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Alloy for backing steel of a bimetallic band saw blade

  • US 5,417,777 A
  • Filed: 02/22/1994
  • Issued: 05/23/1995
  • Est. Priority Date: 02/22/1994
  • Status: Expired due to Fees
First Claim
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1. An improved bimetallic band saw blade having a high speed steel cutting edge and a backing steel band welded thereto, saw teeth formed along the high speed cutting edge including cutting tips and gullets, said cutting tips being formed in the high speed steel edge and-the gullets extending into the backing band, said backing band comprising, by weight from 0.5% to no more than 1.50% Chromium (Cr), 0.10% to 0.75% Vanadium (V), 1.5% to 2.50% Molybdenum (Mo) and wherein said backing band comprises a substantially lesser amount by weight of Chromium than Molybdenum, the backing band alloy also containing Carbon (C), Manganese (Mn) and Nickel (Ni) in such varying amounts that the total alloy content of the backing band, except for iron and inevitable impurities, is in a range of 3.12% to 8.84% by weight.

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