JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD.
| Payment Terms | T/T, L/C, Western Union, MoneyGram |
| Supply Ability | 1metric tons per month |
| Delivery Time | 5-7Days |
| Packaging Details | Steel strip + kraft paper + fumigated wooden box export exquisite packaging |
| Length | Customizable |
| Material | Copper |
| Price Term | FOB, CFR,CIF,EXW |
| Maq | 1 TON |
| Performance | Corrosion-resistant |
| Size | Various sizes available |
| Keyword | Air Conditioner Tube |
| Grade | TU2,C1020T,C10C11000 C10200 C12200 |
| Thickness | Customizable |
| Alloy Or Not | Is Alloy |
| Type | Capillary Tube |
| Hardness | 1/2 Hard 1/4Hard Hard |
| Lead Time | 7-10days |
| Stock | In Stock |
| Standard | ASTM B280/EN 12735-1 |
| Brand Name | CHINA STEEL UNION |
| Model Number | 0.1mm-300mm |
| Certification | ISO9001,SGS, ASTM, ASME |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C, Western Union, MoneyGram | Supply Ability | 1metric tons per month |
| Delivery Time | 5-7Days | Packaging Details | Steel strip + kraft paper + fumigated wooden box export exquisite packaging |
| Length | Customizable | Material | Copper |
| Price Term | FOB, CFR,CIF,EXW | Maq | 1 TON |
| Performance | Corrosion-resistant | Size | Various sizes available |
| Keyword | Air Conditioner Tube | Grade | TU2,C1020T,C10C11000 C10200 C12200 |
| Thickness | Customizable | Alloy Or Not | Is Alloy |
| Type | Capillary Tube | Hardness | 1/2 Hard 1/4Hard Hard |
| Lead Time | 7-10days | Stock | In Stock |
| Standard | ASTM B280/EN 12735-1 | Brand Name | CHINA STEEL UNION |
| Model Number | 0.1mm-300mm | Certification | ISO9001,SGS, ASTM, ASME |
| Place of Origin | China | ||
| High Light | Precision Copper Round Pipe ，Copper Round Pipe 0.5mm ，Precision 5mm Copper Tube | ||
Precision Copper Round Pipe ±0.05mm Tolerance, CNC Machining Grade, Seamless Joints
Our precision copper round pipes are engineered for high-accuracy CNC machining, automation systems, and manufacturing applications. With an ultra-tight tolerance of **±0.05mm**, these seamless pipes guarantee dimensional consistency, smooth surfaces, and flawless structural integrity. Manufactured from oxygen-free copper (Cu-OF), they are ideal for Precisioncomponents requiring minimal vibration, thermal stability, and electrical conductivity.
| Parameter | Details |
|---|---|
| Material | Oxygen-Free Copper (Cu-OF: Cu ≥99.99%, O ≤0.001%, P ≤0.003%) |
| Standards | ASTM B170, EN 13600, ISO 1337, JIS H3510 |
| OD Range | 3mm – 50mm (customizable up to 100mm) |
| Wall Thickness | 0.5mm – 5.0mm (±0.05mm tolerance) |
| Surface Roughness | Ra ≤0.8μm (mirror finish optional) |
| Straightness | ≤0.1mm per 1,000mm length |
| Certifications | ISO 9001, IATF 16949, RoHS, REACH |
| Applications | CNC machined parts, robotics actuators, semiconductor tooling |
① Sub-Millimeter Precision
Laser-guided extrusion and CNC cold-drawing ensure ±0.05mm tolerances, eliminating post-machining adjustments.
② Seamless Integrity
No welded joints, reducing weak points and ensuring uniform mechanical properties for high-stress applications.
③ Custom Fabrication
Tailored OD, wall thickness, and cut lengths (up to 6m) with certified material traceability.
④ Global Compliance
IATF 16949 certification guarantees suitability for automotive and aerospace OEMs, simplifying supply chain integration.
⑤ Technical Support
Free provide CAD/CNC programming guidance to optimize component design and machining efficiency.
Why Choose JIANGSU CHINA STEEL UNION INDUSTRIAL CO., LTD?
We deliver precision-engineered copper solutions that redefine accuracy and reliability in advanced manufacturing. Trusted by global tech leaders, our pipes empower innovation in industries where microns matter
FAQ
1. Who are we?
Our headquarters is located in Jiangsu, China. Since 2010, we have sold to the domestic market (30.00%), North America (10.00%), South America (10.00%), Southeast Asia (10.00%), South Asia (10.00%), and Africa (5.00%) , Middle East (5.00%), Central America (5.00%), Northern Europe (5.00%), Oceania (3.00%), Western Europe (3.00%), Southern Europe (2.00%), Eastern Europe (00.00%), East Asia (00.00%) . There are approximately 11-50 people in our office in total.
2. How do we ensure quality?
There are always pre-production samples before mass production;
Always conduct final inspection before shipment;
3. What can you buy from us?
Copper Alloy Sheet,Copper Round Rod, stainless steel pipe, stainless steel coil, stainless steel strip, wear-resistant plate, galvanized steel plate
4. Why should you buy from us instead of other suppliers?
The company introduces advanced technology and equipment, and its products are exported to Western countries such as the United Kingdom and the United States. It has strong technical force and experienced technical and management personnel.
5. What services can we provide?
Accepted delivery terms: FOB, CFR, CIF, EXW;
Accepted payment currencies: USD;
Accepted payment methods: T/T, L/C, cash;
Languages spoken: English, Chinese
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
30~60
Ecer Certification：
Verified Supplier
JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD. Specializing in premium stainless steel products (sheets, pipes, high-pressure tubes, bars), aluminum/steel coils, galvanized steel, and copper alloys. Equipped with advanced cold-rolling mills, CNC machining centers, and plasma cutting systems, we su... JIANGSU CHINA STEEL UNION INDUSTRIAL CO.,LTD. Specializing in premium stainless steel products (sheets, pipes, high-pressure tubes, bars), aluminum/steel coils, galvanized steel, and copper alloys. Equipped with advanced cold-rolling mills, CNC machining centers, and plasma cutting systems, we su...
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