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X5CrNi18-10

1.4301
stainlessaustenitic
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THE most widely used stainless steel worldwide — the original "18/8" austenitic (V2A). Good corrosion resistance in natural environments (water, humidity, weak acids). Non-magnetic when annealed. NOT resistant to intergranular corrosion after welding — use 1.4307 (304L) or 1.4541 (321) for welded service. PREN 17.5-21.1 — not suitable for chloride/seawater. Used everywhere: kitchen equipment, food processing, architecture, chemical tanks, automotive, medical devices.

International equivalents

FlagStandardCountryGradeNumberMatch
🇺🇸AISIUSAAISI 304 / UNS S30400S30400REF
🇪🇺ENEuropeX5CrNi18-10 / 1.43011.4301100%
🇯🇵JISJapanSUS 304—100%

Sources: ASTM A240, EN 10088-3, JIS G4303

Chemical composition comparison (wt%)

Side-by-side: X5CrNi18-10 (EN 10088-3) vs X5CrNi18-10 / 1.4301 (EN) (EN 10088-3)

ElementX5CrNi18-10 (EN 10088-3)X5CrNi18-10 / 1.4301 (EN)Overlap
C—0–0.07%—
Si—0–1%—

Mechanical properties

Compatibility verdict

X5CrNi18-10 and X5CrNi18-10 / 1.4301: 100% composition match

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