DIN 17155 is the German specification for pressure vessel steels and boiler quality plate.
DIN17155 15Mo3 steel equivalent material
AISI A182 grade F1,EN 16mo3; Ravne No.760
15Mo3 steel Hardening
Harden from a temperature of 910-940oC followed by oil quenching.
15Mo3 steel Tempering
Tempering temperature: 660-710oC.
15mo3 material chemical composition
C 0.12-0.20; Si 0.10-0.35; Mn 0.40-0.90;
P 0.035; S 0.030; Cr 0.25; Cu 0.30;
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