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WHAT MATERIAL IS USED FOR THE CYLINDER BARREL?

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  As the main component of the hydraulic cylinder, the processing quality of the   cylinder barrel  directly affects the life and reliability of the entire product. The cylinder has high processing requirements, and its inner surface roughness is required to be Ra0.4 ~ 0.8um, and the requirements for coaxiality and wear resistance are strict. Generally, it is processed and produced by the principle of  honing  or rolling. The common materials of cylinder barrel are SAE1020, 1026, 1045,  ST52 seamless honed tubes , the steel tube is honed or rolled to meet the roughness requirement within 0.4μm. The low-pressure oil cylinder can use 1020 steel pipe, and the high-pressure oil cylinder can use CK45 steel pipe. As a professional cylinder barrel supplier, manufacturer,exporter in China,  Wuxi YUTONG  has more than 20 years production experience, we sell hydraulic honed tubing to customers and provide full range of technical support. Imperial sizes...
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The Advantages Of E355 ST52 Honed Tubes

  E355 ST52 Honed tube  is very widely used as cylinder barrel in hydraulic cylinder design and repair. It is the core part of the hydraulic cylinder.  Honing is a processing technique. Through the honing head, the reciprocating high-speed grinding technology is used to process the inner hole of the cold drawn pipe, so that the inner hole meets the requirements of the tolerance size and surface roughness we need. The advantages of our ST52 honed tubes 1. High precision tolerances;  Wuxi YUTONG ’s honed tube can meet ID tolerance H7, H8, H9, … etc according to the customer’ requirements, and its I.D dimension. 2. Seamless tube with high pressure resistance;We only use  seamless cold drawn tubes  to produce honed pipes, which means our honed tubing can work under higher pressure, thus our honed pipes are more reliable for hydraulic cylinder applications. 3.   Advanced manufacturing equipment and facilities, including: cold drawing machine, cold roll...
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The Hardness Of Induction Hardened Bar

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  The process of   induction hardened bar   can enhance the mechanical properties of ferrous and alloy components in a specific part. Typically, the material of doing induction hardening includes  CK45 , 20MnV6,  4140  and 4340. First, the piston rod will be put into a copper coil, and it’s heated by alternating current. Then, the outer surface of the  cylinder piston rod  will be heated to a temperature above the transformation range. After that, the piston rod will be tempered immediately to adjust the hardness level.  The final surface hardness of the induction hardened rod will be HRC 55° ± 2°. The chrome layer hardness is 850 HV0.1. The surface hardness in the induction hardened zone immediately beneath the chrome layer is 55 HRC min. The depth of hardening is between 1.0 and 3.0 mm depending on dimension. As a professional  chrome plated bar  supplier, manufacturer,exporter in China,  Wuxi YUTONG  has more than 20 ye...
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