Cutting edge disc, disc blade, mainly: 6CrW2Si, H13,65Nb, H13K, w18cr4v, HMB, HMK, HM-1, HM-3 and other high quality tool steel and alloy tool steel, sharp blade, wear-resistant , cut flat, burr-free products, mainly used for various close to room temperature, plate, bar, type, with, wire, stainless steel, cold-rolled sheet cut. (Our company can produce less than 6 meters in length, 1.6 meters in diameter all types of shear blades within.)