Charlotten76 seamless pipe priceSeveral common treatment methods for maintaining passivation

C-section steel has uniform zinc layer, smooth surface, strong adhesion, no zinc scar, no zinc leakage and high dimensional accuracy. All surfaces are wrapped by zinc layer and the zinc content on the surface is usually -g /? It has long service life, corrosion resistance and durability. It is a kind of stronger protection.The specification of pass design I-beam is expressed in cm of waist width. For example, light I-beam and wide parallel leg I-beam (H-beam). The waist width of hot-rolled ordinary I-beam in China is ~, expressed as No. ~ No.,CharlottenHow much is 110 galvanized pipe per meter, and the inclination of inner wall of leg is : The pass system of rolled I-beam includes direct pass system cross pass system and mixed pass system. In addition, I-beam can also adopt special rolling method.Charlotten,Galvanized pipes shall be stored in dustproof to keep clean and new . As a professional manufacturer of galvanized pipe, we have produced galvanized pipe products for many years. Welcome friends who need to buy.The specification of I-beam is expressed in cm of waist width. For example,CharlottenLarge diameter high pressure alloy pipe, 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.Bagland Province,Stages needing attention in the production and manufacture of alloy tubesI-beam is an economic section high-efficiency profile with more optimized section area distribution and more reasonable strength weight ratio. It is named because its section is the same as the English letter 'H'.Application scope of alloy pipe

Alloy pipe is a very important way and type of seamless steel pipe. Its use is relatively common. It is widely used in various engineering projects, house construction and building decoration. Its fracture will always be found in the production, manufacturing and key marketing of alloy pipe, That is, many stages of production and processing are not done well. Another is that the seasoning is not enough and the proportion of chemical molecules is wrong. There are all reasons.General welded pipe: General welded pipe is used to transport low-pressure fluid. It is made of qa, qa and QA steel. It can also be made of other mild steel that is easy to weld. Water pressure, zigzag, flattening and other tests shall be carried out for steel pipes, and there are certain requirements for surface quality. Generally,Charlotten25 price of galvanized pipe, the delivery length is -m, and steel pipe can be divided into threaded and non threaded according to the way of pipe end.What should we pay attention to in the production of alloy pipetargetHowever, what we need to do now is to improve the production technology level of China&#;s production process of C-section steel, and step up the formulation of relevant industry standards and inspection standards. C-section steel manufacturers should keep close contact with truck manufacturers and communicate more. In this way, it is more conducive for C-section steel manufacturers to produce C-section steel products suitable for truck industry.The sodium cyanide passivation treatment of alloy pipe can be divided into four categories. Before passivation treatment, the surface of alloy pipe shall be clear of oil stains, pickled and passivated. Passivation treatment can be carried out only after the surface is cleaned, and the workpiece of alloy pipe products can be infiltrated into aqueous solution. The passivation treatment of the alloy tube in sodium cyanide transforms the surface layer into a very thin passivation treatment film, which determines that the color of the surface layer has no change before and after passivation treatment, and the reproducibility of the solution is good. Small longitudinal crack

Key technical characteristics of alloy pipeproduction costs,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.Cutting machine, electric welding machine, polishing machine, electric hammer, etcThe shape of small longitudinal crack on the surface of alloy pipe is less than mm The overall width is less than mm The depth is lower than .mm.Charlotten,Performance parameters and application scope of I-beam Miscellaneous scabWith the development of steel structure buildings, only I-beam is not enough, that is, which is easy to lose stability for load-bearing columns.