Stainless Steel Grades Directory

AISI 317LN | EN 1.4434 | DIN X2CrNiMoN18-12-4 is a nitrogen alloyed austenitic stainless steel with a higher nitrogen content than other conventional austenitic stainless steels. It has higher strength and tensile strength than AISI 317L stainless steel. The steel provides resistance to sensitization during welding and thermal processes.

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AISI 201LN | EN 1.4371 | DIN X2CrMnNiN17-7-5 is a low nickel, nitrogen reinforced, austenitic stainless steel with good corrosion resistance, high temperature strength and good mechanical properties. It is an improved version of AISI 201 | EN 1.4372 and a low cost alternative to EN 1.4301.

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AISI 440A | EN 1.4109 | DIN X70CrMo15 is a martensitic stainless steel with a high carbon content (high carbon stainless steel) developed to provide properties for maximum hardness and strength. It is magnetic both in the annealed and hardened condition. This grade is classified as a tool stainless steel.

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AISI 440B | EN 1.4112 | DIN X90CrMoV18 - martensitic stainless steel, belongs to high-carbon martensitic stainless steel. It is used for the production of stainless steel cuts, mechanical cutting tools and cutting tools, surgical instruments and blades, wear-resistant equipment parts, etc.

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AISI 440F - belongs to the martensitic group of stainless steel. It is a high-carbon stainless steel that provides excellent machinability and corrosion resistance. It is one of the most commonly used stainless steels from the AISI 440 group and is popular in various applications due to its properties.

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AISI 630 | EN 1.4542 | DIN X5CrNiCuNb16-4 is a hardenable martensitic stainless steel with high wear resistance, good corrosion resistance and high yield strength. Combining excellent mechanical properties and high corrosion resistance, AISI 630 can be used in marine environments, but it is susceptible to crevice corrosion in standing seawater.

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AISI 631 | EN 1.4568 | DIN X7CrNiAl17-7 - stainless alloy which is a martensitic precipitation hardening stainless steel providing high strength and hardness, excellent fatigue properties, good corrosion resistance, good formability and minimal deformation during heat treatment.