Stainless Steel 347 Forgings are made up of Chromium (17–20%), Nickel (9–13%), and are stabilized with Niobium (Columbium) to guard against intergranular corrosion. They also contain trace amounts of Manganese, Silicon, Carbon, Phosphorus, and Sulfur. This alloy boasts excellent high-temperature strength and creep resistance. Typical mechanical properties include a tensile strength of around 515 MPa and a yield strength of 205 MPa. These forgings maintain their structural integrity even in high-stress and high-heat situations. The addition of niobium also improves weldability and prevents carbide precipitation, making them perfect for pressure vessels and welded assemblies that operate under extreme conditions.
| Standard | ASTM A182, ASME SA182 |
| Specification | 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. |
Stainless Steel 347 Forgings find their place in a variety of applications that require resistance to heat, corrosion, and mechanical stress. They are particularly well-suited for aerospace components, exhaust manifolds, high-temperature gaskets, pressure vessels, and furnace parts. In the petrochemical and chemical processing sectors, they are utilized in reactors, heat exchangers, and piping systems where stability during thermal cycling is crucial. Their outstanding weldability and resistance to intergranular corrosion make them a top choice for demanding environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aiman Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kuala lumpur, Malaysia
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