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15CrMoV5-9

1.7765
alloy_steelhigh_temp
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Cr-Mo-V steel for elevated temperature fastener applications. Retains strength up to 540°C. Used for high-temperature bolts, studs, and nuts in power plants, steam turbines, and pressure vessel flanges. Specified in EN 10269 for creep-resistant fasteners.

International equivalents

FlagStandardCountryGradeNumberMatch
🇺🇸ASTMUSAASTM A193 B16—REF
🇪🇺ENEurope15CrMoV5-91.7765100%

Sources: ASTM A193, EN 10269:2013

Chemical composition comparison (wt%)

Side-by-side: 15CrMoV5-9 (EN 10269) vs 15CrMoV5-9 (EN) (EN 10269:2013)

Element15CrMoV5-9 (EN 10269)15CrMoV5-9 (EN)Overlap
C—0.1–0.2%—
Si—0–0.35%—

Mechanical properties

Compatibility verdict

15CrMoV5-9 and 15CrMoV5-9: 100% composition match

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