HCJNantong HuichenjinPiston Rod Supply

Product specification

Honed Tube for Hydraulic Cylinder Barrels

Cold drawn or seamless honed tubes with stable bore finish for hydraulic cylinder barrel production.

Technical Specifications

Values below are standard supply references. Final production follows confirmed drawing, standard, or purchase specification.

MaterialST52, E355, 20#, 45#, stainless options
DiameterID 30 mm to 500 mm
LengthStock and cut-to-length supply
ToleranceH8 / H9 / drawing
Chrome ThicknessNot applicable, optional external protection
Surface RoughnessRa <= 0.4 um typical bore finish
StraightnessControlled for cylinder barrel machining
HardnessPer material and heat treatment requirement

Applications

Cylinder barrels
Hydraulic presses
Industrial machinery

RFQ Checklist

Send drawings, material grade, diameter, length, tolerance, chrome thickness, roughness, packaging requirements, annual volume, and target delivery schedule.

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