16Mn(Q345B)194*6-8-10-12-14-16-18-20-25-30-35-40
16Mn(Q345B)203*6-8-10-12-14-16-18-20-25-30-35-40
16Mn(Q345B)219*6-8-10-12-14-16-18-20-25-30-35-40-45-50
16Mn(Q345B)232*6-8-10-12-14-16-18-20-25-30-35-40-45-50
16Mn(Q345B)245*6-8-10-12-14-16-18-20-25-30-35-40-45-50
16Mn(Q345B)273*6-8-10-12-14-16-18-20-25-30-35-40-45-50
16Mn无缝钢管重量公式: [(外径-壁厚)*壁厚]*0.02466=kg/米(每米的重量)