Directory of stainless steel grades

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.

Details: Written by: ukirs; Published: 30 January 2025; Created: 30 January 2025; Last Updated: 21 November 2025; Hits: 519

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.

Details: Written by: ukirs; Published: 30 January 2025; Created: 30 January 2025; Last Updated: 21 November 2025; Hits: 559

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.

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Inconel 625 | AISI 625 | Alloy 625 | EN 2.4856 | DIN NiCr22Mo9Nb is a nickel-based superalloy with high strength properties and resistance to elevated temperatures. It also demonstrates excellent protection against corrosion and oxidation. It is part of the group of nickel-chromium alloys with the introduction of additives - niobium and molybdenum.

Details: Written by: ukirs; Published: 30 January 2025; Created: 30 January 2025; Last Updated: 21 November 2025; Hits: 461

AISI 205 | UNS S20500 is a standard austenitic stainless steel grade. It is also called AISI Type 205 chromium-manganese-nickel steel. It provides approximately 30% higher mechanical properties such as yield strength than the traditional 304 series. It has good formability and ductility.