309 Alloy Stainless Steel Sheet
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of 309 alloy stainless steel sheet in China. If you're going to wholesale high quality 309 alloy stainless steel sheet made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Fabrication Data
Alloy 309 can be easily welded and processed by standard shop fabrication practices.
Hot Forming
Heat uniformly at 1742 – 2192°F (950 – 1200°C). After hot forming a final anneal at 1832 – 2101°F (1000 – 1150°C) followed by rapid quenching is recommended.
| Specification | Details |
|---|---|
| Standard | ASTM A240, ASME SA240 |
| Grades | 309, 309S |
| Thickness | 3.0mm - 100mm |
| Width | 1000mm, 1219mm, 1500mm, 2000mm, up to 2500mm |
| Length | 2000mm, 2440mm, 3000mm, 6000mm, or customized lengths |
| Surface Finish | No.1, 2B, No.4, HL, BA, Mirror |
| Edge Finish | Mill Edge, Slit Edge |
| Forming | Good formability, can be readily formed and fabricated |
| Heat Treatment | Solution annealed (1900-2050°F / 1038-1121°C) |
| Processing Methods | Cutting, Bending, Welding, Drilling, etc. |
| Delivery Condition | Annealed, Pickled, Polished |
Cold Forming
The alloy is quite ductile and forms in a manner very similar to 316. Cold forming of pieces with long-term exposure to high temperatures is not recommended since the alloy is subject to carbide precipitation and sigma phase precipitants.
Welding
Alloy 309 can be readily welded by most standard processes including TIG, PLASMA, MIG, SMAW, SAW and FCAW.
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