Stainless Steel 347 Forgings contain chromium (17–20%) and nickel (9–13%), with columbium and tantalum stabilization to avoid carbide precipitation upon exposure to elevated temperatures. The combination leads to improved resistance to intergranular corrosion and oxidation. On the mechanical front, the forgings possess high tensile strength, good creep strength, stress rupture resistance, and superior toughness even in severe service conditions. Their metallurgical stability ensures long-term dependability in services with prolonged heating and cooling cycles.
| 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 have limitations in extreme temperatures above 1600°F (870°C), susceptibility to stress corrosion cracking in chloride environments, and reduced formability compared to some other stainless steel grades.
The forging temperature range for Stainless Steel 347 is typically between 2100°F (1149°C) and 2200°F (1204°C). It ensures optimal grain structure and mechanical properties for high-performance applications.
Stainless Steel 347 forgings require minimal maintenance, primarily periodic cleaning to remove contaminants. Regular inspection for corrosion or wear is recommended, along with ensuring proper lubrication for moving parts in harsh environments.
Stainless Steel 347 Forgings are extensively utilized in chemical processing, oil and gas, power generation, and aerospace sectors because of their capacity to sustain harsh operating conditions. They are used in components for heat exchangers, pressure vessels, boiler fittings, furnace parts, and piping systems which are subject to high-temperature exposure. Their resistance to sensitization makes them ideal for welded equipment and structures in petrochemical and refinery facilities. In addition, these forgings find applications in food processing hardware and aircraft parts where high durability and resistance to corrosion are critical. SS 347 Forgings exhibit long-term performance and dependability in rigorous applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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