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Ferritic Stainless Spec Table
Ferritic Stainless KS Specifications — 1 sizes
KS D 3705
Magnetic stainless steel (SUS430, etc.) used in appliances, kitchen equipment, and interior architecture. Economical pricing.
Practical Notes
- SUS430 is 30–40% cheaper than SUS304. Slightly lower corrosion resistance but sufficient for indoor environments like appliances and kitchens.
- Magnetic — magnets stick. Choose SUS304 if non-magnetic property is required.
KSFerritic Stainless
1 sizes| Name | Type | Tensile | Yield | Hardness | Use |
|---|---|---|---|---|---|
| SUS430 | ≥450 | ≥205 | HB≤200 | , , |
Key Features
- STS430 (16–18Cr); magnetic, no Ni content makes it more economical than austenitic
- Excellent stress corrosion cracking (SCC) resistance; advantageous over 304 in chloride environments
- Caution: grain coarsening and 475 °C embrittlement during welding; heat input control essential
Key Applications
Washing machine drums, automotive exhaust parts, kitchen sinks, appliance trim, interior building materials
FAQ
How does SUS430 corrosion resistance compare to SUS304?
About 70–80% of SUS304 level. Sufficient for dry indoor environments but use SUS304 where moisture or salt is present.