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...

2005-05-24

2005-05-24

Yee, Deborah (Department: 1742)

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

C148S325000, C148S326000

Reexamination Certificate

active

06896847

ABSTRACT:
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 molding tools.

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Novotny, P.M. et al; “Corrosion Resistant, Martansitic Steel Alloy”; Specification;Taiwan Patent PublicationNo. 289053 (23 pgs), Aug. 1996.

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