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.
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.
STAINLESS STEEL PLATE PROCESSING AND FABRICATION OPTIONS
Plasma cutting
Plate saw cutting
Shearing
Laser cutting
Waterjet cutting
Forming
Welding
Machining
Plate leveling
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