Hot Rolled Steel Channel: (1)Standard: AISI, ASTM, GB (2)Grade: Q195-Q345 SS400 (3)Shape: U Channel (4)length:5.8m-13m Standard: AISI, ASTM, BS, DIN, GB, JISDimensions: 100*50*4.5mm*6m-300*90*13mm*6mGrade: Q195,Q215,Q235B,Q345B,SS400Place of Origin: Tianjin China (Mainland)Brand Name: ZhongtongModel Number: 100*50*4.5mm*6m-300*90*13mm*6mShape: U- ChannelApplication: Engineering structure,Steel- ...