Technical parameters covers board: Test load: 400KN heavy drain cover Which is good, general-type 250KN, light 125KN; bending strength: the impact strength of 22MPa averages: Average 10J / m2; Compressive Strength: Average 25MPa; tensile strength : Average 10MPa; elastic modulus: Average 1000MPa; water absorption: 1%; Acid resistance: 20% sample drain cover manufacturers, sulfuric acid solution soak 48h; no surface corrosion mass loss of 1%. Mesh Size: 3MM thick flat selection grid specifications must be 30MM, 40MM multiples (eg: 30 × 30,30 × 60,30 × 90; 40 × 40,40 × 80,40 × 120); 4MM thick The flat steel mesh size must be chosen for 30MM, 50MM multiples (eg: 30 × 30,30 × 60,30 × 90; 50 × 50,50 × 100,50 × 150); 5MM thick flat selection grid Specifications must be a multiple of 40MM and 50MM (eg: 40 × 40,40 × 80,50 × 50,50 × 100) ordinary low carbon steel grating 150 / square meter stainless steel steel grating 300 / sqm we can processing into any size and shape. Different specifications, price is not the same. Cover the drainage area drainage cover _ _ Asahi promise offered by Anping wire mesh wire mesh Co., Ltd. Asahi Connaught. Asahi Connaught Anping Wire Mesh Products Co., Ltd. (www.wangpian1688.com) strong, credible, Hebei Hengshui wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Asahi Connaught wire mesh and you hand into the brilliant, for a better future!