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16Mo3

1.5415
carbon_steelpressure_vessel
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Molybdenum-alloyed pressure vessel steel — THE European Mo-Kesselblech. Mo 0.25-0.35% improves creep resistance and elevated-temperature strength to ~500°C (higher than P265GH at ~400°C). Used for superheater tubes, boiler drums, steam piping, and heat exchangers in power generation. EN 10028-2 + PED.

International equivalents

FlagStandardCountryGradeNumberMatch
🇺🇸ASTMUSAASTM A204 Gr.B (approximate)—REF
🇪🇺ENEurope16Mo3 / 1.54151.5415100%

Sources: ASTM A204, EN 10028-2

Chemical composition comparison (wt%)

Side-by-side: 16Mo3 (EN 10028-2) vs 16Mo3 / 1.5415 (EN) (EN 10028-2)

Element16Mo3 (EN 10028-2)16Mo3 / 1.5415 (EN)Overlap
C—0.12–0.2%—
Si—0–0.35%—

Mechanical properties

Compatibility verdict

16Mo3 and 16Mo3 / 1.5415: 100% composition match

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