Place of Origin:
Zhejiang,China
Brand Name:
TORICH
Certification:
ISO9001 ISO14001 TS16949
Model Number:
DIN 2391, EN 10305-1, SAE J524, ASTM A519 and GB3639
Usage
 Applicable to hydraulic pressure, pneumatic cylinder,oil pump barrel, motor body, transmission shaft, etc.
| Honed tube for hydraulic cylinder | ||
| Standard | DIN2391, EN10305, JIS G3445, ASTM A519, GB/T 8713... | |
| Material | ST45, ST52, E355, E355SR, STKM13C, SAE1026, 20#, Q235B, CK45... | |
| Heat treatment | BK+S | |
| 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  |  		|
 
 Process
 Raw materials- Cold drawn/rolled- Heat treatment(BKS)- Honed or SRB- packing
 
 Steel Grade
 ST52, ST52.3, E355, SAE1026, Q345B.
 *Low temperature impact test upon request (27J/-20°C). 
 
 Size
 Processing Cylinder diameterLength /mmStraightnessSize accuracyWall thickness/mmInner boreroughness
 Cold Drawn/RolledID28~OD400≤12M0.3~1.0m m/m H8-H11±5%0.8~1.6um
 Honed/SRBID30~OD500≤12M0.3~1.0m m/m H8±5%0.4~0.8um
 
 Packing: With anti-rust oil on inner diameter of each pipe,tube caps on both ends, hexagonal bundles of max 3,000 kg with several steel strips, nylon bag and waterproof paper package each bundle. Of course, customers can customize other packing way.
Send your inquiry directly to us