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通過認證 
, but despite the name it is not fully stain-proof
, most notably under low oxygen, high salinity, or poor circulation environments.
It is also called corrosion-resistant steel or CRES when the alloy type and grade are not detailed
, particularly in the aviation industry.
There are different grades and surface finishes of stainless steel to suit the environment the alloy must endure.
Stainless steel is used wher both the properties of steel and resistance to corrosion are required.
Stainless Steel parts will have density between 5.5 to 6.8 g/cc after sintering.
The hardness is around 50 to 70 HRB.
