Stainless steel AISI 420
Cutting tools and wear-resistant machine parts.
| Steel family | Martensitic |
|---|---|
| EN | 1.4021 |
| Approximate Russian grade | 20Х13 — approximate |
| Calculation density | 7,700 kg/m³ — confirm for each batch |
| Weldability | Limited; a qualified welding procedure is required |
Selection considerations
The 420 designation covers different carbon levels; equivalence depends on the actual composition.
GOST comparison
An approximate grade match is not proof of interchangeability. Check the heat chemistry, mechanical properties, delivery condition, dimensions and project requirements. GOST 5632-2014 concerns grades and chemical composition; finished strip may require separate product standards.
Coil and strip supply
Availability of this grade in each format, dimensions and lead times must be confirmed. AISI designations alone are not a certificate of conformity. For a quote, specify thickness, coil or strip width, total mass, finish, service environment and destination. No stock availability or fixed price is implied by this guide.
Other grades in this family
These links help you explore the family; they are not substitution recommendations.