304LN / X2CrNiN18-10
1.4311Nitrogen-enhanced low-carbon 304. The N addition (0.12-0.22%) increases yield strength ~40% over 304L without reducing corrosion resistance or weldability. Used for pressure vessels, storage tanks, and cryogenic applications where higher design stress is needed.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 304LN | S30453 | REF |
| 🇪🇺 | EN | Europe | X2CrNiN18-10 | 1.4311 | 100% |
Sources: ASTM A240, EN 10088-2
Chemical composition comparison (wt%)
Side-by-side: 304LN / X2CrNiN18-10 (EN 10088-2) vs X2CrNiN18-10 (EN) (EN 10088-2)
| Element | 304LN / X2CrNiN18-10 (EN 10088-2) | X2CrNiN18-10 (EN) | Overlap |
|---|---|---|---|
| C | — | 0–0.03% | — |
| Si | — | 0–1% | — |
Mechanical properties
Compatibility verdict
304LN / X2CrNiN18-10 and X2CrNiN18-10: 100% composition match
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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