Forging Characteristics of Stainless 314
1.50 – 3.00
23.00 – 26.00
19.00 – 22.00
General characteristics of Stainless 314
Type 314 stainless steel is effectively a 310 type stainless with a higher level of silicon, for increased high-temperature oxidation resistance.
This grade is used in applications that take advantage of its excellent high-temperature scaling resistance and creep strength. It is widely used for furnace parts.
This grade may be forged between 2100/1800ºF (1150/980ºC.) Small parts should be rapidly air cooled or water quenched after forging. For optimum corrosion resistance, parts should be annealed after forging.
Parts should be annealed at 1920/2100ºF (1050/1150ºC) and water quenched.
Type 314 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 314 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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