low carbon adapter Material Standard: ASTM,AISI, DIN, BS and JIS ... carbon steel bucket have the mechanical properties as below:1) Hardness: 45--54HRC2) AKV: >25J (normal temperature)3) Yield point: 1 ... ) Demark: H65, H85, H1358) Kato: HD12509) Volvo: volvo230, volvo210, volvo220 low carbon adapter