hot rolled steel channel barSize from 50*37mm to 400*104mm and web thickness from 4.5-14.5mm, weight per meter from 5.438Kg to 71.488Kg. The standard length is 6 meters and 12 meters. The most popular grades are Q235B (Equivalent with St37.2, S235JR,ASTM A36) and Q345B (Equivalent with St52.3, S3...
By: xlalpha
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from Instructables: exploring - technology http://ift.tt/1w2KnWa
By: xlalpha
Continue Reading »
from Instructables: exploring - technology http://ift.tt/1w2KnWa
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