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:
Hiroyuki Mori
Shinsuke Haneda
Shogo Murakami
Shinsuke Haneda
Shogo Murakami
Application Number:
JP2000294995A
Publication Date:
January 25, 2006
Filing Date:
September 27, 2000
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
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:
Kyuichi Ueki
Etsushi Kotani
Etsushi Kotani