carbon steel


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Annealing Process of Seamless Steel Pipe

Annealing process of  seamless steel pipe : 1. Fully annealed. It is used to refine the coarse and superheated structure with poor mechanical properties in medium and low carbon steels after casting, forging and welding. The workpiece is heated to a temperature between 30 and 50 ° C above the temper ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 11 months agoPress > Seamless steel pipecarbon steelannealing process

Difference Between 10# and 20# of Seamless Steel Pipe

Along with the continuous development of the society and the modern development of urbanization, the use of seamless steel pipes is becoming more and more extensive, such as the construction of electrified high-speed railways, substations, and communication facilities. Therefore, the demand for seam ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 year agoPress > Seamless steel pipecarbon steelhigh pressure boiler tube +1

How To Clean The Inner Wall Of A Seamless Steel Pipe

Everyone knows that seamless steel pipes will have oil stains and oxide scales generated by welding and some other dirt during the production process. The outer wall is better cleaned: if it is oily, it can be washed with organic solvent or lye. If it is rusted, use a special rust remover. But how ...

lvy lee - Permanent Steel Manufacturing Co.,Ltd


Posted 1 year agoPress > Seamless steel pipecarbon steelinner wall +1