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                洛阳通方科技有限公司

                产品中心products

                碳化钨铜好运快3开奖记录

                发布时间:2015-11-10来源:点击:1117

                碳化钨铜好运快3开奖记录

                电好运快3开奖记录材料(Electrical Contact Materials)

                碳化钨铜碳化钨密度硬度导电率
                牌号Cu%(±2)WC%g/cm3(≥)HB(≥)IACS%(≥)
                WC-Cu3030余量12.5
                22030
                WC-Cu4040余量11.820035

                 


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