304L
1.4307Low-carbon version of 304. Maximum 0.030% C prevents sensitization during welding — no post-weld heat treatment needed. The standard choice for welded structures in food, chemical, and pharmaceutical industries. Often dual-certified with 1.4301.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 304L | S30403 | REF |
| 🇪🇺 | EN | Europe | X2CrNi18-9 | 1.4307 | 100% |
| 🇯🇵 | JIS | Japan | SUS304L | — | 99% |
| 🇨🇳 | GB | China | 00Cr19Ni10 | — | 95% |
Sources: ASTM A240, EN 10088-2, JIS G4303, GB/T 1220
Mechanical properties
Compatibility verdict
304L and SUS304L: 99% 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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