| 摘要 |
<p>A bimetallic band saw blade (4) has a high speed cutting edge (10) welded to a backing band (8) of a steel alloy containing the following elements percentages by weight: Cr - .5 % to no more than 1.5 %, V - 0.10 % to 0.75 %, Mo - 1.5 % to 2.5 %; 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 %.</p> |
