C-shaped channel steel is a light metal profile with a "C"-shaped cross section. It is rolled from high-quality steel, with parallel flanges on both sides and a stable structure connected in the middle web. There are three main specifications (ASTM A123, A153, and A767) governing th to apply a protective coating of zinc to steel or iron surfaces. It involves immersing the cleaned and p t-dip galvanized on the surface to improve corrosion. Shipping fee and delivery date to be negotiated. Chat with supplier now for more details. welcome to taobao purchase photovoltaic base hot-dip galvanized two-hole three-hot base solar photovolole base solar photovovovooltaic bachet base, taobao hundreds of millions of hot sale, official logistics can send to the global ten land, support online to send to the world, support foreign. 41*21 / 41*41 / 41*52 / 41*62 / 41*72 / 41*82 mm or customized size. 【Materials】:Carbon steel, Aluminium or Stainless Steel tube or sheet pieces. Hot-Dip Galvanized Steel solar mounting system HDsolar offers Hot-Dip Galvanized Steel solar mounting system with different designs. It is widely used in building.