What is the material for concrete pump delivery
ST52.3 is the most popular material of concrete pump delivery cylinders. Steel ST 52.3 is a low alloy steel that is commonly used in structural applications especailly for cylinder tubes, it is equal to steel grade E355 and S355, ST52.3 steel is the most common material for manufacturing concrete pump delivery cylinder tubes.. St 52.3 is well-known for its high strength, good toughness, and