After reduction annealing for about 70 minutes at approximately 900° C., the powder, having {HEAD ~ a residual oxygen content} of {TAIL ~ less than 0.15 percent} by weight and a particle size after sieving of less than 0.2 mm, was mixed with microwax as a lubricant 
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After reduction annealing for about 70 minutes at approximately 900 ° C. , the powder , having { HEAD ~ a residual oxygen content } of { TAIL ~ less than 0.15 percent } by weight and a particle size after sieving of less than 0.2 mm , was mixed with microwax as a lubricant
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH