casting aluminum parts 1)Aluminum alloy ADC12 casting 2)CNC machining+paiting casting aluminum partsWeight : 0.3kG- 8KgTechnical ParametersThe front and rear wheel axles shall use 42CrMo4 material, HRC22-83.The wheel hub material is ADC12. Weight and requirements of materials of each part of wheel hub:casting aluminum partsTensile strength≥230MPa, elongation≤2%machinal TecTensile strength≥230MPa, ...