GB No. I-beam is in height, in leg width and in waist thickness. The cold-rolled stainless steel pipe has the advantages of large yield coefficient, no expansion, bending and so on. In order to reach the health grade standard of stainless steel pipeline, the pipeline after cold rolling must undergo bright annealing, demagnetization, pickling calibration and other procedures.The specification of I-beam is expressed in cm of waist width. For example, the waist width of No. I-beam is cm. The types of I-beam include hot-rolled ordinary I-beam Light I-beam and wide parallel leg I-beam (H-beam). The waist width of hot-rolled ordinary I-beam in China is ~ mm, expressed as No. ~ No., and the inclination of inner side wall of leg is : The pass system of rolled I-beam includes direct rolling pass system, cross rolling pass system and mixed pass system. In addition, I-beam can also adopt special rolling method.Price,c. quality inspection is carried out for alloy pipes, so that the whole process of steel pipe processing is under reasonable inspection and supervision, the weight of hot-rolled H steel structure is reduced by % - % compared with the traditional structure.What is nitriding of alloy pipe
The side length of I-beam is small and the height is large, so it can only bear the force in one direction.A complete range of products,LuerHow much is a ton of straight welded pipe, there are many passivation methods for alloy tubes, the common ones are high temperature passivation or sodium cyanide passivation.A major defect is its instability to the corrosion process, which can not resist all factors. Producers need a solution that can solve the corrosion problem. The decision has been found. They become a galvanized steel pipe.Dehydrogenation solution: the alloy pipe shall be dehydrogenated after passivation treatment to avoid alkali embrittlementLuer,Passivation treatment operation of alloy pipeThe utility model has the advantages that the axial force of the roll is small, the axial movement is small, and the working slope is not required,→ compared with general section steel, it has the advantages of low cost, high precision and small residual stress. It does not need expensive welding materials and weld detection, and saves about % of the manufacturing cost of steel structure.
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