... .Cutting metal materials 5.Various alloy steel Like product:Blade Linear guideway,shear blade,circular knives and spacers,cold and ... hardness,high toughness,and high wear resistance. 4.Blade Incision:Smooth without burr and long working life5. ... in industries of steel,rubber,papermaking,etc7.Technology:Each technical index reaches the international standard strip steel shear blade &circular blade