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Diffence between ferritic stainless steel and martensitic stainless steel?
Wiki User
∙ 11y ago
Ferritic stainless steel are magnetic, containing no nickel and not hardened by heat treatment. For example 409 and 430 stainless steel
Martensitic stainless steel are also magnetic and containing no nickel but hardened by heat treatment. For example 410 and 420 stainless steel
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoFerritic stainless steels must have more than 10-12% chromium to be considered stainless. This provides the ferrite phase, or structure, that is strong and hard. However, this structure cannot be significantly hardened by further cold-work or heat treatment.
Austenitic stainless steel have chromium and nickel contents, which provide the material with excellent corrosion and malleable (workable) properties at room temperature.
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Difference between carbon steel and stainless steel knives?
It depends on the type of stainless steel you are referring to. Austenite and ferritic stainless is not heat treatable in which case carbon steel could be made far harder. However..martensitic stainless steels are heat treatable in which case they could be made harder depending on the alloy contents. Generally the more carbon a steel contains, the harder it can be made. Chromium; a key ingrediant in stainless steels, can also increase hardenability.
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It depends on the type of stainless steel you are referring to. Austenite and ferritic stainless is not heat treatable in which case carbon steel could be made far harder. However..martensitic stainless steels are heat treatable in which case they could be made harder depending on the alloy contents. Generally the more carbon a steel contains, the harder it can be made. Chromium; a key ingrediant in stainless steels, can also increase hardenability.
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