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utzmeister Concrete Pump Spectacle Wear Plate 1.Tensile strength >2500 N/mm2 2.Material:Tungsten carbide 3.Size:DN200 Putzmeister Concrete Pump Spare Parts-Wear plate 1. Application: PM trailer and truck mounted concrete pump 2. Size: small mouth, big mouth...etc 3. Material: tungsten carbide, body S35C steel, electrode from Germany 4. Lifetime:30,000~80,000cbm 5. HRA≥86 6. Tensile strength >2500 N/mm2 7. Made in Zhuzhou--tungsten carbide base Putzmeister wear plate li