... Lowest Using Temperature Expand coefficient Coefficient transmit hot Coefficient of wear Resist Radialization 250N/mm2+280-1953.0× ... machining accessories.8.Thin wall structure, light weight, lessen mechanical cubage.9.The backside can, late mul-metal, ... corrosion medium. at present, have applied widely all sorts of mechanical arthrodia, for example, printing press, spinning machine, tobacco machine ...