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To qualify as stainless steel, Fe-base alloys must contain at least 10.5%Cr. The iron-chromium phase diagram shows that up to about 13%Cr, the steel undergoes successive transformations upon cooling from the liquid phase from ferritic α phase to austenitic γ phase and back to α.
Ferritic Stainless Steel grade 409 (1.4512) is a titanium stabilised alloy, ideally suited to high temperature applications due its corrosion resistance in these environments. This alloy also offers good mechanical properties and weldability up to 2.5mm thickness.
23 sie 2022 · The most widely used ferritic grade of stainless steel is SS430. With lower chromium content, SS409 is less corrosion-resistant. In contrast, SS439 resists corrosion better and is more stable in high temperatures. Depending on the alloy, ferritic stainless steels exhibit several beneficial properties. Corrosion Resistance
The grades work harden at the very high rate of approximately 14MPa/%Ra (14MPa increase in tensile strength for each 1% reduction of area of cold work), resulting in high achievable strengths from cold rolling and from roll forming.
Ferritic steel is a grade of stainless steel alloy containing more than 12% chromium and differs from other types of stainless steel in two crucial regards: its chemical composition and its molecular grain structure.
Type 1.4003 stainless steel is a utility ferritic stainless steel, often used in place of mild steel. It offers the benefits of more highly alloyed stainless steels such as strength, corrosion and abrasion resistance, durability and low maintenance.
In order to assist the reader in this selection, Euro Inox makes the following tables of technical properties available: Chemical composition of stainless steels (flat products) Mechanical properties of stainless steels (flat products) Physical properties of stainless steels.
