, durability, and prompt delivery, making it a reliable partner for industries that need trustworthy stainless steel solutions around the world.
Stainless Steel 904L Square Bars and Rods contain iron, 19–23% chromium, 23–28% nickel, 4–5% molybdenum, 1–2% copper, and low carbon content. This special mix improves resistance to stress corrosion cracking, pitting, and crevice corrosion. With a tensile strength of about 490–710 MPa, yield strength of 220 MPa, and elongation of 35%, 904L offers excellent toughness and weldability. The combination of high alloying elements ensures durability in challenging chemical environments, making it a trustworthy material for both structural and process-based applications.
| Specifications | : | ASTM A276, ASME SA276 / ASTM A479 ASME SA479 |
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| SS 904L Square Bars | : | Outside Diameter in the range of 4mm to 500mm |
| SS 904L Square Bars | : | 18mm ” 47mm (11/16″ to 1-3/4″) |
| Finish | : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | : | 1 to 6 Meters, Custom Cut Lengths |
| Form | : | Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu | |
| SS 904L | Min | – | – | – | – | – | 19 | 4 | 23 | 1 |
| Max | 0.02 | 2 | 1 | 0.045 | 0.035 | 23 | 5 | 28 | 2 |
| Grade | Tensile strength (MPa) | Yield Strength 0.2% Proof(MPa) | Elongation (% in 50mm) | Hardness – Brinell |
| 904L | 490 | 220 | 36 | 70-150 |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | EN | EURONORM NAME |
| SS 904L | 1.4539 | N08904 | – | 904S13 | – | X1NiCrMoCuN25-20-5 |
| SQUARES | ||
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.62 | 2.05 |
| 18 | 0.79 | 2.59 |
| 20 | 0.76 | 2.49 |
| 22 | 1.18 | 3.87 |
| 25 | 1.52 | 5.00 |
| 28 | 1.91 | 6.27 |
| 30 | 2.19 | 7.20 |
| 32 | 2.50 | 8.19 |
| 36 | 3.16 | 10.37 |
| 38 | 3.52 | 11.55 |
| 40 | 3.90 | 12.80 |
| 45 | 4.94 | 16.20 |
| 50 | 6.10 | 20.00 |
| 56 | 7.65 | 25.08 |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Yes, we provide stainless steel 904L square bars and rods in standard and customized dimensions and polishes to meet your specific project requirements. For more details mail us on sales@semihmetal.com
Stainless Steel 904L Square Rods are known for their exceptional corrosion resistance, high strength, and excellent weldability, making them ideal for harsh environments. They also exhibit good formability, durability, and resistance to pitting and crevice corrosion.
Yes, Stainless Steel 904L Square Bars can be recycled after use. Their high nickel and chromium content make them valuable for recycling, reducing waste and conserving resources.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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