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目前显示的是 四月, 2025的博文

How to distinguish the quality of hydraulic seamless steel pipes?

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 The quality of hydraulic  seamless steel pipes can be distinguished from the following aspects: First, distinguish by checking the appearance. The surface of inferior seamless steel pipes is prone to scarring, which is mainly due to more impurities and uneven materials. Second, dimensional accuracy. The inner and outer diameters of inferior small-diameter seamless steel pipes fluctuate too much. Some may also have a wall deviation phenomenon, and the wall deviation phenomenon is serious. Third, folding. Fake steel pipes are prone to folding. Folding is a variety of fold lines formed on the surface of seamless steel pipes due to the manufacturer's pursuit of high efficiency. This defect usually runs through the entire product. The surface is pockmarked, the surface is prone to scarring and cracks, and even scratches, there is no metallic luster, and the cross-section is oval. These defects have made us deeply uneasy. Especially when they aere used for cylinder barrels . Fourt...

YUTONG INDUSTRY/ precision honed tubing/hydraulic tubes/cylinder barrels

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YUTONG MACHINERY CO. LTD was established in 2001, we are the professional leading manufacturer & supplier of hydraulic cylinder honed tube and cylinder piston rod in Wuxi City, Jiangsu Province. Specializing in the production of various types of hydraulic cylinders as well as cylinder barrel and tube, cylinder rods,honed tubes,skiving roller &burnished tube, cold drawn precision tube ,chrome plated bar,hollow chrome rod ,induction hardened chrome rod and other cylinder accessories. OUR TEAM Our factory has more than 250 skilled staff, among those 40% are engineers and high educated staff, and 30% of our workers have more than 20 years’ experience in manufacturing. OUT PRODUCTS Cylinder Honed Tube,Cylinder Piston Rod, Hydraulic Cylinder Barrel, Skived and Roller Burnished Tube, Cold Drawn Precision Tube,Chrome Plated Bar, Hard Chrome Rod, Hollow Chrome Rod,Induction Hardened Piston Rod, Induction Hardened Chrome Plated Bar and other steel tube and rods. EQUIPMENT & FACILITIE...