Bar shear blade material:5CrNiMo,5CrW2Si, 6CrW2Si, 3Cr2W8V, 4Cr5MoSiV1(H13). This series of bar shear blade which is developed by our company , the life is above 3-5 times of the overall alloy tool steel bit , and may carry on the pre-protection and repair. Product variety Applicable working conditions Typical application Structure Edge hardness Matri part Cutting edge Temperature 600 JC-1 Shear higher than 1150 without water Billet blade Alloy toll steel Heat-resistant and wear-resistant hard alloy ≥40HRC 250HV JC-2 Shear steel billet of 800-1150,the blade without water or poor water condition All kinds of hot rolled billet,hot-rolled wood blade ≥40HRC 238HV JC-3 Shear the steel,water-cooled blade with better conditions All kinds of hot-rolled billet,Hot-rollered wood blade ≥20HRC 215HVIn order to serve and supply you better products,we sincerely hope that you could afford such information as below:1.The detailed technical drawing of the blade you need, which listed the size, the material, the hardness.etc. Of course I can offer our drawings for your reference.2.Usage, working environment,technical requirement.3.Your quantity.4.The delivery time 5.Mode of shipping,etc.