Concrete wear plate and ring 1.Brand: PM, Schwing, Sany,... 2.Material:7 shape Tungsten ... 3.Lifetime: 30,000~80,000cbm Concrete wear plate and ring 1. Type: Tungsten carbide, 7 shape T.C 2. Application: concrete ... pump 3. Lifetime: 30,000~80,000cbm based on different type 4. Tensile strength≥ 2500 N/mm2 5. HRA>86 6 ...