HIGH-TOUGHNESS WEAR-RESISTANT STEEL

Title:

HIGH-TOUGHNESS WEAR-RESISTANT STEEL

Document Type and Number:

Japanese Patent JPS61166954

Kind Code:

A

Abstract:

PURPOSE: To improve the strength and toughness by adding prescribed percentages of C, Si, Mn, P, S, Cr, Mo, B, sol. Al, Nb and Ti.

CONSTITUTION: This high-toughness wear-resistant steel consists of, by weight, 0.3W0.45% C, 0.1W0.5% Si, 0.3W1.2% Mn, ≤0.01% P, ≤0.01% S, 0.5W1.4% Cr, 0.15W0.55% Mo, 0.0005W0.005% B, 0.015W0.06% sol. Al, 0.02W0.05% Nb and/or 0.01W0.03% Ti and the balance Fe. The steel has superior strength and toughness.

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Inventors:

TOYAMA KAZUO
OTANI YASUO
OKAWA KAZUHIDE

Application Number:

JP679585A

Publication Date:

July 28, 1986

Filing Date:

January 18, 1985

Export Citation:

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Assignee:

SUMITOMO METAL IND
KOMATSU MFG CO LTD

International Classes:

C22C38/00; C22C38/54; (IPC1-7): C22C38/54

Domestic Patent References:

JPS579855A	1982-01-19
JPS6059053A	1985-04-05

Attorney, Agent or Firm:

Hirose Shoichi

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