20 years of export | Dual certification | Global shock absorber expert
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| item | value |
| 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):50-300mm |
| Inner diameter(mm):40-250mm | |
| 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 |
