Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
DIRECTIONAL PROPERTIES CAUSED BY FORGING AND DIMENSIONCHANGE RATE DUE TO HEAT-TREATMENT WITH DIFFERENT HEAVY SECTIONS OF TOOL STEEL
Sadao KoshibaHachiro Homma
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1957 Volume 43 Issue 12 Pages 1303-1307

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Abstract

At forging direction and its transversal direction in various heavy section of tool steels (Cr cold die steel, Cr-W-V hot die steel and Mn-Cr-W gauge steel), dimension-clange measuring specimen were cut off, and then, the authors investigated directional properties caused by forging and rate of dimension change due to heat-treatment.
The results obtained were as follows:
1) In the case of HDC and CRD, forging direction is larger than the transversal directionin the rate of length change and diameter change by heat-treatment generally.
2) In the case of SGT, transversal direction is larger than forging diretion in the rate of length change, but forging direction is larger than transversal direction in the rate of diameter change by heat-treatment.

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© The Iron and Steel Institute of Japan
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