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AISI 403 Martensitic Stainless Steel Chemical Composition, Grades, Chart and Pdf

AISI 403 Martensitic Stainless Steel, a heat-treatable alloy, has the famous corrosion resistance to the highest strength in the industry. Generally its chemical composition is incl. of 12-14% chromium, therefore its corrosion resistance is superior, especially for some extremely severe conditions. Not only it includes small amounts of carbon but also it contains manganese, silicon, phosphorus, sulfur, and iron. This formulation helps in this way, through heat treatment; thereby providing extremely better mechanical characteristics. Among various application areas, AISI 403 is the most commonly used in service such as industrial equipment, cutlery, and surgical instruments. A chart and a PDF with a grade table and its properties and applications are easily accessible, enabling engineers and manufacturers choose the most appropriate grade for their specific needs.

AISI 403 Martensitic Stainless Steel Chemical Composition And Grade Table

The AISI 403 Martensitic Stainless Steel is indeed a well known alloy for its extraordinary strength, resistance to oxidation, and fabricability. Its chemical composition is composed mainly of carbon, chromium and additional alloying elements such as manganese, phosphorus, sulfur, silicon, and iron. Usually, it consists of about 0.15% carbon, 11.5-13.5% chromium, and trace amounts of other components to add value. Being characteristically strong and resistant to wear, AISI 403 is used for parts requiring high durability, such as knives, bearings, valve components and surgical tools, which makes it an indispensable grade in many industries.

AISI 403 Martensitic Stainless Steel
Elements Fe Cr Mn Si C P S
Min (%) - - - - - - -
Max (%) 86 12.3 1.0 0.50 0.15 0.040 0.030

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