Wholesale SAE 1045 C45 Seamless Steel Honed Tube
1. Description: Our cold drawn seamless honed steel tube is a high-precision finished product with an internal surface that is smoothly honed to Ra ≤ 0.25 μm. It is specifically designed and ready-to-use for hydraulic and pneumatic cylinder barrels.
2. Commodity: SAE 1045 / C45 cold drawn seamless steel honed tube for hydraulic cylinder applications.
3. Size Range: 40mm*30mm - 325mm*300mm
4. Available Steel Grades for Honed Tubing
| SAE / AISI (Primary): | SAE1045, SAE1020, SAE1026, SAE4130, SAE4140 |
| EN / DIN Equivalent: | C45E, CK45, E355, 25CrMo4, 42CrMo4, S45C, E410, E470, ST52 |
| GB: | 45#, 20#, 16Mn, Q345B-E, 25Mn, 27SiMn |
5. Manufacture Method: Cold rolled, hydraulic cold drawn, hot rolled + deep hole boring, followed by precise ID honing or skiving & roller burnishing.
6. Delivery Condition
| DIN Code | EN Code | Treatment Status |
|---|
| BK | +C | Cold rolled / Cold drawn |
| BKW | +LC | Cold drawn (Soft) |
| BKS | +SR | Stress relieved |
| GBK | +A | Annealed |
| NBK | +N | Normalized |
| Q+T | Quenched + Tempered |
7. ID Tolerance & Surface: Standard H8 ID tolerance for seamless hydraulic cylinder tubing. Internal surface roughness is strictly controlled at Ra ≤ 0.25 μm (Honed) or Ra ≤ 0.35 μm (Skived & Roller Burnished).
8. End Finish: Plain ends with square cuts, free of burrs for honed tubes. Slightly bevelled ends for skived & roller burnished tubes.
9. Standard Export Packing: In bundles tied with steel strips. Internal & external oil coating. End plastic caps. External packing by PVC bags and knit bags.
10. Customization: Customized packing and marking can be provided upon request.
Wholesale & Manufacturing FAQ
1. MOQ: What is the minimum order for seamless steel honed tube wholesale?
Generally, the Min Order Quantity can be 2-3 tons/size for tubes with an OD below 250mm, and 10 tons/size for tubes with an OD above 250mm. Sometimes, it depends on the steel grade you need. If you need a special grade like E410, E470, or alloy steel tubes, the MOQ should be at least 10 tons/size.
2. Delivery Time:
20-30 days depending on ordered sizes and quantities.
3. Warranty & Guarantee:
The warranty & guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problems caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment.
4. Payment Method:
We accept payment methods like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and the time and amount of D/P we can release is determined by the evaluation.
5. Quality Control as a C45 1045 steel pipe supplier:
90% of our cylinder honed seamless tubes are made from hot-rolled seamless pipes. So, the quality of raw material determines the quality of the finished tubes. We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control at every stage.
Company Profile
We are an established c45 1045 steel pipe manufacture and factory of cold drawn, cold rolled, and hydraulic cold drawn steel tubes with an OD up to 356mm since 2002. Covering an area of about 32,000M², we have 12 standard workshops with 2 hydraulic cold drawing benches, 4 chain cold drawing benches, and 2 ERW mills. Our facilities cover all production procedures from pickling, cold drawing, heat treating, saw cutting, straightening, inspection, and packing to further machining & turning, cold drawing die fabrication, and equipment repair & maintenance.
