X10CrNi18-8
1.4310Work-hardening austenitic stainless — AISI 301. Higher C (0.05-0.15%) than 301LN enables extreme cold-work strengthening to UTS 1300+ MPa in full-hard temper. THE spring-temper stainless: used for flat springs, retaining clips, conveyor belts, automotive structural parts, and rail car body panels. Corrosion resistance similar to 304 in annealed state.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 301 / UNS S30100 | S30100 | REF |
| 🇪🇺 | EN | Europe | X10CrNi18-8 / 1.4310 | 1.4310 | 100% |
| 🇯🇵 | JIS | Japan | SUS301 | — | 95% |
Sources: ASTM A666, EN 10088-2, JIS G4313
Chemical composition comparison (wt%)
Side-by-side: X10CrNi18-8 (EN) (EN 10088-2) vs SUS301 (JIS)
| Element | X10CrNi18-8 (EN) | SUS301 (JIS) | Overlap |
|---|---|---|---|
| C | 0.05–0.15% | — | — |
| Si | 0–2% | — | — |
| Mn | 0–2% | — | — |
| P | ≤ 0.045% | — | — |
| S | ≤ 0.015% | — | — |
| Cr | 16–19% | — | — |
| Ni | 6–9.5% | — | — |
| N | 0–0.11% | — | — |
Mechanical properties
Solution annealed
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 520–720 | MPa |
| Yield Strength | ≥ 210 | MPa |
| Elongation | ≥ 40 | % |
| Density | ≥ 7.9 | g/cm3 |
C1300
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 1250–1500 | MPa |
Solution annealed
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 600–950 | MPa |
| Yield Strength Rp0.2 | ≥ 230 | MPa |
| Elongation A | ≥ 40 | % |
Cold Worked +C1000
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 1000–1300 | MPa |
| Yield Strength Rp0.2 | ≥ 700 | MPa |
General
| Property | Value | Unit |
|---|---|---|
| Density | 7.9 | g/cm³ |
Compatibility verdict
X10CrNi18-8 and SUS301: 95% composition match
Close equivalents but NOT identical.
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.
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.
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