X2CrNi12
1.4003Low-cost utility ferritic stainless steel (12% Cr). A cost-effective alternative to 304 where full corrosion resistance is not required. Good weldability for a ferritic grade. Used for railway wagons, bus bodies, sugar industry, mining equipment, and structural applications.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | ASTM | USA | UNS S41003 | S41003 | REF |
| 🇪🇺 | EN | Europe | X2CrNi12 | 1.4003 | 100% |
| OTHER | ZA | 3CR12 | — | 95% |
Sources: ASTM A240, EN 10088-2, Proprietary
Chemical composition comparison (wt%)
Side-by-side: X2CrNi12 (EN) (EN 10088-2) vs 3CR12 (OTHER)
| Element | X2CrNi12 (EN) | 3CR12 (OTHER) | Overlap |
|---|---|---|---|
| C | 0–0.03% | — | — |
| Si | 0–1% | — | — |
| Mn | 0–1.5% | — | — |
| P | 0–0.04% | — | — |
| S | 0–0.015% | — | — |
| Cr | 10.5–12.5% | — | — |
| Ni | 0.3–1% | — | — |
| N | 0–0.03% | — | — |
Mechanical properties
Annealed
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 450–650 | MPa |
| Yield Strength | ≥ 280 | MPa |
| Elongation | ≥ 20 | % |
| Elastic Modulus | ≥ 220 | GPa |
| Density | ≥ 7.7 | g/cm3 |
Compatibility verdict
X2CrNi12 and 3CR12: 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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