A low-alloy plate referred to, refers to a steel alloy containing less than 3.5% collectively. Say that the general market is the low-alloy plate Q345B plate. Divided into low-alloy steel, alloy steel and high-alloy steels, by definition, in order to contain the amount of alloying elements to be distinguished, the total is less than 3.5% of known low-alloy steel, of 5 to 10% of the steel, greater than 10% of high-alloy steel. Selling two 021 -60,512,175; Mobile: 18602160779 Chen Website: www.cfgangban.com [Chang Feng Steel public micro letter: cfgt28]