... bucket teeth Material: alloy steel Technique:Forging casting Surface Hardness:46-52 HRC Impact Value:16-22J bucket teeth1. ... -clase fancilities such as Spectrometer, Universal Tensile Tester, Impact Test and Hardness Tester and imported heat-treatment machine and painting machine ... . We also can manufacture products with different materials, with hardness from HRC33 to HRC52, Impact value from 16-20J . ...