No. 20 b one meter with multiple channel
Channel steel 20#b theoretical weight 25.77Kg/ meters
GB/T 706-2008 "hot rolled steel" No. 20 B channel 25.777kg/m.
Each physical channel is the standard provisions of 20b# weight 25.777 kg, but the actual weight is not up to a difference.
Each physical channel is the standard provisions of 20b# weight 25.777 kg, but the actual weight is not up to a difference.