Patent ID: 6110300
Filing Date: 2000-08-29
Classification: B22D,C03B,C22C,Y02P

Abstract:
A glass molding tool for glass forming operations, said tool having a blemish free surface and being a martensitic stainless steel alloy especially adapted for oxidizing environments having (a) high oxidation resistance, (b) high corrosion resistance, (c) good hot workability, (d) high strength and (e) high wear resistance, said tool having the following approximate composition in weight percent: C 0.23-0.38, Mn 0.40-1.00, P 0.040 max, S 0.030 max, Si 0.0-1.20, Ni 1.0-3.0, Cr 14.0-20.0, Mo 0.25-1.00, V 0.10 max, Cu 0.50-1.50, Al 0.030 max, Fe balance including incidental impurities.