High fatigue strength metal band saw backing material

Details High fatigue strength metal band saw backing material High fatigue strength metal band saw backing material

1990-04-17

1991-07-16

Roy, Upendra

Alloys or metallic compositions

Ferrous

Chromium containing, but less than 9 percent

420 67, 420105, 420108, 420109, 420112, 420114, C22C 3824

Patent

active

050323563

ABSTRACT:
A high fatigue strength metal band saw backing material of the present invention comprises 0.27 to 0.40% of C, not more than 0.35% of Si, 0.3 to 1.2% of Mn, 0.45 to 0.75% of Ni, more than 3.0% to 4.5% of Cr, 1.5 to 2.3% of one or two of Mo and W in terms of "Mo+W/2", 0.03 to 0.2% of one or two of V and Nb in terms of "V+Nb/2", in terms of percent by weight, the balance Fe and inevitable impurities. The metal band saw can maintain its high fatigue strength even if it is subjected to heat treatment under the same conditions as those for high speed steel used as an edge material and thus exhibits excellent properties as a metal band saw backing material.

REFERENCES:
patent: 3640114 (1972-02-01), Foley, Jr.
patent: 4353743 (1982-10-01), Vander Voort
patent: 4358317 (1982-11-01), Abe
patent: 4855106 (1989-08-01), Katsumata et al.

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