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X2CrNiMoN17-13-3

1.4429
Stainless SteelAustenitic
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Nitrogen-strengthened low-carbon austenitic stainless steel — essentially 316LN. The N addition (0.12–0.22%) raises yield strength to ≥280 MPa (vs 200 for 316L) without sacrificing corrosion resistance or weldability. Preferred over 316L for pressure vessels and cryogenic applications where higher design stress is needed. Approved for ASME Section VIII. Used for chemical reactors, pharmaceutical vessels, cryogenic storage (LNG) and high-pressure piping.

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International equivalents

FlagStandardCountryGradeNumberMatch
🇺🇸AISIUSA316LNS31653REF
🇯🇵JISJapanSUS316LN95%

Sources: ASTM A240, JIS G4304

Mechanical properties — Pro

Solution annealed

PropertyValueUnit
Tensile Strength
Yield Strength Rp0.2
Elongation A
Hardness HB

General

PropertyValueUnit
Density

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All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.