Rolling of steel plates is the core of the entire steel rolling production process. The billet is deformed by rolling. The rolling process plays a decisive role in product quality. The quality requirements of rolled 12Cr2Mo1R material steel products include the three aspects of product geometry and dimensional accuracy, internal organization and performance, and product finish. Finishing: It is the last process in the 12Cr2Mo1R material steel rolling process, and it is also a more complicated process. It plays a final role in guaranteeing the quality of the product.
On November 1st, our company organized some of company staff to visit Zhengzhou Children Welfare Institute, and gave children cookies and toys, as well as concerns to the Children. With the development of the society, disabled children gets increasing concerns and help from all walks of life. Fortunately, Chinese Government gives high concern to the handicapped children and has built Children Welfare Institutes all over the country to guarantee their lives.
Z-direction steel refers to thick steel with good tensile resistance in thickness direction. In the application of steel plate, the reason for additional performance requirements on the thickness direction of steel is due to the existence of defects in the thickness direction of steel in the process of casting and rolling. This defect makes the steel prone to lamellar tearing during welding, which reduces or even loses the design bearing capacity of application. The Z-direction performance is required for 12Cr2Mo1R material steel and so on steel plate with the tensile force along the plate thickness direction greater than or equal to 40mm.
08Cr2AlMo steel retains the contents of corrosion resistant elements Cr, Al and Mo of 12Cr2AlMoV steel, and reduces the carbon content of the steel. Without adding vanadium, the produced 12Cr2Mo1R material steel, 08Cr2AlMo steel pipe not only meets the manufacturing process of heat exchanger, but also maintains high resistance to sulfur and hydrogen corrosion. For some special medium, 08Cr2AlMo steel can replace the expensive 18-8 duplex stainless steel and Monel alloy, and it is a new kind of steel with low price and good quality.