终冷温度对Mn系超低碳HSLA钢组织及低温韧性的影响
高古辉, 桂晓露, 安佰锋, 谭谆礼, 白秉哲, 翁宇庆

EFFECT OF FINISH COOLING TEMPERATURE ON MICROSTRUCTURE AND LOW TEMPERATURE TOUGHNESS OF Mn-SERIES ULTRA-LOW CARBON HIGH STRENGTH LOW ALLOYED STEEL
GAO Guhui, GUI Xiaolu, AN Baifeng, TAN Zhunli, BAI Bingzhe, WENG Yuqing
表1 不同终冷温度下超低碳高强度低合金钢(ULC-HSLA钢)的拉伸性能
Table 1 Tensile properties of the ultra-low carbon high strength low alloyed (ULC-HSLA) steel under different finish cooling temperatures
FCT
Tensile strength
MPa
Yield strength
MPa
Yield ratio
Elongation
%
550 972 745 0.766 21.5
450 990 775 0.782 17.5
350 996 783 0.786 17.0