{HEAD ~ The carbon content} of the powder mixture is no more than 0.05% by weight and the reduction annealing takes {TAIL ~ place} in a temperature range of 850° 950° C 
{ HEAD ~ The carbon content } of the powder mixture is no more than 0.05 % by weight and the reduction annealing takes { TAIL ~ place } in a temperature range of 850 ° 950 ° C
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH