Round steel pipe

Building materials refers to the general term of various materials used in civil engineering, which can be divided into structural materials, decorative materials and some special materials. Structural materials include wood, bamboo, stone, cement, concrete, metal, brick, ceramic, glass, engineering plastics, composite materials, etc. Decorative materials include various coatings, paints, coatings, veneers, ceramic tiles of various colors, glass with special effects, etc. Special materials refer to materials used for water proofing, moisture proofing, anti - corrosion, fire proofing, flame retarding, sound insulation, heat insulation, heat preservation, sealing, etc. It should be noted that the " building materials" in the architecture discipline refers to the discipline that studies the physical and chemical characteristics of different building materials.