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Stainless steel physical properties

Feb 27, 2018

Compare with carbon steel

1, density

The density of carbon steel is slightly higher than that of ferritic and martensitic stainless steel, but slightly lower than that of austenitic stainless steel;

2, resistivity

Resistivity by carbon steel, ferritic, martensitic and austenitic stainless steel in increasing order;

3, the linear expansion coefficient of the size of the order is similar to the highest austenitic stainless steel and carbon steel minimum;

4, carbon steel, ferritic and martensitic stainless steel magnetic, austenitic stainless steel non-magnetic, but the cold work hardening martensitic transformation will produce magnetic, heat treatment can be used to eliminate this martensite Tissue to restore its non-magnetic.

Austenitic stainless steel and carbon steel compared with the following characteristics:

1) high resistivity, about 5 times the carbon steel.

2) Large linear expansion coefficient, 40% larger than carbon steel, and as the temperature increases, the linear expansion coefficient values also increased accordingly.

3) Low thermal conductivity, about 1/3 of carbon steel.《FROM TERADA》


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