Sign In | Join Free | My ecer.jp |
|
Industry Parts Tungsten Carbide Nozzle 100% Raw Material High Melting Point Property of tungsten carbide nozzles for oil drill bits Density:14.7-14.9g/cm³ Hardness:≥HRA 89.0 T.R.S:≥2020n/m㎡ Porosity: ...