... chemical composition, less impurity and smooth surface. The rod diameters range is from 2.5 to 8.0mm. ... 2.200.10Bal 0.101.70screw feeder,die inserts,sealing faces in valve of nuclear industryDeloro 45450.378.753 ... 800.10Bal 0.102.20pump shaft,pulp knives,valve,sealing rings,sleevesDeloro 55550.5011.003.60 4.500. ... 10Bal 0.502.10valve,sealing rings,sleevesDeloro 60590.6515.004.30 4.000. ...