Element I: Item INTRODUCTION
one. Description: Honed tube is a kind of sleek bore steel tube employed to manufacture hydraulic cylinder barrels that is the main element of a piece of hydraulic cylinder.
two. Commodity: EN 10305-one C45E Cold drawn seamless honed tubing for hydraulic cylinder
3. Dimension assortment: 40mm*30mm-580mm*500mm
four. Offered steel grade:
| SAE/AISI: | SAE1571, SAE1026, SAE1045, SAE4130, SAE4140 |
| DIN: | ST52, ST52.3, ST52.4 |
| EN: | E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470 |
| GB: | twenty#, forty five#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, |
five. Manufacture technique: Cold rolled, hydraulic cold drawn, sizzling rolled+deep gap uninteresting
6. Supply condition:
| BK | BKW | BKS | GBK | NBK | Q+T |
| +C | +LC | +SR | +A | +N | |
| Cold rolled | Chilly drawn | Pressure relieved | Annealed | Normalized | Quenched+Tempered |
seven. Bore therapy: Honing, skiving&roller burnishing
eight. Bore roughness manage: Ra0.25um max or Ra0, 35um max for honed tubes, Ra0.25um max for skived&roller burnished tubes.
9. End end: Simple ends with sq. cuts, free of burrs for honed tubes. Tiny bevelled ends for skived&roller burnished tubes.
10. CZPT export packing: In bundles tied with metal strips. Int&ext oil coating. Finish plastic caps. Exterior packing by PVC luggage and knit bags.
11. CZPTized packing and marking can be supplied on request.
12. H8 tolerance:
| ID variety | Tolerance | ID range | Tolerance |
| 18< d ≤30 | +/+.033 | 180< d ≤250 | +/+.072 |
| thirty< d ≤50 | +/+.039 | 250< d ≤300 | +/+.081 |
| 50< d ≤80 | +/+.046 | three hundred< d ≤315 | +/+.081 |
| 80< d ≤120 | +/+.054 | 315< d ≤400 | +/+.089 |
| one hundred twenty< d ≤180 | +/+.063 | four hundred< d ≤500 | +/+.097 |
13. Difference in between honed tube and skived&roller burnished tube: In hydraulic cylinder industry, there are 2 solutions for bore remedy: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing prospects to diverse inner floor image, but both ensure great roughness.
Internal Surface area Issue OF HONED TUBES:
Inner Surface area Problem OF SKIVED&ROLLER BURNISHED TUBES:
Part II: Often Questioned Inquiries
one. MOQ: CZPTly Min Buy Quantity can be two-three tons/size for tubes with OD underneath 250mm, and 10 tons/dimension for tubes with OD previously mentioned 250mm. Sometimes, it is dependent on steel quality you require. If you want particular quality like E410, E470 or alloy steel tube, MOQ must be ten tons/measurement at the very least.
two. Supply Time: CZPTly, our shipping and delivery time for honed tubes is all around 40-sixty times depending on the sizes and quantities. It will get us 15-thirty days to get raw content. For example, if you require 3 tons of modest dimension honed tubes 50mm*40mm with roughness of Ra0.25um max, it will get us at minimum thirty times to hone this dimensions.
three. Guarantee&Promise: Warranty&ensure period of time is 6 months given that we deliver the tubes, and we are not liable for good quality dilemma caused by mistaken unloading or storage following cargo. We welcome customer's inspection just before cargo.
4. Payment Approach: We take payment approach like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to appraise the credit history of consumers from all over the planet, and time and quantity of D/P we can launch is identified by the evaluation.
5. Quality Management: ninety% of the tubes are created from sizzling rolled seamless pipes. So, quality of raw materials established quality of concluded tubes. We buy raw material from stable suppliers who are major steel mills, and we examine the raw material as for each the specs. For the duration of our generation method, there is inspection and quality management in every phase.
Component III: Business INTRODUCTION
We are a manufacturer of chilly drawn, cold rolled, and hydraulic cold drawn steel tubes with OD upto 356mm since 2002. Masking an spot of about 32000M2, we have 12 standard workshops with 2 hydraulic cold drawing benches, 4 chain cold drawing benches, and 2 ERW mills. Our amenities covers all the production processes from pickling, chilly drawing, warmth dealing with, observed cutting, straightening, inspection, packing to additional machining &turning, chilly drawing die fabrication, and equipment repairation&upkeep.
Manufacturing unit Physical appearance:
Raw Content Stock:
HYDRAULIC Chilly DRAWING:
MULTI-ROLLER STRAIGHTENING:
STRAIGHTENING BY Press:
Noticed Slicing:
LATHES:
HONING:
DEEP Hole Uninteresting/DRILLING:
SKIVING&ROLLER BURNISHING:
