Wuxi YUTONG

  ISO H8 Cylinder tube is a cold-drawn steel tube, steel grade ST52 , in accordance with DIN 2391 HONED with ISO-tolerance range H8 on the internal diameter. Basic material for manufacturing welded hydraulic cylinders particularly suitable for the industrial, mobile and special applications sector. Honing process Of  H8 Cylinder Tube * machining the internal surface of the tube to a precise diameter and surface finish *  using a honing stone to remove material and achieve the desired surface finish  * Resulting in a smooth , cylindrical internal surface with a surface finish of Ra 0.2 – 0.4um ( micro – inches) Description Of H8 Cylinder Honed Tube Material : E355 ST52,STKM 13C 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,GOST 8731,GOST 10...

 In the competitive landscape of hydraulic systems and precision engineering, selecting the right material for critical components can make or break operational efficiency. Among the top contenders,  STKM13C seamless honed tubes  stand out as a premier choice for demanding applications. Let’s explore why this material outperforms alternatives like ST52 steel tubes , aluminum alloy pipes, and traditional welded cylinders. 1. Unmatched Strength and Durability STKM13C cold-drawn seamless steel tubes are engineered for high-stress environments. With superior tensile strength compared to standard carbon steel tubes (e.g., ST44, ST52), these honed tubes withstand extreme pressure cycles in hydraulic cylinders and pneumatic systems. Unlike aluminum tubing that may deform under heavy loads or welded pipes prone to seam weaknesses, the seamless structure of STKM13C ensures uniform wall thickness and consistent performance. 2. Precision Surface Finish for Optimal Efficiency The hon...