Alloy for backing steel of a bimetallic band saw blade

摘要

A bimetallic band saw blade has a high speed cutting edge welded to a backing band of a steel alloy containing the following elements percentages by weight:PPCr - 0.5% to no more than 1.5% PPV - 0.10% to 0.75%PPMo - 1.5% to 2.5% PPwherein said backing band comprises a substantially lesser amount by weight of Chromium than Molybdenum the alloy also contains C, Si, Mn, Nb and/or Ni and Al in such varying amounts that the total alloy content, except for Fe and inevitable impurities, is in the range of 3. 12% to 8.48%.