1.Standard: DIN, AS, JISK, ISO,etc 2.Character:Light weight, high strength,good trough ability and impact resistance Standard: DIN, AS, JISK, ISO,etcApplication:Widely used in mining, power plant, construction, port, metallurgy, chemistry, and food industries.Character: Light weight, high strength, good abrasion/acid/alkali/heat/humidity resistance, good trough ability and impact resistanceNN( ...