Steel for plastics molds superior in weldability

Alloys or metallic compositions – Ferrous – Lead – bismuth – selenium – tellurium or calcium containing

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420111, C22C 3822, C22C 3860

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051397374

ABSTRACT:
Disclosed is a steel for plastics molds superior in weldability. The steel consists essentially of C: 0.1 to 0.3%, Mn: 0.5 to 3.5%, Cr: 1.0 to 3.0%, Mo:0.03 to 2.0%, V:0.1 to 1.0% and S: 0.01 to 0.10%; Si: not more than 0.25%, P: not more than 0.2%, and B: not more than 0.002%; the balance being substantially Fe. The alloy composition should satisfy the following formula:

REFERENCES:
patent: 4333776 (1982-06-01), Bhattacharya et al.
patent: 4855106 (1989-08-01), Katsumata et al.

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