Back material of metal band saw high in fatigue strength
AssigneeHitachi Metals, Ltd.
InventorsKingo Kiyonaga, Ryousei Ago, Sei Furuichi
Life of this patent
Estimating the term…
Abstract
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.20 - 0.33% C, up to 1.5% Si, up to 1.5% Mn, 3.5 - 6.5% Cr, 0.05 - 0.40% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, at least one of 1.0 - 3.0% Mo and up to 4.0% W and the balance Fe and impurities, the sum of (% Mo) + 1/2 (% W) being within the range of 1.0 - 3.0%.
Claims20
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.20 - 0.33% C, up to 1.5% Si, up to 1.5% of Mn, 3.5 - 6.5% Cr, 0.05 - 0.40% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, at least one of 1.0 - 3.0% Mo and up to 4.0% W and the balance Fe and impurities, the sum of (% Mo) + 1/2 (% W) being within the range of 1.0 - 3.0%.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.30% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.05 - 0.40% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, 1.4 - 2.6% Mo and the balance Fe and impurities.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.30% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.05 - 0.40% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, 1.0 - 2.4% Mo, 0.8 - 2.0% W and the balance Fe and impurities.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight 0.20 - 0.33% C, up to 1.5% Si, up to 1.5% Mn, 3.5 - 6.5% Cr, 0.05 - 0.40% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, at least one of 1.0 - 3.0% Mo and up to 4.0% W, at least one of up to 1.5% Ni and up to 1.4% Co and the balance Fe and impurities, the sum of (% Mo) + 1/2 (% W) being within the range of 1.0 - 3.0%.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.30% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.05 - 0.40% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, 1.4 - 2.6% Mo, at least one of 0.4 - 1.2% Ni and 0.4 - 0.9% Co and the balance Fe and impurities.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.30% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.2 - 0.4% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, 1.4 - 2.6% Mo, 0.4 - 1.2% Ni and the balance Fe and impurities.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.30% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.2 - 0.4% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, 1.4 - 2.6% Mo, 0.4 - 0.9% Co and the balance Fe and impurities.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.30% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.05 - 0.4% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, at least one of 1.0 - 2.4% Mo and 0.8 - 2.0% W, at least one of 0.4 - 1.2% Ni and 0.4 - 0.9% Co and the balance Fe and impurities, the sum of (% Mo) + 1/2 (% W) being within the range of 1.0 - 3.0%.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.3% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.2 - 0.4% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, at least one of 1.6 - 2.4% Mo and 0.8 - 2.0% W, 0.4 - 1.2% Ni and the balance Fe and impurities, the sum of (% Mo) + 1/2 (% W) being within the range of 1.0 - 3.0%.
A back material of a metal band saw high in fatigue strength which consists essentially of, by weight, 0.23 - 0.30% C, up to 0.8% Si, up to 1.0% Mn, 4.0 - 6.0% Cr, 0.2 - 0.4% V, 0.05 - 0.10% Al, 0.02 - 0.30% Nb, at least one of 1.6 - 2.4% Mo and 0.8 - 2.0% W, 0.4 - 0.9% Co and the balance Fe and impurities, the sum of (% Mo) + 1/2 (% W) being within the range of 1.0 - 3.0%.
Dependencies are inferred from the claim text.