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QPQ Piston Rod with a Polished Rod for Gas Spring

Basic Info

Model No.: QPQ Piston Rod with Polished

Product Description

Car Shock Absorber Piston rod  
Material  of Piston Rod According to User Requirements
(SAE1035/SAE1045)
Specifications  of Piston Rod Φ4 ~ Φ18
Length  of Piston Rod 30-1000mm
Straightness  of Piston Rod 0.02x300
Roundness  of Piston Rod 0.01
Cylindricity  of Piston Rod 0.02
Concentricity  of Piston Rod 0.04
Machining Accuracy  of Piston Rod ISO 2768-1-f
Surface Roughness  of Piston Rod Rz0.2~0.4 / Ra0.1max
Induction Hardness  of Piston Rod HRC35~HRC65
Axis Hardness  of Piston Rod HB220~280
Surface Treatment  of Piston Rod QPQ/Nitrogen
Thickness of chromed  of Piston Rod According to User Requirements
(5~20um)
Hardness  of Piston Rod 800Hv(50gm)min
Cracks  of Piston Rod 30 ~ 60/mm
Salt spray  of Piston Rod 48hrs - 120hours(Chromed)
    1.Production Equipment   CNC Machine, Grinding Machine, Induction Hardening Machine, Threading Machine, Automatic Chrome Plating Machine.        2.Testing Equipment    Projector, Salt Spray Tester, Universal Material Tester, Plating Thickness Tester, Hardness Tester, 100% Visual Inspection.       Packaging & Shipping 3.Packaging     Each piston rod is wrapped with anti-rust paper and packed into a paper box. Then paper box is packed into a wooden box.      Our Services      4.Service   OEM / After Market      FAQ    What are we doing ?    We specialises in development ,manufacturing and distributing of motorcycle and automobile shock absorber components ,such as piston rod , piston, Sintered part,,spring ,metal Stamping Part, bushing,Inner Tube .   Who are we ?  Manufacturer and trader of auto parts .   Why us ? ·1. More reliable :Strictly quality control and many years experience , we have quality control person for each purchase order . · 2. More choice :Thousands kinds of production for your choice   · 3. More competitive price    Where are we ?   Ningbo ,Zhejiang ,China        

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