... Channel Steel/Steel Channel (GB/EN) 1.Material:Q235 Q195 Q345 2.Brand name: RF 3.Standard:GB/T707-1988 EN10025 Channel Steel ... /Steel Channel (GB/EN)Main MaterialQ235 Q195 Q345BrandWugang/Laigang ... HIC test,Bend test,Tensile test,Impact testDetection StandardChina:JB4730,GB/T2970 America:A435,A577,A588 Japa:JISG0801,JISG0901 Britan: ...