... grade: Q235/Q345B 3. Application: warehouse, workshop, hanga steel structure warehouse & workshop Steel structure warehouse is widely used in easy factory construction ... , steel building, metal building, modular house, steel frame for warehouse, workshop, garage etc, steel beams, other riveting and welding ... /M2) 2)Wind speed(KM/H)3)Snow load (KG/M2)4)Earthquake load if have5) Demands for doors and ...