Steel channel
Steel grade:Q195 -235;Q235B
Standard:GB/T700 - 1988
Length:5.8m - 12m
Type:5#- 36#
Height:50mm - 320mm
Thckness:2mm-12mm
Width:20mm - 700mm
Surface treatment:Pre-painted,Zinc coated,Chormated,unoiled,oiled
