... Ordinary grooved steel and light steel channel Name:Channel beam, U-steel,channel steel,Standard:GB, ASTM, API, GB 5310- ... -Q345,Technique:Size51*25*3---305*80*13mmLength:6---12mShape:U ChannelApplication:building structure, vehiclesCountry of Origin:China(mainland)Package :Standard ... 30 working daysSpecifications1.Material:Q195-Q345, A36,S235JR. 2.Shape: U Channel 3.Standard:ASTM,EN,JIS,GB 4.Thickness ...