430 Stainless Steel
1.4016Ferritic chromium stainless steel with good corrosion resistance and formability. Lower cost than austenitic grades. Used for automotive trim, kitchen sinks, architectural panels, and appliance components.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 430 | S43000 | REF |
| 🇪🇺 | EN | Europe | X6Cr17 | 1.4016 | 100% |
| 🇯🇵 | JIS | Japan | SUS430 | — | 99% |
| 🇨🇳 | GB | China | 1Cr17 | — | 95% |
Sources: ASTM A240, EN 10088-2, JIS G4304, GB/T 1220
Chemical composition comparison (wt%)
Side-by-side: 430 Stainless Steel (EN) (EN 10088-2) vs AISI 430 (AISI) (ASTM A240)
| Element | 430 Stainless Steel (EN) | AISI 430 (AISI) | Overlap |
|---|---|---|---|
| C | 0–0.08% | 0–0.12% | OK |
| Si | 0–1% | 0–1% | OK |
| Mn | 0–1% | 0–1% | OK |
| P | 0–0.04% | 0–0.04% | OK |
| S | 0–0.015% | 0–0.03% | OK |
| Cr | 16–18% | 16–18% | OK |
Mechanical properties
Annealed
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 450–600 | MPa |
| Yield Strength | ≥ 260 | MPa |
| Elongation | ≥ 20 | % |
| Hardness HB | ≤ 183 | HB |
| Elastic Modulus | ≥ 200 | GPa |
| Density | ≥ 7.7 | g/cm3 |
Heat treatment
| Process | Temperature | Medium | Holding Time | Notes |
|---|---|---|---|---|
| annealing | 750–800 °C | air | 1-2 hours | Full anneal. Do not exceed 800C |
Compatibility verdict
430 Stainless Steel and AISI 430: 99% composition match
Close equivalents but NOT identical. Critical differences: C range (0–0.08 vs 0–0.12), S range (0–0.015 vs 0–0.03).
For dual certification, melt must hit: C 0–0.08, S 0–0.015
Related materials
304 Stainless Steel
1.4301The most widely used austenitic stainless steel. Excellent corrosion resistance, good formability and weldability. Standard choice for food processing, chemical, and architectural applications.
316L
1.4404Low-carbon austenitic stainless steel with molybdenum addition. Superior corrosion resistance to 304, especially against chlorides and pitting. Standard choice for chemical processing, marine, medical implants, and pharmaceutical equipment.
Super Duplex 2507
1.4410Super duplex stainless steel with PREN >40. Superior corrosion resistance to standard 2205 duplex, especially in chloride and H₂S environments. Used for subsea pipelines, offshore platform components, desalination plants, and chemical processing equipment.
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