Auto Shock Absorber Shaft Piston Rod Tube

Basic Info

Product Name	Auto Shock Absorber Hollow Piston Rod
Surface	Hard-Chromed
Tolerance	H8 H9
Technique	Cold Drawn
Electroplating Hardness	Hv800-1050
Application	Oil Pipe, Hydraulic System
Transport Package	Oil Apply+ Carton+Pallet
Specification	Customization
Origin	Ningbo

Product Description

Auto Shock Absorber Shaft Piston Rod Tube

Specification:

Auto Shock Absorber Hollow Piston Rod
Standard	DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713...
Material	All kind of brass,copper,stainless steel etc...
Heat treatment	BKS
Specification	Outer diameter(mm)	Inner diameter(mm)
	50-300mm	40-250
I.D Tolerance	H8-H9
Length	3-9m (Customers usually choose the 4~5.8m)
Straightness	1/1000
ID roughness	RA 0.4micron(max)
Technology	Honed & SRB(SKIVED AND ROLLER BURNISHED )
Scope	Honed tube for hydraulic cylinder, swivel crane, injection machine and construction machine application

Auto Shock Absorber Hollow Piston Rod

Auto Shock Absorber Shaft Piston Rod Tube

Manufacturing process description:

1. Hydraulic shear cutting
2. CNC machining + additional broaching and milling operations
3. Induction hardening at a range of different frequencies and powers
4. Rotary straightening

5. Proportionally servo controlled CNC grinding
6. Leading edge technologies for hard chromium,
7. Dehydrogenation and tempering
8. Wet polish and superfinish polish with 100% surface condition control
9. Export Packaging
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