St52.3 Hot Rolled and Deep Hole Bored or Cold Drawn Seamless Carbon Steel Honed Steel Tube for Hydraulic Cylinder Barrel

St52.3 Hot Rolled and Deep Hole Bored or Cold Drawn Seamless Carbon Steel Honed Steel Tube for Hydraulic Cylinder Barrel

Part I: Product INTRODUCTION
1. Description: 
Honed tube is a kind of easy bore steel tube utilised to manufacture hydraulic cylinder barrels that is the main element of a piece of hydraulic cylinder. 

two. Commodity: ST52.three cold drawn seamless honed steel tube

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

four. Offered steel quality: 

SAE/AISI:  SAE1571, SAE1026, SAE1045, SAE4130, SAE4140
DIN:  ST52, ST52.three, ST52.4
EN:  E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470
GB:  20#, forty five#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn, 

5. Manufacture method: Cold rolled, hydraulic cold drawn, scorching rolled+deep hole unexciting

six. Shipping and delivery problem: 

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

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

nine. Finish end: Plain ends with sq. cuts, free of charge of burrs for honed tubes. Tiny bevelled finishes for skived&roller burnished tubes. 

ten. CZPT export packing: In bundles tied with metal strips. Int&ext oil coating. End plastic caps. External packing by PVC luggage and knit luggage. 

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

twelve. H8 tolerance: 

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

13. Big difference between honed tube and skived&roller burnished tube: In hydraulic cylinder market, there are 2 solutions for bore treatment: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing prospects to diverse inner surface area picture, but the two make certain excellent roughness. 

Inside Surface area Issue OF HONED TUBES:

Inner Surface Condition OF SKIVED&ROLLER BURNISHED TUBES:

Part II: Usually Requested Inquiries
one. MOQ: 
CZPTly Min Buy Quantity can be two-three tons/measurement for tubes with OD underneath 250mm, and 10 tons/size for tubes with OD previously mentioned 250mm. Sometimes, it relies upon on steel grade you want. If you want particular grade like E410, E470 or alloy steel tube, MOQ ought to be 10 tons/size at the very least. 
two. Supply Time: CZPTly, our shipping and delivery time for honed tubes is all around 40-sixty times dependent on the dimensions and quantities. It will get us 15-30 days to get uncooked materials. For illustration, if you need 3 tons of little size honed tubes 50mm*40mm with roughness of Ra0.25um max, it will just take us at minimum thirty days to hone this dimension. 
three. Guarantee&Promise: Warranty&promise interval is 6 months because we deliver the tubes, and we are not accountable for top quality dilemma induced by improper unloading or storage after shipment. We welcome customer’s inspection ahead of cargo. 
four. Payment Approach: We acknowledge payment technique like T/T, L/C, or D/P, but it is dependent on our investigation about customers. We have a solution to evaluate the credit rating of consumers from all in excess of the globe, and time and sum of D/P we can release is established by the analysis. 
5. Good quality Handle: ninety% of the tubes are manufactured from very hot rolled seamless pipes. So, high quality of uncooked content determined top quality of finished tubes. We obtain raw materials from secure suppliers who are top metal mills, and we inspect the uncooked material as for each the technical specs. Throughout our creation process, there is inspection and good quality management in each and every stage. 

Portion III: Firm INTRODUCTION
We are a manufacturer of chilly drawn, chilly rolled, and hydraulic chilly drawn steel tubes with OD upto 356mm since 2002. Masking an location of about 32000M2, we have 12 normal workshops with 2 hydraulic cold drawing benches, 4 chain chilly drawing benches, and 2 ERW mills. Our services addresses all the creation procedures from pickling, chilly drawing, warmth dealing with, observed cutting, straightening, inspection, packing to more machining &turning, chilly drawing die fabrication, and products repairation&routine maintenance. 

Manufacturing facility Physical appearance:

Raw Materials Inventory:

HYDRAULIC Cold DRAWING:

MULTI-ROLLER STRAIGHTENING:

STRAIGHTENING BY Press:

Noticed Chopping:

LATHES:

HONING:

DEEP Gap Uninteresting/DRILLING:

SKIVING&ROLLER BURNISHING:

 

St52.3 Hot Rolled and Deep Hole Bored or Cold Drawn Seamless Carbon Steel Honed Steel Tube for Hydraulic Cylinder Barrel