Element I: Item INTRODUCTION
one. Description: E355 Honed metal tube is a kind of easy bore steel tube utilized to manufacture hydraulic cylinder barrels that is the core element of a piece of hydraulic cylinder.
two. Commodity: E355 honed metal tube for hydraulic cylinder
3. Measurement variety: 40mm*30mm-580mm*500mm
4. Obtainable steel quality:
| SAE/AISI: | SAE1571, SAE1026, SAE1045, SAE4130, SAE4140 |
| DIN: | ST52, ST52.3, ST52.four |
| EN: | E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470 |
| GB: | 20#, 45#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, |
five. Manufacture approach: Cold rolled, hydraulic chilly drawn, scorching rolled+deep hole uninteresting
six. Shipping and delivery issue:
| BK | BKW | BKS | GBK | NBK | Q+T |
| +C | +LC | +SR | +A | +N | |
| Cold rolled | Cold drawn | Tension relieved | Annealed | Normalized | Quenched+Tempered |
7. Bore remedy: Honing, skiving&roller burnishing
8. Bore roughness handle: Ra0.25um max or Ra0, 35um max for honed tubes, Ra0.25um max for skived&roller burnished tubes.
9. Stop finish: Plain finishes with sq. cuts, cost-free of burrs for honed tubes. Little bevelled finishes for skived&roller burnished tubes.
10. CZPT export packing: In bundles tied with metal strips. Int&ext oil coating. Stop plastic caps. Exterior packing by PVC baggage and knit bags.
eleven. CZPTized packing and marking can be offered upon request.
twelve. H8 tolerance:
| ID range | Tolerance | ID selection | Tolerance |
| eighteen< d ≤30 | +/+.033 | one hundred eighty< d ≤250 | +/+.072 |
| thirty< d ≤50 | +/+.039 | 250< d ≤300 | +/+.081 |
| 50< d ≤80 | +/+.046 | 300< d ≤315 | +/+.081 |
| 80< d ≤120 | +/+.054 | 315< d ≤400 | +/+.089 |
| one hundred twenty< d ≤180 | +/+.063 | four hundred< d ≤500 | +/+.097 |
thirteen. Distinction in between honed tube and skived&roller burnished tube: In hydraulic cylinder business, there are 2 solutions for bore treatment: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing qualified prospects to distinct internal surface impression, but both ensure great roughness.
Interior Floor Condition OF HONED TUBES:
Inner Surface area Problem OF SKIVED&ROLLER BURNISHED TUBES:
Element II: Usually Requested Queries
1. MOQ: CZPTly Min Get Amount can be two-three tons/dimension for tubes with OD below 250mm, and 10 tons/measurement for tubes with OD over 250mm. Occasionally, it depends on steel grade you need to have. If you need to have unique grade like E410, E470 or alloy steel tube, MOQ must be 10 tons/measurement at minimum.
2. Shipping and delivery Time: CZPTly, our supply time for honed tubes is close to forty-sixty times based on the measurements and portions. It will get us fifteen-30 times to get raw content. For instance, if you want 3 tons of small dimension honed tubes 50mm*40mm with roughness of Ra0.25um max, it will consider us at minimum thirty days to hone this measurement.
3. Guarantee&Ensure: Warranty&ensure interval is 6 months considering that we deliver the tubes, and we are not liable for high quality difficulty triggered by improper unloading or storage right after shipment. We welcome customer’s inspection ahead of cargo.
4. Payment Approach: We acknowledge payment strategy like T/T, L/C, or D/P, but it is dependent on our investigation about consumers. We have a solution to consider the credit history of customers from all over the globe, and time and quantity of D/P we can release is decided by the analysis.
five. Quality Control: ninety% of the tubes are produced from scorching rolled seamless pipes. So, good quality of raw materials decided top quality of completed tubes. We acquire uncooked substance from secure suppliers who are top steel mills, and we examine the raw material as per the requirements. During our creation procedure, there is inspection and good quality manage in every phase.
Part III: Company INTRODUCTION
We are a manufacturer of cold drawn, chilly rolled, and hydraulic cold drawn steel tubes with OD upto 356mm given that 2002. Masking an area of about 32000M2, we have 12 normal workshops with 2 hydraulic cold drawing benches, 4 chain chilly drawing benches, and 2 ERW mills. Our amenities addresses all the creation processes from pickling, chilly drawing, warmth treating, observed reducing, straightening, inspection, packing to even more machining &turning, chilly drawing die fabrication, and products repairation&maintenance.
Factory Look:
Uncooked Substance Stock:
HYDRAULIC Chilly DRAWING:
MULTI-ROLLER STRAIGHTENING:
STRAIGHTENING BY Push:
Observed Cutting:
LATHES:
HONING:
DEEP Gap Unexciting/DRILLING:
SKIVING&ROLLER BURNISHING:
