... :2008 2. HIP sintered 3. from Zhuzhou City, Hunan, China 4. have 10 years' exprience in tungsten cabide industry TypeSize(mm ... .71615-45BDd 18 H1.8,2.8,3.6,4.6,5.4,6.41820-50BDd 20 H1.0,2.8,3 ... .0,7.0,8.22020-50BDd 22 H3.8,4.6,5.4,6.4,8.0,9.0,9.5,102220-60BDd ... ,7.0,8.0,10.0,10.52520-60BDd 30 H3.6,4.6,6.0,7.0,8.2,8.8 ... .8,14.5,15.4,15.8,17.4,18.24020-65BDd 45 H12,13,15.4,17.4,19.4,20.5,21.54525 ...