文章转载请附带地址
以下是最常见的无缝管规格，同时也是国家规定的规格。
    国标 22-28X2.5-4-6
               32-38-40X3-4-6-8
               42-48X3.5-4-5-8-10
               51-60X3.5-5-6-7-9
               76-89X4.5-6-8-10-12
              108-133X5-6-8-10-12
              159-168X7-8-10-14-18-26
              194-219X6-8-12-20-26-38
              245-273X10-12-14-16-22-15-40
              325-355.6X11-14-16-20-30-40
              377-426X11-14-16-20-25-40-45
              426-508X14.2-17.5-22-45-52
              530-558.8X16.8-60-70

This entry was posted on Monday, June 14th, 2010 at 3:34 pm and is filed under . You can follow any responses to this entry through the feed. You can , or from your own site.