Microalloying wear resisting ball and preparation method and preparation system thereof
A technology of microalloying and preparation system, which is applied in the field of metallurgy, can solve the problems of poor production process and unstable hardness of grinding balls, and achieve the effects of good and stable product quality, enhanced wear resistance, and short production cycle
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Embodiment 1
[0047] This embodiment discloses a microalloyed wear-resistant ball, and its main chemical composition (mass fraction %) is shown in Table 1.
[0048] Table 1 Chemical composition of microalloyed wear-resistant balls
[0049] C
Si
mn
Cr
B
N
Mg
Ca
P
S
Fe
0.8
0.2
0.68
0.43
0.08
0.02
0.12
0.1
≤0.010
≤0.010
margin
[0050] This embodiment discloses a microalloyed wear-resistant ball preparation system, its structure is as follows Figure 1-2 The shown includes: sequentially connected smelting device, continuous casting and rolling device, induction heating device 2 (intermediate frequency induction heating device), steel ball rolling mill 4, ball sieving device 5 and heat treatment device. The end of the reaction heating section of the induction heating device 2 is provided with an infrared temperature measuring device 3, and the preparation system of the micro-alloyed wear-resistant ball also incl...
Embodiment 2
[0059] This embodiment discloses a microalloyed wear-resistant ball, and its main chemical composition (mass fraction %) is shown in Table 2.
[0060] Table 2 Chemical composition of microalloyed wear-resistant balls
[0061] C
Si
mn
Cr
B
N
Mg
Ca
P
S
Fe
0.75
0.3
0.7
0.45
0.1
0.02
0.12
0.1
≤0.010
≤0.010
margin
[0062] This embodiment discloses a microalloyed wear-resistant ball preparation system, its structure is as follows Figure 1-2 The shown includes: sequentially connected smelting device, continuous casting and rolling device, induction heating device 2 (intermediate frequency induction heating device), steel ball rolling mill 4, ball sieving device 5 and heat treatment device. The end of the reaction heating section of the induction heating device 2 is provided with an infrared temperature measuring device 3, and the preparation system of the micro-alloyed wear-resistant ball also inc...
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