X2CrNi19-11
1.4306Low-carbon 18/10 austenitic stainless — AISI 304L. C max 0.030% prevents sensitization after welding without stabilizing elements. THE welding-grade 304. Slightly higher Ni (10-12.5%) than 1.4301 (304) for better austenite stability. Used for welded vessels, piping, food equipment, and any 304 application requiring post-weld corrosion resistance without solution annealing.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 304L / UNS S30403 | S30403 | REF |
| 🇪🇺 | EN | Europe | X2CrNi19-11 / 1.4306 | 1.4306 | 100% |
| 🇯🇵 | JIS | Japan | SUS304L | — | 95% |
Sources: ASTM A240, EN 10088-3, JIS G4303
Chemical composition comparison (wt%)
Side-by-side: X2CrNi19-11 (EN) (EN 10088-3) vs SUS304L (JIS)
| Element | X2CrNi19-11 (EN) | SUS304L (JIS) | Overlap |
|---|---|---|---|
| C | 0–0.03% | — | — |
| Si | 0–1% | — | — |
| Mn | 0–2% | — | — |
| Cr | 18–20% | — | — |
| Ni | 10–12.5% | — | — |
| N | ≤ 0.11% | — | — |
Mechanical properties
Solution annealed
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 480–680 | MPa |
| Yield Strength | ≥ 175 | MPa |
| Elongation | ≥ 40 | % |
| Elastic Modulus | ≥ 200 | GPa |
| Density | ≥ 7.9 | g/cm3 |
Solution annealed
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 500–700 | MPa |
| Yield Strength Rp0.2 | ≥ 180 | MPa |
| Elongation A | ≥ 45 | % |
| Hardness HB | ≤ 215 | HB |
Compatibility verdict
X2CrNi19-11 and SUS304L: 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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