Cold Rolled Cold Drawn Hot Rolled Deep Hole Bored Seamless Honed Carbon Steel Tube for Hydraulic Cylinder Barrel

Portion I: Product INTRODUCTION
1. Description: 
Honed tube is a kind of smooth bore steel tube employed to manufacture hydraulic cylinder barrels that is the core portion of a piece of hydraulic cylinder. 

2. Commodity:  Seamless honed metal tube for hydraulic cylinder 

three. Measurement selection: 40mm*30mm-580mm*500mm

four. Obtainable 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:  20#, forty five#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, 

5. Manufacture strategy: Chilly rolled, hydraulic cold drawn, scorching rolled+deep hole unexciting

six. Supply issue: 

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

7. Bore treatment: Honing, skiving&roller burnishing

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

nine. End complete: Plain finishes 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 metal strips. Int&ext oil coating. End plastic caps. External packing by PVC luggage and knit baggage. 

eleven. CZPTized packing and marking can be presented on request. 

12. H8 tolerance: 

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

thirteen. Variation in between honed tube and skived&roller burnished tube: In hydraulic cylinder business, there are 2 solutions for bore therapy: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing qualified prospects to various internal surface picture, but the two make certain excellent roughness. 

Inside Surface Situation OF HONED TUBES:


Portion II: Frequently Questioned Questions
1. MOQ: 
CZPTly Min Order Amount can be two-3 tons/dimension for tubes with OD beneath 250mm, and ten tons/dimensions for tubes with OD above 250mm. At times, it depends on metal grade you need. If you require unique grade like E410, E470 or alloy metal tube, MOQ should be 10 tons/dimensions at the very least. 
two. Shipping and delivery Time: CZPTly, our delivery time for honed tubes is about 40-60 times based on the measurements and quantities. It will get us 15-30 times to get raw content. For illustration, if you need 3 tons of tiny dimension honed tubes 50mm*40mm with roughness of Ra0.25um max, it will take us at minimum 30 times to hone this dimension. 
three. Guarantee&Guarantee: Guarantee&ensure period is 6 months because we supply the tubes, and we are not liable for good quality issue triggered by mistaken unloading or storage right after cargo. We welcome customer’s inspection before shipment. 
four. Payment Technique: We take payment method like T/T, L/C, or D/P, but it relies upon on our investigation about consumers. We have a solution to assess the credit history of customers from all more than the globe, and time and amount of D/P we can release is established by the evaluation. 
5. High quality Management: ninety% of the tubes are manufactured from sizzling rolled seamless pipes. So, quality of uncooked substance determined high quality of finished tubes. We acquire raw material from steady suppliers who are foremost metal mills, and we examine the raw material as for every the specifications. In the course of our manufacturing process, there is inspection and good quality control in every stage. 

Element III: Business INTRODUCTION
We are a manufacturer of cold drawn, cold rolled, and hydraulic cold drawn metal tubes with OD upto 356mm since 2002. Masking an region of about 32000M2, we have 12 common workshops with 2 hydraulic cold drawing benches, 4 chain cold drawing benches, and 2 ERW mills. Our facilities covers all the production procedures from pickling, cold drawing, warmth treating, noticed chopping, straightening, inspection, packing to even more machining &turning, chilly drawing die fabrication, and gear repairation&upkeep. 

Factory Physical appearance:

Uncooked Materials Inventory:




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Cold Rolled Cold Drawn Hot Rolled Deep Hole Bored Seamless Honed Carbon Steel Tube for Hydraulic Cylinder Barrel