Induction annealing process of 95CrMo steel for rock drilling rod
An annealing process and a drill rod technology are applied in the field of induction annealing process of 95CrMo steel used for rock drilling rods, which can solve the problems of high energy consumption, long production cycle and high production cost of the 95CrMo drill rod annealing process, and achieve low energy consumption, The heating device is simple and practical, and the production cost is low
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Embodiment 1
[0024] Example 1. The induction annealing process of 95CrMo steel for rock drilling rods, the 95CrMo steel, by weight percentage, its main components are C0.9-1.00%, Si0.15-0.40%, Mn0.15-0.40%, Cr0. 8~1.20%, Mo0.15~0.30%, P≤0.025%, S≤0.025%, Cu≤0.25%, the balance is Fe and unavoidable impurities; medium frequency induction heating is adopted, and the heating temperature is controlled at 830~880℃ , The heating and holding time is controlled at 80~300s, the cooling method is air cooling, and the annealing hardness is ≤255HB.
Embodiment 2
[0025] Example 2. The induction annealing process of 95CrMo steel for rock drilling rods, the 95CrMo steel, by weight percentage, its main components are C0.9-1.00%, Si0.15-0.40%, Mn0.15-0.40%, Cr0. 8~1.20%, Mo0.15~0.30%, P≤0.025%, S≤0.025%, Cu≤0.25%, the balance is Fe and unavoidable impurities; medium frequency induction heating is adopted, and the heating temperature is controlled at 830~880℃ , The heating and holding time is controlled at 120~300s, the cooling method is air cooling, and the annealing hardness is ≤255HB.
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