Semih Metals, located in Istanbul, Turkey, is a reliable manufacturer and supplier of Stainless Steel 304L Forgings. They pride themselves on delivering top-notch stainless steel products that are built to withstand corrosion, offer strength, and ensure durability. Using advanced forging techniques and rigorous quality control, these forgings boast impressive dimensional accuracy, structural integrity, and a long lifespan. Semih Metals guarantees that their Stainless Steel 304L Forgings meet the needs of various industries, including chemical processing, food and beverage, marine, pharmaceutical, and construction, where dependability, hygiene, and resistance to corrosive environments are crucial.
The composition of Stainless Steel 304L Forgings primarily includes iron, chromium (18–20%), and nickel (8–12%), with a very low carbon content of ≤0.03%. This low carbon content not only enhances weldability but also minimizes the risk of carbide precipitation during welding, which in turn boosts resistance to intergranular corrosion. On the mechanical side, 304L offers excellent tensile and yield strength, good ductility, and toughness, while maintaining stability across a wide temperature range. Its well-balanced composition ensures both durability and reliability, whether in standard or challenging service conditions.
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Standard | DIN, ASTM, BS and all International Standards |
| Flat bar blocks | up to 27″ width and 15,000 lbs |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 13 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304L | 1.4306 / 1.4307 | S30403 | SUS 304L | 3304S11 | 03Х18Н11 | Z3CN18‐10 | X2CrNi18-9 / X2CrNi19-11 |
Post-forging operations for Stainless Steel 304L include heat treatment, machining, surface finishing, and testing to ensure optimal strength, dimension accuracy, and corrosion resistance.
To determine if Stainless Steel 304L forgings meet your needs, review material certifications, perform quality checks, and ensure they meet required mechanical properties and dimensional standards.
After Stainless Steel 304L forgings, slow cooling in air or controlled environments is recommended to prevent cracking and ensure uniform grain structure and mechanical properties.
Stainless Steel 304L Forgings find extensive use in industries that demand corrosion resistance and mechanical reliability. They are often utilized in piping systems, flanges, valves, fittings, food processing equipment, marine components, and pharmaceutical machinery. Furthermore, they play a vital role in chemical processing plants, architectural structures, and pollution control systems, where hygiene, corrosion resistance, and durability are paramount. With their unique blend of weldability, strength, and resistance to corrosion, Stainless Steel 304L Forgings deliver long-lasting performance across a variety of industrial, structural, and marine applications.






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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