1. Commodity: Cold drawn seamless honed hydraulic cylinder tube
2. Size range: 40mm*30mm-356mm*300mm
3. Steel grade: ST52,ST52.3,ST52.4,E355,E410,E470,C45E,CK45,SAE/AISI 1026,SAE/AISI 1045,27SiMn,20MnV6
4. Manufacture Method: Cold rolled, Hydraulic cold drawn
5. Delivery condition:
| BK |
BKW |
BKS |
GBK |
NBK |
| +C |
+LC |
+SR |
+A |
+N |
| Cold rolled |
cold drawn |
stress relieved |
Annealed |
Nornalized |
6. Bore treatment: honing, skiving&roller burnishing
7. Bore roughness: Ra0.25um or Ra0.35um max for honing, Ra0.25um max for skiving&roller burnishing
8. ID tolerance: ISO H8.
9. Packing: in bundles tied with steel strips. Int&ext oil coating. End plastic caps. External packing by PVC bags and knit bags.
