... and quchening in air condition.Structure Instruction:Pit tempering furnace consists of steel shell,door,lining,strong fan,crucible ... ,electrical heating elements and electrical control cabinet,etc. Furnace Model Rated temperature(°c) Dimension(mm) Power(Kw) ... (USD) RJ2-25-6 650 Φ400X500 25 2,800.00 RJ2-35-6 650 Φ500X650 35 4,200 ... .00 RJ2-90-9 950 Φ600X1200 90 7,800.00 RJ2-50-12 1200 Φ600X800 50 6, ...