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The hardest stainless steel is 440C stainless steel, is a kind of martensitic stainless steel, can do tools and the like, its hardness is 58 ~ HRC60.440 stainle···
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SUS631 Austenitic precipitation-hardened stainless steel is a semi-austenitic precipitation-hardened stainless steel by adding the element aluminum.
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The corrosion resistance of stainless steel decreases with the increase of carbon content, therefore, most stainless steel carbon content is low, * no more than···
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