Stainless Steel 310
24.00 – 26.00
19.00 – 22.00
General characteristics of Stainless 310
This alloy has much higher chromium and nickel contents than the 18/8 austenitic stainless steels. Type 310 is a high temperature austenitic stainless steel that is capable of continuous service at temperatures up to 2100ºF (1150ºC.)
This alloy is suitable for continuous service at temperatures up to 2100ºF (1150ºC) and intermittent service at temperatures up to 2000ºF (1090ºC.) It has good resistance to oxidizing, carburizing and sulfur-bearing atmospheres. It has also proved resistant to marine atmospheres
Forging Stainless 310
The alloy should be forged at around 2150ºF (1175ºC) and not much below 1800ºF (980ºC.) Small parts should be rapidly air cooled or water quenched directly after forging. Optimum corrosion resistance is obtained if parts are annealed after forging.
Parts should be annealed at 1900/2050ºF (1040/1120ºC) and water quenched.
Type 310 machines in a similar manner to other 18/8 types, giving tough, stringy chips. Maximum feeds and slow speeds will give best machinability. A small amount of cold work on bars will improve the surface finish after machining.
Type 310 can be welded by shielded fusion and resistance methods, but oxyacetylene welding should be avoided to prevent carbon pick up in the welds. There is little risk of cracking in the welds. Should filler metal be required, 310 rods are recommended. A post weld anneal will prevent the occurrence of intergranular corrosion.
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