Hemi Metals, a reputable manufacturer and supplier located in Hamilton, New Zealand, specializes in high-quality Stainless Steel 304 Forgings tailored to meet the needs of various industrial and engineering applications. These forgings are crafted using cutting-edge forging techniques and rigorous quality control measures, guaranteeing exceptional strength, precision, and long-lasting durability. Renowned for their impressive corrosion resistance, toughness, and polished finish, SS 304 Forgings are perfect for both structural and mechanical components. Hemi Metals remains committed to delivering reliable stainless steel solutions that adhere to international standards, providing customers with durable, high-performance products that excel in challenging environments and critical applications.
Stainless Steel 304 Forgings primarily consist of chromium and nickel, along with carefully controlled amounts of carbon, manganese, and silicon that enhance their robust mechanical properties. This austenitic grade is celebrated for its excellent corrosion resistance, good tensile and yield strength, and remarkable toughness across a wide temperature range. The forging process refines the grain structure, boosting strength and fatigue resistance. SS 304 holds its stability under moderate heat and stress, while its superior weldability and formability make it ideal for precision-engineered components that demand long-term performance.
| 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 |
Yes, Stainless Steel 304 forgings can be customized into various shapes through precise forging techniques, offering flexibility for different industrial applications and design requirements.
The ideal temperature range for forging Stainless Steel 304 is between 2100°F to 2300°F (1149°C to 1260°C) to ensure optimal malleability and strength.
The forging process for Stainless Steel 304 typically takes anywhere from a few minutes to several hours, depending on the complexity, size, and shape of the component being forged.
Stainless Steel 304 Forgings find extensive use across industries that require durable, corrosion-resistant, and high-strength components. They’re commonly found in valves, flanges, shafts, fittings, and pump components due to their structural integrity and reliability. In the food, beverage, and pharmaceutical sectors, they are prized for their hygienic properties and ease of cleaning. The chemical and petrochemical industries utilize SS 304 Forgings in equipment that faces mildly corrosive environments. Additionally, they are employed in marine hardware, architectural components, automotive parts, and general engineering applications. Their versatility, durability, and exceptional performance make them a go-to choice for many industries.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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