金属-板材-图片2-达叻典型钢腐蚀速率
根据四个大气实验站 3 个月、 8 个月、 12 个月和 24 个月取样周期内典型钢种 Q345 碳钢、 400E、 450qNH、 420qNH、 Q345qNH 腐蚀速率变化规律,图2为达叻大气实验站典型钢的腐蚀速率
Metal sheet picture 2 typical corrosion rate of Dalat steel
The corrosion rate of typical steel Q345 carbon steel, 400e, 450qnh, 420qnh and q345qnh in three, eight, twelve and twenty-four sampling periods of four atmospheric experimental stations is shown in the figure2