FORFARANDE FOR FRAMSTELLNING AV EMNEN ELLER PROFILER

摘要

A molten mass of steel is atomised by means of pressurised water; the irregular steel powder produced is subjected to a reduction annealing to remove the oxide skin surrounding the individual powder grains, plate-shaped compacts produced from the powder and a sheet-metal case is filled with these compacts to a desired level and the resulting preform extruded.