AISI 420 Stainless Steel: Properties, Applications & Supply 

AISI 420 Stainless Steel is a martensitic grade known for its high hardness, strength, and excellent polishability. As a heat-treatable alloy, its mechanical properties can be precisely tailored to meet demanding engineering requirements. This combination of features makes AISI 420 a preferred material for manufacturing cutting tools, surgical instruments, and wear-resistant components. Industries value this grade for its ability to achieve significant hardness while maintaining moderate corrosion resistance, offering a reliable solution for applications where edge retention and durability are critical. 

As a leading supplier and stockist of specialty metals in the UAE, Nifty Alloys LLC provides certified AISI 420 Stainless Steel in various forms, including round bars and plates, to meet the exacting standards of our clients in the manufacturing, tooling, and engineering sectors. 

What is AISI 420 Stainless Steel? 

AISI 420 Stainless Steel is a hardenable, martensitic stainless steel recognized for its versatility in engineering and manufacturing applications. As part of the martensitic family, it is defined by its ability to be heat treated, which provides increased hardness and strength. AISI 420 grade is valued for its moderate corrosion resistance, outstanding polishability, and high mechanical performance. These characteristics make it a preferred choice for precision tools, cutlery, medical instruments, and components where hardness, durability, and surface finish are priorities.