| 摘要 |
The present invention relates to steel for a mold and a mold manufactured by a lamination process by using the steel for a mold, which is composed of: C more than 0.25% and less than 0.38%; Si more than 0.01% and less than 0.30%; Mn more than 0.92% and less than 1.80%; Cr more than 0.8% and less than 2.2%; Mo more than 0.8% and less than 1.4%; V more than 0.25% and less than 0.58%; a remaining amount of F, and inevitable impurities(all compositions are given in mass%). |
