steel calculation formula
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
