CHOCKY BAR. Hardness: 65HRC. Chocky bar welding on the surface of the product requiring wear-resistant protection. High chromium material, very wear resistant. There are different sizes. Ther are CB25, CB40, CB50, CB65, CB80, CB90 CB100, CB130, CB150 and so on, Suitable for mining operations, reduce the number of manual replacement. Materials and processes developed by oneself. own test center and R & D team. Product Performance Leading World. If there is a need or intention to cooperate, please contact foreverget@nfcompany.com directly. We can also design drawings and materials for you if you need anything.