SPECIAL CLAD STEEL SHEET, MANUFACTURE OF SPECIAL CLAD STEEL SHEET AND SAFE MADE OF SPECIAL CLAD STEEL SHEET

摘要

PURPOSE: To provide material suitable for a miniature safe and excellent in function for prevention of crimes. ;CONSTITUTION: Clad steel sheet obtained by joining austenite stainless steel having hardly melt-cutting property, austenite heat resistant steel and low alloy tool steel having hard-to-drill property. Material provided with both properties of hardly melt-cutting property and hard-to-drill property can be obtained and it is possible to obtain excellent function as the steel plate prevention of crimes. Further, it is possible to make the steel sheet thin and to miniaturize a safe.;COPYRIGHT: (C)1993,JPO&Japio