X3CrNiMo17-13-3
1.4436Austenitic CrNiMo stainless — AISI 316 variant with higher Mo (2.5-3.0%) and Ni (10.5-13.0%). Better pitting resistance than standard 316 (1.4401) due to higher Mo minimum. C max 0.05% (not L-grade, so slightly higher strength than 316L). Used for chemical plant, textile dyeing equipment, and applications requiring guaranteed higher Mo than 316 minimum.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 316 (high-Mo) | S31600 | REF |
| 🇪🇺 | EN | Europe | X3CrNiMo17-13-3 / 1.4436 | 1.4436 | 100% |
Sources: ASTM A240, EN 10088-3
Chemical composition comparison (wt%)
Side-by-side: X3CrNiMo17-13-3 (EN 10088-3) vs X3CrNiMo17-13-3 / 1.4436 (EN) (EN 10088-3)
| Element | X3CrNiMo17-13-3 (EN 10088-3) | X3CrNiMo17-13-3 / 1.4436 (EN) | Overlap |
|---|---|---|---|
| C | — | 0–0.05% | — |
| Si | — | 0–1% | — |
Mechanical properties
Compatibility verdict
X3CrNiMo17-13-3 and X3CrNiMo17-13-3 / 1.4436: 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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