... Material:Q195,Q235(A.B),Q215,Q255,Q275,Q345 AND SO ONZinc coating:60g/m2-275g/m2 Thickness:1 ... Application:widely used for roof,outer walls,steel profiles and fire resisting shutter, the seemed pip.The main purpose ... architectural decoration, steel billets, rolling shutters, doors and windows of the color plates, civil chimney, agricultural and sideline, aquaculture, home appliances, cables with ...