En 10305-1 E355 E410 E470 20mnv6 C45e Ck45 Cold Drawn Seamless Honed Steel Pipe for Hydraulic Cylinder Barrel

Portion I: Merchandise INTRODUCTION
one. Description: 
Honed metal pipe is a kind of easy bore steel tube employed to manufacture hydraulic cylinder barrels that is the main part of a piece of hydraulic cylinder. 

2. Commodity: Cold drawn seamless honed steel pipe

3. Measurement variety: 40mm*30mm-580mm*500mm

4. Accessible metal quality: 

SAE/AISI:  SAE1571, SAE1026, SAE1045, SAE4130, SAE4140
DIN:  ST52, ST52.three, ST52.4
EN:  E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470
GB:  twenty#, forty five#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, 

5. Manufacture strategy: Cold rolled, hydraulic chilly drawn, very hot rolled+deep hole uninteresting

6. Shipping issue: 

+C +LC +SR +A +N
Cold rolled Chilly drawn Stress relieved Annealed Normalized Quenched+Tempered

7. Bore treatment method: Honing, skiving&roller burnishing

eight. Bore roughness management: Ra0.25um max or Ra0, 35um max for honed tubes, Ra0.25um max for skived&roller burnished tubes. 

9. Stop finish: Basic ends with square cuts, free of charge of burrs for honed tubes. Minor bevelled ends for skived&roller burnished tubes. 

10. CZPT export packing: In bundles tied with metal strips. Int&ext oil coating. Conclude plastic caps. External packing by PVC bags and knit baggage. 

11. CZPTized packing and marking can be provided upon ask for. 

12. H8 tolerance: 

ID range Tolerance ID variety Tolerance
eighteen< d ≤30 +/+.033 180< d ≤250 +/+.072
30< d ≤50 +/+.039 250< d ≤300 +/+.081
50< d ≤80 +/+.046 300< d ≤315 +/+.081
eighty< d ≤120 +/+.054 315< d ≤400 +/+.089
one hundred twenty< d ≤180 +/+.063 four hundred< d ≤500 +/+.097

13. Variation amongst 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 leads to various internal floor graphic, but both guarantee great roughness. 

Inner Area Problem OF HONED TUBES:


Element II: Usually Requested Queries
one. MOQ: 
CZPTly Min Buy Amount can be two-3 tons/measurement for tubes with OD beneath 250mm, and ten tons/size for tubes with OD over 250mm. At times, it relies upon on metal grade you need. If you need specific quality like E410, E470 or alloy steel tube, MOQ should be 10 tons/size at the very least. 
two. Delivery Time: CZPTly, our shipping time for honed tubes is close to 40-sixty times relying on the sizes and portions. It will take us fifteen-thirty days to get raw content. For illustration, if you need 3 tons of small measurement honed tubes 50mm*40mm with roughness of Ra0.25um max, it will get us at minimum 30 times to hone this dimensions. 
three. Warranty&Assure: Warranty&guarantee period of time is 6 months given that we produce the tubes, and we are not responsible for good quality dilemma induced by improper unloading or storage right after cargo. We welcome customer’s inspection prior to shipment. 
four. Payment Technique: We acknowledge payment technique like T/T, L/C, or D/P, but it is dependent on our investigation about consumers. We have a solution to evaluate the credit rating of clients from all above the planet, and time and volume of D/P we can launch is decided by the analysis. 
5. Quality Manage: 90% of the tubes are made from very hot rolled seamless pipes. So, high quality of raw material decided good quality of concluded tubes. We purchase raw material from steady suppliers who are foremost metal mills, and we inspect the uncooked materials as for each the technical specs. For the duration of our creation method, there is inspection and quality control in every single phase. 

Element III: Organization INTRODUCTION
We are a manufacturer of chilly drawn, cold rolled, and hydraulic chilly drawn metal tubes with OD upto 356mm since 2002. Masking an spot of about 32000M2, we have twelve normal workshops with 2 hydraulic chilly drawing benches, 4 chain chilly drawing benches, and 2 ERW mills. Our amenities covers all the production methods from pickling, chilly drawing, heat managing, saw cutting, straightening, inspection, packing to even more machining &turning, cold drawing die fabrication, and gear repairation&maintenance. 

Manufacturing facility Physical appearance:

Raw Materials Inventory:




Noticed Reducing:



DEEP Hole Uninteresting/DRILLING:



En 10305-1 E355 E410 E470 20mnv6 C45e Ck45 Cold Drawn Seamless Honed Steel Pipe for Hydraulic Cylinder Barrel