无缝钢管规格型号表大全 无缝管12*1-1.5-2.5无缝管70*4.5-5-6-7-8-9-10-12-15-16无缝管245*8-10-14-17-20-22-30-40无缝管14*1.5-2.5-3无缝管73*4-4.5-5-6-7-8-9-10-12-15无缝管273*7-8-10-16-18-20-25-30-45-60无缝管16*1.5-2.5-3无缝管78*4-4.5-5-6-7-8-9-10-12-14无缝管299*8-12-2...

时间:2025-01-05 01:02栏目:行业资料

型号外径壁厚截面面积重量外表面积IWmmmmmmcm^2kg/mm^2/mcm^4cm^330x23021.7591.3810.0941.7301.1530x2.5302.52.1601.6950.0942.0601.3734x23422.0111.5780.1072.5801.5234x2.5342.52.4741.9420.1073.0901.8238x23822.2621.7760.1193.6801.9438x2.5382.52.7882.1890.1194.4102.3238x33833.2992.5890.1195.0...

时间:2025-01-05 01:02栏目:行业资料