China Wholesale Ssaw Pipe Suppliers - Hydraulic cylinder seamless steel pipe – Wenyue

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Innovation, excellent and reliability are the core values of our company. These principles today much more than ever form the basis of our success as an internationally active mid-size business for Slip On Flanges, Square Steel Pipe, Marine Steel Plate, We sincerely welcome both equally international and domestic company associates, and hope to work along with you during the in close proximity to foreseeable future!
China Wholesale Ssaw Pipe Suppliers - Hydraulic cylinder seamless steel pipe – Wenyue Detail:

Hydraulic cylinder seamless steel pipe is suitable for oil, hydraulic cylinder, mechanical processing, thick wall pipeline, chemical industry, electric power, boiler industry, high temperature, low temperature and corrosion resistance seamless steel pipe, and it is suitable for petroleum, aviation, smelting, food, water conservancy, electric power, chemical industry, chemical fiber, medical machinery and other industries.
Due to the surface residual compressive stress left in the surface layer of hydraulic cylinder, it is helpful to close the surface micro cracks and hinder the expansion of erosion. Thus, the corrosion resistance of the surface can be improved, and the generation or expansion of fatigue crack can be delayed, thus the fatigue strength of quilted tube can be improved. Through rolling forming, a layer of cold work hardening layer is formed on the rolling surface, which reduces the elasticity of contact surface of grinding pair.
Therefore, the wear resistance of the inner wall of the quilting tube is improved and the burn caused by grinding is avoided. After rolling, the reduction of surface roughness can improve the matching properties.
Rolling is a kind of chip free machining, which uses the plastic deformation of metal at room temperature to flatten the micro unevenness of the workpiece surface, so as to change the surface structure, mechanical properties, shape and size. Therefore, this method can achieve both finishing and strengthening at the same time, which is impossible for grinding.

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No matter what kind of processing method is used, there will always be fine uneven tool marks on the surface of the parts, resulting in staggered peaks and valleys, Rolling processing principle: it is a kind of pressure finishing, which uses the cold plastic characteristics of metal at room temperature, and applies certain pressure to the surface of the workpiece by rolling tools to make the metal on the surface of the workpiece produce plastic flow and fill in the original residual low concave trough, so as to reduce the surface roughness of the workpiece. Due to the plastic deformation of the rolled surface metal, the surface structure is cold hardened and the grains become fine, forming a dense fibrous layer and forming a residual stress layer. The hardness and strength of the surface are improved, so the wear resistance, corrosion resistance and compatibility of the workpiece surface are improved. Rolling is a cutting free plastic processing method.
Advantages of seamless steel pipe for hydraulic cylinder:
1. The surface roughness can reach RA ≤ 0.08 & micro; M.
2. The ovality can be ≤ 0.01mm.
3. The surface hardness is increased to eliminate the stress deformation, and the hardness is increased HV ≥ 4 °
4. After machining, there is residual stress layer, and the fatigue strength is increased by 30%.
5. It can improve the matching quality, reduce wear and prolong the service life of parts, but the processing cost of parts is reduced.


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China Wholesale Ssaw Pipe Suppliers - Hydraulic cylinder seamless steel pipe – Wenyue detail pictures

China Wholesale Ssaw Pipe Suppliers - Hydraulic cylinder seamless steel pipe – Wenyue detail pictures


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With our leading technology as well as our spirit of innovation,mutual cooperation, benefits and development, we will build a prosperous future together with your esteemed company for China Wholesale Ssaw Pipe Suppliers - Hydraulic cylinder seamless steel pipe – Wenyue, The product will supply to all over the world, such as: Peru, Iraq, Sri Lanka, We have got constantly insisted on the evolution of solutions, spent good funds and human resource in technological upgrading, and facilitate production improvement, meeting the wants of prospects from all countries and regions.
  • The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Martin Tesch from Jersey - 2017.10.25 15:53
    In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Monica from Dubai - 2018.06.26 19:27

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