Steel plate for low internal stress automobile axle housing and production method thereof
A production method and technology of internal stress, applied to the steel plate for low internal stress automobile axle housing and its production field, can solve the problems affecting the normal production of automobile axle housing, affect the normal production of axle housing, large internal stress of the steel plate, etc., and achieve economic benefits And the effect of obvious social benefit, good formability and low internal stress
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[0028] The present invention will be further described below in conjunction with specific examples.
[0029] The mass percentage distribution ratio of chemical elements of the steel plates of Examples 1-10 of the present invention is shown in Table 1, and the balance is Fe and unavoidable impurities.
[0030] The value list (wt%) of each embodiment of the present invention of table 1
[0031] Example
C
Si
mn
Nb
Ti
als
P
S
1
0.13
0.37
1.45
0.025
0.005
0.045
0.010
0.002
2
0.13
0.20
1.38
0.007
0.012
0.027
0.015
0.006
3
0.14
0.36
1.37
0.010
0.030
0.038
0.013
0.003
4
0.15
0.30
1.45
0.016
0.018
0.030
0.005
0.003
5
0.15
0.40
1.53
0.013
0.013
0.020
0.015
0.003
6
0.16
0.37
1.55
0.020
0.016
0.037
0.012
0.004
7
0.17
0.28
1.50
0.025
0.030
0.025
0.0...
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