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X20CrMoV11-1

1.4922
alloy_steelhigh_temp
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12% Cr martensitic creep-resistant steel for steam turbine applications. Operates to ~580°C continuous. Combines corrosion resistance of 12% Cr with creep strength from Mo+V. Used for steam turbine blades, bolts, discs, and high-pressure steam piping in fossil power plants.

International equivalents

FlagStandardCountryGradeNumberMatch
🇺🇸ASTMUSAASTM A182 F122 (similar concept)—REF
🇪🇺ENEuropeX20CrMoV11-11.4922100%

Sources: ASTM A182, EN 10269:2013

Chemical composition comparison (wt%)

Side-by-side: X20CrMoV11-1 (EN 10269) vs X20CrMoV11-1 (EN) (EN 10269)

ElementX20CrMoV11-1 (EN 10269)X20CrMoV11-1 (EN)Overlap
C—0.17–0.23%—
Si—0–0.5%—

Mechanical properties

Compatibility verdict

X20CrMoV11-1 and X20CrMoV11-1: 100% composition match

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