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Patent Searching and Data


Title:
METHOD FOR PRODUCING CAST STEEL PRODUCT EXCELLENT IN TORTOISE-SHELL CRACK RESISTANCE, AND CAST STEEL PRODUCT
Document Type and Number:
Japanese Patent JP3740006
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a method for producing a cast steel product capable of reducing tortoise-shell crack as little as possible by adjusting the chemical components in the steel material.
SOLUTION: The production method of the cast steel product has the point, in which molten steel having ≥1.5 mass% total content of Ni, Cr, Mo and V and ≤0.020 mass% Al, or that having <1.5 mass% (containing 0) total content of Ni, Cr, Mo and V and ≤0.026 mass% Al, is used.


Inventors:
森 啓之
羽田 晋介
村上 昌吾
Application Number:
JP2000000294995
Publication Date:
January 25, 2006
Filing Date:
September 27, 2000
Export Citation:
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Assignee:
株式会社神戸製鋼所
International Classes:
B22C1/22; C22C38/00; C22C38/46; (IPC1-7): C22C38/00; B22C1/22; C22C38/46
Domestic Patent References:
JP9202941A
JP10121188A
JP8176728A
JP11029837A
JP11343543A
JP62148051A
JP60103116A
JP63062850A
Attorney, Agent or Firm:
植木 久一
小谷 悦司