张云祥, 赵嘉蓉, 张海鸥, et al. An Analysis on Strengthening Factors and Mechanical Properties of Q345B Steel Strip Produced by CSP Process[J]. Special Steel, 2007, 28(1): 24-25.
张云祥, 赵嘉蓉, 张海鸥, et al. An Analysis on Strengthening Factors and Mechanical Properties of Q345B Steel Strip Produced by CSP Process[J]. Special Steel, 2007, 28(1): 24-25.DOI:
and c longation of 2.0~12.7 mm steel Q345B strip produced by CSP process(71 mm cast slab)and conventional process(250 mm cast slab)have been analyzed by quantimet and statistic of product mechanical properties.The results indicated that the grain size of strip produced by CSP process was7.03~8.78 μm
grain size rating 11.5~12.0
average YS-UTS ratio 0.77 and elongation 27.8% which were higher than that by conventional process(respectively8.79~8.95 μm
10.0~ 10.5
0.72 and 25.0%).Calculated results show that the contributions of fine grain strengthening and precipitation strengthening of low carbon steel strip produced by CSP process make up 59% of all strengthening factors
while that by conventional process make up 55% of all factors.