Views:0 Author:Site Editor Publish Time: 2020-02-15 Origin:Site
round bar (公斤)=0.00617×D×D×Lenght
square weight(公斤)=0.00785×width×width×lenght
steel tube weight(公斤)=0.02466×thinkness×(od-thinkness)×lenght
steel plate weight(公斤)=7.85×thinkness ×area
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