Function: vacuum oil quenching tempering of high-strength structural steel Working dimension (mm): ￠2000×3000 Highest working temperature of quenching furnace: 1100±10℃ Highest working temperature of tempering furnace: 540±5℃ Working vacuum: 1.33Pa Maximum vacuum degree in heating room: 6.7×10-1Pa Pressure rising rate：0.67Pa/h Furnace loading: 800kg Transfer duration: 35
