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202 stainless steel plateStructural analysis and research

Article author:202 stainl issuing time:2021/12/09 09:01:55 Reading:119

Hydraulic test shall be conducted for the steel pipe bearing fluid pressure to test its pressure resistance and quality. It is qualified if there is no leakage or expansion under the specified pressure. Some steel pipes shall also be subject to crimping test flaring test and flattening test according to the standard or the requirements of the demander.

4Among the steel products exported by China, steel pipe has always been the focus of foreign anti-dumping and countervailing investigations. The Russian Ministry of industry and trade announced that it would launch an anti-dumping investigation on Chinas cold-rolled stainless steel seamless steel pipes exported to the Russian Belarus Kazakhstan customs union. Before that, the Brazilian foreign trade chamber also said that it would impose an anti-dumping tariff of US $ per ton (about RMB yuan) on Chinas steel pipe products, which is valid for five years.

mStainless steel is usually divided into stainless steel pipe, stainless steel pipe and ferritic stainless steel according to the matrix structure. Chromium content % ~ %. Its corrosion resistance, toughness and weldability increase with the increase of chromium content,stainless steel sheet and its chloride stress corrosion resistance is better than other kinds of stainless steel.

; gt; %). It means: times of Dr + iron loss value (iron loss value per unit weight when Hz repeated magnetization and sinusoidal magnetic induction intensity is T) + times of thickness value. For example,2018 stainless steel plate priceHow to do independent research and development dr- indicates that the iron loss value is hot-rolled silicon steel plate with thickness of .mm. The grade of hot rolled silicon steel sheet for household appliances is expressed by JDR + iron loss value + thickness value, such as jdr-.

EASBE trevoryHot rolled silicon steel sheet hot rolled silicon steel sheet is represented by Dr, which is divided into low silicon steel (silicon content & le; %) and high silicon steel (silicon content & amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp

RrFor the length of welding arc, ~ mm is better for ordinary steel welding, and ~ mm is better for stainless steel welding. If it is too long, the protection effect is not good.

[hot rolled strip / sheet] has the advantages of low hardness, easy processing and good ductility.


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Its alloy composition (chromium, nickel titanium, silicon,stainless steel sheet aluminum, etc.) and the internal structure of stainless steel coil plate are mainly composed of chromium. Chromium has high chemical stability, isolate the metal from the outside, protect the steel plate from oxidation and increase the corrosion resistance of the steel plate. After the passivation film is destroyed, the corrosion resistance decreases.

jSome reasons for product composition ratio: in order to reduce the production cost, reduce the proportion content of some important elements such as chromium and nickel, and increase the content of other elements such as carbon. This production phenomenon that the composition ratio is not strictly in accordance with the product model and product characteristics not only greatly reduces the product quality, for example, when the chromium content of stainless steel pipe is insufficient, it not only affects the production The corrosion resistance and formability of products have potential product quality and safety hazards when they are used in chemical,stainless steel sheet equipment and production industries. At the same time, they also affect the appearance and oxidation resistance of products.

WThe process of this product determines its limited performance. Generally,2018 stainless steel plate priceHow to do independent research and development the precision of seamless steel pipe is low: uneven wall thickness, low brightness on the inner and outer surface of the pipe, high sizing cost, and there are pockmarks and black spots on the inner and outer surface, which are not easy to remove; its detection and shaping must be processed offline. Therefore, it embodies its advantages in high pressure high strength and mechanical structure materials.

LWelcome calls Mechanical properties when the steel or sample is stretched, even if the stress is no longer increased when the stress exceeds the limit, the steel or sample continues to have obvious plastic deformation,tisco stainless steel sheet,taigang stainless steel sheet,stainless steel sheet,stainless steel coil,stainless steel strip,stainless steel tube-TISCO Stainless Steel Co.,Ltd which is called yield, and the small stress value when the yield phenomenon occurs is the yield point.

gTThere are about types of hot rolled (hot extruded) stainless steel pipes with a diameter of -mm and types with a wall thickness of -mm. There are types of cold drawn (rolled) stainless steel pipes with a diameter of -mm and types with a wall thickness of .-mm.

