E355 E410 E470 Cold Rolled and Cold Drawn Seamless Carbon Steel Honed Tube for Hydraulic Cylinder Barrel

E355 E410 E470 Cold Rolled and Cold Drawn Seamless Carbon Steel Honed Tube for Hydraulic Cylinder Barrel

Element I: Product INTRODUCTION
one. Description: 
Honed tube is a kind of clean bore metal tube utilized to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder. 

two. Commodity: E355 chilly drawn seamless honed tube 

three. Dimension range: 40mm*30mm-580mm*500mm

4. Obtainable metal grade: 

SAE/AISI:  SAE1571, SAE1026, SAE1045, SAE4130, SAE4140
DIN:  ST52, ST52.3, ST52.four
EN:  E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470
GB:  twenty#, forty five#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, 

5. Manufacture approach: Cold rolled, hydraulic cold drawn, hot rolled+deep gap dull

6. Delivery problem: 

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

7. Bore treatment method: 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. 

nine. Finish end: Simple ends with square cuts, free of burrs for honed tubes. Little bevelled finishes for skived&roller burnished tubes. 

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

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

twelve. H8 tolerance: 

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

thirteen. Big difference between honed tube and skived&roller burnished tube: In hydraulic cylinder industry, there are 2 solutions for bore treatment: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing sales opportunities to different inside surface area impression, but equally ensure great roughness. 

Internal Floor Situation OF HONED TUBES:


Element II: Often Requested Questions
one. MOQ: 
CZPTly Min Purchase Amount can be two-three tons/dimension for tubes with OD beneath 250mm, and ten tons/dimensions for tubes with OD previously mentioned 250mm. Occasionally, it is dependent on metal grade you want. If you need special quality like E410, E470 or alloy steel tube, MOQ need to be ten tons/size at least. 
two. Delivery Time: CZPTly, our supply time for honed tubes is around 40-60 days relying on the measurements and portions. It will consider us fifteen-thirty times to get uncooked substance. For illustration, if you need 3 tons of small measurement honed tubes 50mm*40mm with roughness of Ra0.25um max, it will take us at minimum 30 days to hone this measurement. 
3. Guarantee&Ensure: Warranty&assure period of time is 6 months given that we deliver the tubes, and we are not responsible for good quality problem induced by incorrect unloading or storage after cargo. We welcome customer’s inspection before cargo. 
4. Payment Approach: We settle for payment strategy like T/T, L/C, or D/P, but it is dependent on our investigation about buyers. We have a solution to consider the credit rating of clients from all above the planet, and time and amount of D/P we can launch is determined by the analysis. 
5. High quality Control: ninety% of the tubes are created from scorching rolled seamless pipes. So, quality of raw substance decided good quality of completed tubes. We acquire uncooked materials from stable suppliers who are foremost steel mills, and we examine the uncooked material as for each the requirements. In the course of our manufacturing treatment, there is inspection and high quality management in every single stage. 

We are a manufacturer of chilly drawn, cold rolled, and hydraulic chilly drawn steel tubes with OD upto 356mm considering that 2002. Covering an location of about 32000M2, we have 12 common workshops with 2 hydraulic cold drawing benches, 4 chain cold drawing benches, and 2 ERW mills. Our services covers all the generation methods from pickling, chilly drawing, heat dealing with, noticed slicing, straightening, inspection, packing to further machining &turning, cold drawing die fabrication, and gear repairation&upkeep. 

Factory Appearance:

Uncooked Materials Inventory:




Observed Slicing:



DEEP Gap Uninteresting/DRILLING:



E355 E410 E470 Cold Rolled and Cold Drawn Seamless Carbon Steel Honed Tube for Hydraulic Cylinder Barrel