THE BASIC PRINCIPLES OF JUAL STEEL GRATING

Produksinya menggunakan paduan dari bahan virkan/besi ulir dan plat strip besi yang dilas sampai kuat dan diberi finishing warm dip galvanized. ASTM A992 – normal specification for steel for structural shapes for use in setting up framing. This specification handles rolled designs for use in making framing or bridges, or for common structural f