Wuxi YUTONG/ 4140 round steel bar/chrome plated bar/cylinder piston rod/...

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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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Superior Strength & Performance Of SAE4140 Honing Tube

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  In industries where reliability and precision are paramount,   SAE 4140 honing tubes   have emerged as a game-changer. Combining the robustness of SAE 4140 alloy steel with the precision of advanced honing processes, these tubes deliver unmatched performance in critical applications. Whether you’re building hydraulic systems, aerospace components, or high-pressure machinery, here’s why SAE 4140 honing tubes should be your material of choice. What Makes SAE 4140 Honing Tubes Stand Out? Material : 4140,AISI4140, SCM440, 42CrMo4  Delivery Condition : BK, BK+S, GBK, NBK ID Size  : 20mm – 1500mm，Length: max 16m Type : Seamless, Hot Rolled, Cold Rolled, Cold Drawn Straightness : ≤ 0.5/1000； Roughness: 0.2-0.4 u Tolerance EXT : DIN2391, EN10305, GB/T 1619 Tolerance INT : H7,H8,H9 SAE 4140 steel is a low-alloy chromium-molybdenum steel known for its exceptional strength, toughness, and fatigue resistance. When paired with p...
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The Hardness Of 4140 Chrome Cylinder Rod

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  4140 chrome cylinder rod   is used extensively by the hydraulic cylinder and pneumatic industries, and is employed by other industry sectors for a wide range of applications requiring higher strength. 4140 is a 1% Chromium - Molybdenum high tensile steel supplied in the hardened and tempered, cold drawn or turned, precision ground, polished, chrome plated and final polished condition, with a typical base metal tensile strength of 850 - 1000 Mpa, plus a typical  hard chrome plated surface hardness  of HV 1000 - 1150. Characterized by an extremely smooth surface finish with excellent wear and corrosion resistance, coupled with a base material giving high strength and good impact properties. 4140  hard chrome plated bar  has very good machinability, similar to 4140 uncoated bar. Machining however should commence beneath the chrome plating, or at the unchromed surface at the end of the bar. To protect the polished chrome surface, soft materials such as copper...
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