... , Hensley, Volvo and Kobel.The carbon steel bucket have the mechanical properties as below:1) Hardness: 45--54HRC2) AKV: >25J ... Komatsu: PC60, PC100, PC200-1-2-3-A-B-C-D-E, PC300-1-2-3-A-B, PC220- ... 6, PC300, PC400, PC400-A-B-C, PC650, PC10002) Caterpillar: E312, E200B-A, E200B-B, ... , E325, E245B, E3402, E33523) Daewoo: DH130, DH220-A-B-C, DH280-A-B, DH330, DH55V4) Hitachi: EX200-5, EX300, ...