Evaluation method of composition segregation of low-carbon high-manganese steel continuous casting small square billet
A component segregation and billet technology, which is applied to the analysis of materials, material analysis using wave/particle radiation, and measurement devices, can solve the problems of inability to accurately quantify the degree of component segregation of continuous casting slabs, and achieve stable results and simple operation , the effect of a large amount of data
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[0020] 160mm for low carbon and high manganese steel 2 The alloy welding wire continuous casting billet is analyzed, and the samples are divided into three groups: Group1, Group2 and Group3, of which Group2 is the sample of Group1 after simulating the billet heating furnace process on the rolling site, and the heating process is: 15℃ / min to 650°C; 10°C / min to 1100°C; post-holding for 36min, quenching and air cooling. The composition of the corresponding slab is shown in Table 1, and the continuous casting process is shown in Table 2. sampling methods such as figure 1 shown, at a position 35mm away from the edge of the slab (such as figure 1 ), select 3 to 4 fields of view for analysis.
[0021] Table 1 Chemical composition of samples
[0022] Numbering
C
Si
Mn
P
S
Ti
Alt
Als
Group1
0.077
0.87
1.46
0.014
0.014
0.004
0.008
0.007
Group3
0.077
0.86
1.46
0.01
0.013
0....
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