AISI 430 is a ferritic stainless steel offering good resistance to atmospheric corrosion, useful formability, and a clean surface finish. It is widely used in appliances, kitchen equipment, decorative panels, and architectural applications.
AISI 430 is a chromium-based ferritic stainless steel commonly selected for applications requiring practical corrosion resistance, an attractive finish, and economical performance. It is magnetic and provides good resistance to atmospheric corrosion and many mild service environments.
The grade is frequently used in household appliances, kitchen equipment, decorative trim, interior architectural components, and fabricated sheet-metal products. It can be supplied in different surface finishes depending on the application. Its suitability should be assessed carefully for chloride-rich, highly corrosive, or demanding welded environments. Typical Applications: Appliances, kitchen equipment, decorative panels, architectural trim, and sheet-metal fabrication.Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.
| Element | Symbol | Min (%) | Max (%) | Nominal Target |
|---|---|---|---|---|
| Chromium Cr 16.00% 18.00% 17.00% | ||||
| Carbon | C | — | 0.12% | Max 0.12% |
| Manganese | Mn | — | 1.00% | 0.50% |
| Silicon | Si | — | 1.00% | 0.50% |
| Phosphorus | P | — | 0.040% | Max 0.040% |
| Sulfur | S | — | 0.030% | Max 0.030% |
| Nickel | Ni | — | 0.75% | Max 0.50% |
| Iron | Fe | Balance | Balance | ~81.2% |
| Condition / Thermal State | Tensile Strength (Rm) | Yield Strength (Re) | Elongation (A5) | Hardness (HBW / HRB) |
|---|---|---|---|---|
| Annealed | 450 – 600 MPa | 260 – 310 MPa | 20% – 30% | 145 – 183 HBW (80 – 88 HRB) |
| Cold Worked / Cold Drawn | 620 – 750 MPa | 450 – 580 MPa | 10% – 18% | 185 – 225 HBW (90 – 97 HRB) |
| Hot Rolled | 480 – 580 MPa | 280 – 340 MPa | 22% – 32% | 150 – 190 HBW (82 – 90 HRB) |
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