... assurance 4.manufacturer,UT% test,MTC 1.tool steel 1.6582 flat bar AISI 4340 /DIN 1.6582 / JIS SNCM 8 steel flat ... (max)0.17-0.37 0.60-0.901.25-1.750.15-0.25 3. 4340 the tempering temperature can ... smelting facilities data as following:45 tons EBT, 50 tons EF, 50 tons VODForging equipment :a 3200 tons pressing machine , a ... of gantry millings, 12 of lathe machines etc. tool steel 1.6582 flat bar