... , ect. Dimension:50*37-400*104 channel steel bar(high quality and low price)The products of Hengji Steel include ERW pipes ... steel bar, channel steel bar, deformed steel bar, cold/hot rolled steel in coils, etc. The application of our products ... power, steel structural products, building, etc. The company implements international and domestic standards including API SPEC 5CT, API SPEC5L,ASTMA53,CB ...