Steel strip, thin strip, roll strip, calendering strip and other strips can be cut with a thickness of . to mm (Note: stainless steel calendering strips of various thickness and width can be produced according to the needs of customers)


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Corrosion test: the industrial corrosion-resistant steel pipes provided shall be tested for corrosion resistance according to the standard provisions or the corrosion agreed by both parties, and there shall be no tendency of intergranular corrosion.

High valuey(soft, / / h) and other primary and secondary stainless steel coils.

VDesign and research of high precision stainless steel pipe stainless steel pipe has many advantages, such as high strength, good corrosion resistance, strong impact resistance and so on, which makes it widely used in various fields of life. With the continuous improvement of automation, people have higher and higher requirements for the cutting quality of stainless steel pipe. At present, which seriously restricts Chinas industrial development. Therefore, recently, the research on pipe cutting machine with high precision, high automation, high cutting quality and high cutting efficiency has become the research focus and difficulty of relevant disciplines, and it is also the inevitable trend of the further development of Chinas industry. Firstly, the intermittent cutting method of planetary bisymmetric eccentric installation can reduce the cutting deformation of stainless steel pipe and improve the cutting accuracy; Secondly, the tools of the intermittent stainless steel pipe cutting machine are eccentrically installed on the planetary gear to complete the rotation at the same time of revolution. Therefore, only one main motor can drive two tools to rotate. Through the mechanical structure, the usage of the motor is reduced, the service efficiency of the motor is improved, and the manufacturing cost of the equipment is reduced; Then, the main components of the intermittent pipe cutter are analyzed by using SolidWorks D solid software and ANSYS finite element analysis software. The rationality of the structure is verified by ANSYS software to improve the service life of the pipe cutter. At present, there are still many deficiencies in pipe cutting in China, which seriously restricts Chinas industrial development. Therefore, recently, the research on pipe cutting machine with high precision, high automation, high cutting quality and high cutting efficiency has become the research focus and difficulty of relevant disciplines, and it is also the inevitable trend of the further development of Chinas industry. Firstly, the cutting characteristics of the intermittent stainless steel pipe cutter in the cutting process are analyzed, and the cutting force in the cutting process is calculated. Secondly, the overall cutting scheme of the intermittent stainless steel pipe cutter is determined, and the structure is designed. Then, the finite element analysis is carried out for the important parts of the intermittent stainless steel pipe cutter, The reliability of its strength and stiffness is verified. In the design process of intermittent stainless steel pipe cutting machine, the combination of theoretical analysis and computer simulation is used to verify the feasibility of the design, complete the tasks of scheme determination, theoretical analysis and structural design, and verify the rationality of the structure. This paper aims to design a pipe cutting machine with high automation, compact structure and high cutting precision, so as to improve the cutting quality of stainless steel pipe and bring more economic and social benefits to the enterprise. This paper comprehensively analyzes the research on stainless steel pipe cutting machines at home and abroad, draws lessons from the advanced structural design of relevant foreign pipe cutting machines, and makes a comparative analysis and Research on the characteristics of easy deformation and difficult cutting of stainless steel pipes. Taking the stainless steel pipe with diameter of mm ~ mm and wall thickness of mm ~ mm as the design object, and based on the structure of the existing planetary pipe cutting machine, An intermittent cutting with planetary double symmetrical eccentric installation is proposed. The cutting can not only realize its own main motion and feed motion, but also reduce the deformation of stainless steel pipe in the cutting process. It specializes in selling L stainless steel pipe, s stainless steel pipe and L stainless steel pipe with large quantity, fire resistance, high temperature resistance, strong and durable, Safe and reliable. Improve the quality of cutting surface.

Classification and grading of standards - classification: national standard GB industry standard Yb local standard enterprise standard Q / cb- classification: product standard packaging standard basic standard - standard level (divided into three levels): y level: international advanced level I level: international general level H level: domestic advanced level - national standard stainless steel bar (level I) gb- stainless welding disc Park (level H)

tThe difference between duplex stainless steel plate and ferritic stainless steel plate: the comprehensive mechanical properties are better than ferritic stainless steel, especially the plastic toughness, the raw material difference of the three materials, such as and, which are common in the market is more than yuan per ton.

The application of stainless steel pipe in the automobile industry is developing rapidly. In recent ten years, stainless steel pipe materials have been widely used in public transportation tools such as buses, high-speed railway vehicles, household cars and so on!

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