Piston Rod
Oil Pipe, Hydraulic System
Hollow Shaft
H8 H9
Precision Piston Rod Steel Hollow Shaft
Hard-Chromed
Cold Drawn
Hv800-1050
Drive Shaft
Stiffness / Rigid Axle
Straight Shaft
Real Axis
Round
Oil Apply+ Carton+Pallet
Customization
Ningbo
Product Description

Specification:
Precision Piston Rod Steel Hollow Shaft | ||
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 | 200-600m (Customers usually choose the 300~500m) | |
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 |
Precision Piston Rod Steel Hollow Shaft



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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