Portion I: Item INTRODUCTION
one. Description: Honed tube is a kind of sleek bore steel tube utilized to manufacture hydraulic cylinder barrels that is the main portion of a piece of hydraulic cylinder.
2. Commodity: SAE1026 chilly drawn seamless honed tube
three. Dimensions variety: 40mm*30mm-580mm*500mm
4. Obtainable metal 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#, 45#, 16Mn, Q345B, Q345C, Q345D, Q345E, 25Mn, 27SiMn,|
five. Manufacture strategy: Chilly rolled, hydraulic chilly drawn, scorching rolled+deep hole uninteresting
6. Supply situation:
|Cold rolled||Chilly drawn||Pressure relieved||Annealed||Normalized||Quenched+Tempered|
7. Bore therapy: Honing, skiving&roller burnishing
8. Bore roughness management: 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, totally free of burrs for honed tubes. Small bevelled ends for skived&roller burnished tubes.
10. CZPT export packing: In bundles tied with steel strips. Int&ext oil coating. Stop plastic caps. External packing by PVC bags and knit luggage.
eleven. CZPTized packing and marking can be supplied upon ask for.
twelve. H8 tolerance:
|ID range||Tolerance||ID assortment||Tolerance|
|18< d ≤30||+/+.033||a hundred and eighty< d ≤250||+/+.072|
|thirty< 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|
13. Big difference among honed tube and skived&roller burnished tube: In hydraulic cylinder industry, there are 2 solutions for bore therapy: Honing, and skiving&roller burnishing. Honing or skiving&roller burnishing prospects to various interior area picture, but equally ensure very good roughness.
Internal Area Issue OF HONED TUBES:
Inner Surface area Problem OF SKIVED&ROLLER BURNISHED TUBES:
Portion II: Usually Asked Queries
1. MOQ: CZPTly Min Buy Amount can be 2-3 tons/dimension for tubes with OD beneath 250mm, and ten tons/dimension for tubes with OD above 250mm. Occasionally, it relies upon on steel grade you need to have. If you need to have particular grade like E410, E470 or alloy steel tube, MOQ ought to be ten tons/dimension at the very least.
two. Supply Time: CZPTly, our shipping time for honed tubes is close to 40-sixty times based on the dimensions and portions. It will just take us fifteen-30 times to get raw substance. For case in point, if you need to have 3 tons of modest dimension honed tubes 50mm*40mm with roughness of Ra0.25um max, it will just take us at minimum 30 days to hone this size.
three. Warranty&Ensure: Warranty&assure period of time is 6 months because we supply the tubes, and we are not responsible for good quality dilemma triggered by mistaken unloading or storage following shipment. We welcome customer’s inspection before cargo.
four. Payment Strategy: We take payment strategy like T/T, L/C, or D/P, but it depends on our investigation about buyers. We have a solution to consider the credit of customers from all above the planet, and time and amount of D/P we can launch is identified by the evaluation.
5. Good quality Manage: ninety% of the tubes are made from hot rolled seamless pipes. So, quality of uncooked material identified top quality of concluded tubes. We obtain raw materials from stable suppliers who are leading metal mills, and we examine the uncooked substance as for every the specifications. Throughout our production treatment, there is inspection and good quality manage in each phase.
Part III: Business INTRODUCTION
We are a manufacturer of chilly drawn, cold rolled, and hydraulic chilly drawn steel tubes with OD upto 356mm since 2002. Masking an location of about 32000M2, we have 12 regular workshops with 2 hydraulic cold drawing benches, 4 chain cold drawing benches, and 2 ERW mills. Our facilities handles all the production techniques from pickling, cold drawing, heat managing, noticed cutting, straightening, inspection, packing to additional machining &turning, chilly drawing die fabrication, and gear repairation&routine maintenance.
Manufacturing unit Visual appeal:
Uncooked Materials Stock:
HYDRAULIC Chilly DRAWING:
STRAIGHTENING BY Push:
DEEP Hole Boring/DRILLING: