Element I: Item INTRODUCTION
1. Description: Honed tube is a kind of clean bore steel tube utilized to manufacture hydraulic cylinder barrels that is the core part of a piece of hydraulic cylinder.
two. Commodity: ST52 skived and roller burnished tube
3. Dimensions selection: 40mm*30mm-580mm*500mm
four. Offered metal quality:
|SAE/AISI:||SAE1571, SAE1026, SAE1045, SAE4130, SAE4140|
|DIN:||ST52, ST52.3, ST52.four|
|EN:||E355, C45E, 25CrMo4, 42CrMo4, CK45, S45C, E410, E470|
|GB:||20#, forty five#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn,|
5. Manufacture strategy: Cold rolled, hydraulic cold drawn, very hot rolled+deep gap uninteresting
six. Shipping situation:
|Cold rolled||Chilly drawn||Tension relieved||Annealed||Normalized||Quenched+Tempered|
7. Bore remedy: 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. Finish finish: Simple ends with square cuts, cost-free of burrs for honed tubes. Small bevelled finishes for skived&roller burnished tubes.
ten. CZPT export packing: In bundles tied with steel strips. Int&ext oil coating. Finish plastic caps. Exterior packing by PVC baggage and knit baggage.
eleven. CZPTized packing and marking can be provided upon request.
twelve. H8 tolerance:
|ID selection||Tolerance||ID range||Tolerance|
|18< d ≤30||+/+.033||one hundred eighty< d ≤250||+/+.072|
|30< d ≤50||+/+.039||250< d ≤300||+/+.081|
|50< d ≤80||+/+.046||300< d ≤315||+/+.081|
|80< d ≤120||+/+.054||315< d ≤400||+/+.089|
|120< d ≤180||+/+.063||400< d ≤500||+/+.097|
thirteen. Variation among honed tube and skived&roller burnished tube: In hydraulic cylinder business, there are 2 solutions for bore remedy: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing sales opportunities to different inside area graphic, but the two make sure very good roughness.
Inside Floor Issue OF HONED TUBES:
Internal Area Problem OF SKIVED&ROLLER BURNISHED TUBES:
Component II: Often Questioned Queries
1. MOQ: CZPTly Min Order Amount can be two-3 tons/measurement for tubes with OD below 250mm, and ten tons/dimension for tubes with OD previously mentioned 250mm. Sometimes, it depends on metal quality you need. If you need to have specific grade like E410, E470 or alloy steel tube, MOQ should be ten tons/dimensions at the very least.
2. Supply Time: CZPTly, our shipping time for honed tubes is about forty-sixty days relying on the measurements and quantities. It will get us fifteen-30 days to get uncooked materials. For case in point, if you require 3 tons of little measurement honed tubes 50mm*40mm with roughness of Ra0.25um max, it will take us at minimum 30 times to hone this measurement.
three. Warranty&Assure: Guarantee&guarantee period is 6 months given that we provide the tubes, and we are not dependable for good quality dilemma caused by mistaken unloading or storage right after cargo. We welcome customer’s inspection prior to shipment.
4. Payment Strategy: We acknowledge payment approach like T/T, L/C, or D/P, but it relies upon on our investigation about customers. We have a solution to assess the credit of clients from all above the globe, and time and quantity of D/P we can launch is decided by the analysis.
five. Good quality Control: 90% of the tubes are made from sizzling rolled seamless pipes. So, quality of raw substance established good quality of finished tubes. We obtain uncooked substance from stable suppliers who are top steel mills, and we examine the uncooked content as for every the specs. For the duration of our creation treatment, there is inspection and quality management in each and every stage.
Part III: Company INTRODUCTION
We are a manufacturer of cold drawn, cold rolled, and hydraulic chilly drawn steel tubes with OD upto 356mm considering that 2002. Covering an area of about 32000M2, we have 12 normal workshops with 2 hydraulic cold drawing benches, 4 chain chilly drawing benches, and 2 ERW mills. Our amenities covers all the production processes from pickling, cold drawing, heat dealing with, noticed slicing, straightening, inspection, packing to additional machining &turning, chilly drawing die fabrication, and products repairation&upkeep.
Factory Visual appeal:
Uncooked Substance Stock:
HYDRAULIC Chilly DRAWING:
STRAIGHTENING BY Press:
DEEP Gap Boring/DRILLING: