Luois Metals, located in Houston, USA, is a reliable manufacturer and supplier of top-notch Stainless Steel 304 Forgings, providing precision-engineered components for a wide array of industrial, mechanical, and structural uses. Stainless Steel 304 (UNS S30400) is an austenitic chromium-nickel stainless steel celebrated for its outstanding corrosion resistance, formability, and weldability. At Luois Metals, we craft 304 forgings in various shapes, including flanges, rings, blocks, shafts, and custom components, all while adhering to global standards like ASTM A182. Our forgings are perfect for applications in chemical processing, food handling, marine equipment, and general engineering.
Stainless Steel 304 Forgings generally consist of 18–20% chromium and 8–10.5% nickel, with a low carbon content that boosts corrosion resistance. This alloy boasts a tensile strength of about 515–750 MPa, a yield strength of 205 MPa, and impressive elongation and toughness, even in low temperatures. 304 maintains its mechanical integrity in mildly acidic and oxidizing environments, making it suitable for a variety of applications. It also demonstrates good resistance to intergranular corrosion, pitting, and stress corrosion cracking, especially when properly heat-treated and fabricated.
| 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 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | – |
| (UNS) | Tensile Strength (MPa) ≥ | Yield Strength ≥ (MPa) at 0.2% Offset | Elongation in 50 mm (%, ≥) | Reduction of Area, %, ≥ | Brinell Hardness (HBW) ≤ | Rockwell Hardness (HRBW) ≤ | Product | Condition |
| 304 (UNS S30400) | 515 | 205 | 40 | – | 201 | 92 | Plate, Sheet, and Strip | – |
| 515 | 205 | 40 | 50 | – | – | Bars and Shapes | Hot finished | |
| 620 | 310 | 30 | 40 | – | – | Cold finished, Dia ≤ 12.7mm | ||
| 515 | 205 | 30 | 40 | – | – | Cold finished, Dia. > 12.7mm |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
Stainless Steel 304 Forgings find extensive use in industries that demand a blend of corrosion resistance, strength, and ease of fabrication. Common applications include valves, pipe fittings, pressure vessels, pumps, heat exchanger components, and food processing equipment. In sectors like chemical, petrochemical, marine, and pharmaceuticals, 304 forgings are prized for their resistance to oxidation, chloride attack, and general corrosion. They’re also used in architectural structures, commercial kitchens, and dairy systems, thanks to their hygienic properties and durability. The forging process enhances the grain structure and mechanical properties, ensuring top performance in various settings.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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