2022.07.19 03:36The steel pipe for cold drawn pipe commonly Is mainly used for power plant and nuclear power plant boiler high temperature resistant, high voltage transmission fluid collection box and the pipeline. It represents material 20 and 45 steel, etc. Mainly used for making all kinds of gas, hydraulic cylinders. The steel pipe for cold drawn pipe commonly, its representativ...
2022.07.19 03:34As the current head of the short service lifeWhen the steel pipe into the cooling bed, its quality is difficult to change, the quality of the cooling bed area of the quality of steel can really reflect the actual situation in front of a number of processes. Second, the slope of the tube will have some adverse effects on the perforation process.The heating time is prolonged...