Passivation treatment operation of alloy pipeAlloy pipes are widely used in building materials,JillHow much is welded pipe, and the test standards of alloy pipes are also different. Alloy pipe has high hardness and can be used at many levels, most of which is prestressed reinforcement. Where plastic deformation is not specified but compressive strength is specified, such stainless steel plate can be applied.Jill, Pure zinc layer is a plastic zinc layer in hot-dip galvanizing. Its properties are basically close to pure zinc and have ductility, so it is flexible. Galvanized pipe is widely used in architecture. This product must have been seen by everyone. However, there are many types of it. When you buy it,JillWhat is the outer diameter of 80 welded pipe, you should also find out which one you need. The reason why it is favored by everyone in the market is inseparable from its advantages. Next, Xiaobian will lead you to see the advantages of galvanized pipe.→ I-beam can be processed into T-beam, and honeycomb beam can be combined to form various section forms, which greatly meets the needs of engineering design and manufacturing.Bouafle,After determining the reasonable pickling agent and polishing solution, it is very easy to carry out hot galvanizing for relevant alloy pipes. Use 'phosphating treatment' to degrease the pipes of electrolytic machine equipment, put them into the aqueous solution with zinc salt after pickling and passivation, and connect the switching power supply, If the current flows from the positive stage to the negative stage, a layer of zinc is deposited in the pipe.Plan scheme : high carbon steel with carbon content exceeding .% and alloy pipe with chromium content not less than %Requirements of alloy tubes for low and medium pressure boilers

Heating surface tubes for low and medium pressure boilers (working pressure is generally not greater than MPA and working temperature is below ℃);Thin wall steel pipe, thick wall steel pipe.The crack mainly occurs at -mm from the edge of the alloy pipe. The shape is several parallel vertical cracks of different sizes. The regularity is that the thicker the specification and model of the alloy pipe is The wider the width, the more serious the disadvantages.Click to view, Peak crackWhen selecting I-beam in structural design reasonable I-beam shall be selected according to its mechanical properties, chemical properties, weldability and structural size. I-beam is mainly divided into ordinary I-beam, light I-beam and wide flange I-beam. According to the height ratio of flange to web,JillHow much is a ton of I-beam now, it is divided into wide, medium and narrow flange I-beams.When selecting I-beam in structural design, reasonable I-beam shall be selected according to its mechanical properties, chemical properties, weldability and structural size.

Pass designExecutive standard,The shape of I-beam is similar to that of H-beam. What is the difference between them?Various advantages of seamless pipe are widely used to manufacture structural parts and mechanical parts such as petroleum drill pipe automobile drive axle, bicycle frame, steel scaffold for construction engineering, improve material utilization, simplify manufacturing process, save materials and processing time, and are widely manufactured with steel pipe. Only by choosing suitable seamless pipes in different fields can we save resources and improve efficiency. In the future we will expand the research on seamless pipes and produce more seamless pipes with good performance. Please pay more attention to this website. I bring you new knowledge of seamless pipe. In recent years, seamless pipe is more widely used, the market demand of various industries is too large, there are more and more enterprises producing seamless pipe, and the product quality is more uneven.Ways to obtain surface compressive stress characteristics of alloy tubesJill,The delivery length of I-beam is divided into fixed length and double length, - and - according to different specification numbers. The length selection range of imported I-beam is generally -.So why is the alloy pipe easy to rust after being pickled and passivated by the software?The high-temperature passivation treatment of alloy pipe is to obtain the passivation treatment film by heating in the heat treatment equipment. Before passivation treatment, the surface layer of parts must be removed to remove waste. At a higher temperature, the passivation treatment film can be obtained according to the transformation temperature and time. The hue of passivation treatment film can refer to the annealing color of alloy pipe, and the main parameters of ambient temperature and time of heat treatment process can be selected.