| Concrete pump boom elbow  
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Concrete pump boom elbow is made of special quality steel which is quenched and carried out carburizing chemical treatment on the inner wall. The hardness of the flanged bushings can reach 58-60 degrees and the serving life of pipeline can increase 3-5 times, which enables users to save time and cost, enhancing the production efficiency.Material:High Manganese casted such as ST52, 37Mn5, 45Mn2Wall Thickness:2mm to 10mm or moreWorking Capacity:25000-35000cbmApplication:Used for the concrete transportation in construction work Skype: jeangao1211 Phone:+86 13730593715
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