AISI 430 (UNS S43000)
Ferritic Stainless Steel
Stainless Steel 430 Overview
Chemistry, mechanical properties, physical properties, and practical selection notes for rolled AISI 430 products.
General-purpose ferritic stainless; magnetic; good oxidation resistance.
Common in cosmetic/trim and indoor applications where high strength is not required.
AISI 430 Standards & Designation
ASTM A240 ♦ UNS S43000
AISI 430 Properties
| Chemical composition (wt%) | Limits |
|---|---|
| C | 0.12 max |
| Cr | 16.0–18.0 |
| Mn | 1.00 max |
| Si | 1.00 max |
| P | 0.040 max |
| S | 0.030 max |
| Ni | 0.75 max |
Values shown are typical/spec limits at room temperature unless noted; requirements vary by product form, size, and specification.
Applications for 430 Stainless Steel
430 stainless steel from Source21 is a ferritic stainless steel grade that combines practical corrosion resistance with a clean attractive appearance. As a magnetic stainless steel Type 430 is widely selected for decorative and appliance applications where formability surface finish and cost efficiency are important. It offers good resistance to corrosion in mild environments and polishes well for visually appealing surfaces. Common uses include range hoods interior trim household appliances sinks and architectural building cladding where style and durability must work together.
Source21 supplies 430 stainless steel in coil, strip, sheet, foil, and bar, all produced to meet ASTM A240 standards.
Contact the Source21 team to place an order explore finish and form options or receive expert guidance backed by reliable supply and responsive service.