A kind of alloy for motor housing and its processing technology
A technology of motor casing and processing technology, applied in the field of alloy for motor casing and its processing technology, can solve the problems of slow production process, increased logistics management cost, total cost, irregular appearance, etc.
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Embodiment 1
[0051] Step 1. Prepare an alloy with excellent wear resistance and forging processability, containing Cu: 0.55wt%, Al: 0.15wt%, Ti: 0.55wt%, Nb: 0.025wt%, Sc: 0.15wt%, Co : 0.08wt%, Mn: 0.13wt%, Zn: 0.075wt%, Sm: 0.085wt%, Mg: 0.05wt%, C: <0.02wt%, Si: <0.02wt%, P: <0.02wt%, S: <0.01wt%, N: 0.001-0.01wt%, the balance is Fe and unavoidable impurities.
[0052] The slab with the above chemical composition is subjected to multi-pass rolling at 1200° C. or higher, and the hot rolling is completed in a temperature range of 850° C. or higher and 900° C. or lower. After completion of hot rolling, cool to a temperature range of 600-650° C. or lower at a cooling rate of 300° C. / s or higher after rolling, and then cool to a temperature range of 500° C. or lower at a cooling rate of 80° C. / s. Further, it was cooled to room temperature at a cooling rate of 0.1° C. / second to obtain a hot-rolled steel sheet.
[0053] The hot-rolled steel sheet obtained through the hot-rolling step and the...
Embodiment 2
[0059] Step 1. Prepare an alloy with excellent wear resistance and forging processability, containing Cu: 0.5wt%, Al: 0.2wt%, Ti: 0.5wt%, Nb: 0.04wt%, Sc: 0.15wt%, Co : 0.10wt%, Mn: 0.12wt%, Zn: 0.05wt%, Sm: 0.06wt%, Mg: 0.06wt%, C: <0.02wt%, Si: <0.02wt%, P: <0.02wt%, S: <0.01wt%, N: 0.001-0.01wt%, the balance is Fe and unavoidable impurities.
[0060] The slab with the above chemical composition is subjected to multi-pass rolling at 1200°C or higher, and the hot rolling is completed in a temperature range of 850°C to 900°C. After completion of hot rolling, cool to a temperature range of 600-650° C. or lower at a cooling rate of 300° C. / s or higher after rolling, and then cool to a temperature range of 500° C. or lower at a cooling rate of 80° C. / s. Further, it was cooled to room temperature at a cooling rate of 0.1° C. / second to obtain a hot-rolled steel sheet.
[0061] The hot-rolled steel sheet obtained through the hot-rolling step and the cooling step is subjected to co...
Embodiment 3
[0067] Step 1. Prepare an alloy with excellent wear resistance and forging processability, containing Cu: 0.5wt%, Al: 0.1wt%, Ti: 0.4wt%, Nb: 0.02wt%, Sc: 0.25wt%, Co : 0.12wt%, Mn: 0.1wt%, Zn: 0.04wt%, Sm: 0.08wt%, Mg: 0.05wt%, C: <0.02wt%, Si: <0.02wt%, P: <0.02wt%, S: <0.01wt%, N: 0.001-0.01wt%, the balance is Fe and unavoidable impurities.
[0068] The slab with the above chemical composition is subjected to multi-pass rolling at 1200°C or higher, and the hot rolling is completed in a temperature range of 850°C to 900°C. After completion of hot rolling, cool to a temperature range of 600-650° C. or lower at a cooling rate of 300° C. / s or higher after rolling, and then cool to a temperature range of 500° C. or lower at a cooling rate of 80° C. / s. Further, it was cooled to room temperature at a cooling rate of 0.1° C. / second to obtain a hot-rolled steel sheet.
[0069] The hot-rolled steel sheet obtained through the hot-rolling step and the cooling step is subjected to col...
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