Mechanical properties and heat treatment process of 17CrNiMo6 steel

Range of mechanical properties of 17CrNiMo6 steel:
Note: The actual mechanical properties are subject to the MTC.
Tensile strength σb(MPa): ≥1295
Yield strength σs(MPa): ≥1050
Elongation δ5(%): ≥14
Impact work Akv(J): ≥45
Annealing hardness: ≤229HB
Experimental sample: 15mm

17CrNiMo6 steel heat treatment process:
17CrNiMo6 steel normalizing heating temperature: 830-870℃, cooling method: air.
17CrNiMo6 steel soft annealing heating temperature: 650-700℃, cooling method: furnace cooling.
17CrNiMo6 steel carburizing heating temperature: 880-980℃.
17CrNiMo6 steel core hardening heating temperature: 830-870℃, cooling method: water cooling.
17CrNiMo6 steel surface hardening heating temperature: 780-820℃, cooling method: water cooling.
17CrNiMo6 steel tempering heating temperature: 150- 200℃.