超微粒硬质合金：Z01Z10Z20Z30A1A40CCF0F19.钨钢G1G2G5G6G7D30D40K05日本JIS标准结构用铸钢牌号:SC360SC37S***10S***2S***50S***6S***80S***9SC360S***10S***50S***80SCC3ASCC3B……….瑞典SS标准,碳素结构钢:1211122512261232123312341250126513001310131113101313133013311332135013571370联系电话：15913779293欧阳小姐)