產品名稱：單動作氣動驅動器 一、化學成分及機械性能零件名稱材質化學成分（%）力學性能CSiMnSPCrNi b(MPa) s(MPa) (%) (%)箱體HT2003.281.9210.7250.0870.1060.130.121215///氣缸QT450-103.702.810.450.0210.0280.1320.13149535215/撥叉QT450-103.702.810.450.0210.0280.1320.13149535215/活塞桿45．HCr0.460.250.640.0170.0280.0430.0126754202348閥桿45．HCr0.460.250.720.0180.0230.0470.0166954452346.5