Steel alloy, plastic moulding tool and tough-hardened blank...

Details Steel alloy, plastic moulding tool and tough-hardened blank... Steel alloy, plastic moulding tool and tough-hardened blank...

C - Chemistry, Metallurgy

22

C

C22C 38/46 (2006.01) C21D 1/18 (2006.01) C22C 33/02 (2006.01) C22C 38/00 (2006.01) C22C 38/44 (2006.01) C22C 38/60 (2006.01)

Patent

CA 2412525

A steel alloy has a chemical composition which contains in weight-%, 0.16 - 0.27 C, 0.06 - 0.13 N, wherein total content of C + N shall satisfy the condition, 0.3 < C + N < 0.4, 0.1 - 1.5 Si, 0.1 - 1.2 Mn, 12.5 - 14.5 Cr, 0.5 - 1.7 Ni, 0.2 - 0.8 Mo, 0.1 - 0.5 V. The steel is suitable for plastic moulding tools.

L'invention concerne un alliage d'acier. Sa composition chimique, exprimée en % en poids, est la suivante : 0.16 - 0.27 C ; 0.06 - 0.13 N ; C + N devant satisfaire à l'équation 0.3 < C + N < 0.4 ; 0.1 - 1.5 Si ; 0.1 - 1.2 Mn ; 12.5 - 14.5 Cr ; 0.5 - 1.7 Ni ; 0.2 - 0.8 Mo ; 0.1 - 0.5 V. L'acier convient aux outils de transformation des plastiques.

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