2. Martensitic stainless steels
2.1 Composition and properties
Martensitic stainless steels have a chromium content of around 12% and a variable carbon content, which determines their hardenability (tables 2 and 3 ). Steels with a relatively low carbon content are mainly used in boiler making. Indeed, the increased brittleness of steels with carbon content above 0.2% significantly increases the level of care required when cutting, forming and welding these steels.
Because of their chromium content (11-16%), "air quenching" is sufficient to obtain the desired mechanical properties, while limiting the risk of tapping during cooling. In a temperature range between 800 and...
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Martensitic stainless steels
Ferritic stainless steels
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