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 |
| Key Word | Copper Pipe, copper tube |
| Application | Plumbing, HVAC, construction, etc. |
| Payment Term | T/T L/C Western Union |
| Surface | Polished,Bright,Mill,Brushed |
| Performance | Corrosion-resistant |
| Diameter | Customizable |
| Weight | Lightweight |
| Technical Treatment | Cold /Hot Rolled |
| Standard | ASTM B280/EN 12735-1 |
| Hardness | 1/2 Hard 1/4Hard Hard |
| Type | Environmental protection brass |
| Alloy Or Non | Is Alloy |
| Trade Terms | FOB,EXW,CIF,CRF |
| Alloy Or Not | Is Alloy |
| 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 | Key Word | Copper Pipe, copper tube |
| Application | Plumbing, HVAC, construction, etc. | Payment Term | T/T L/C Western Union |
| Surface | Polished,Bright,Mill,Brushed | Performance | Corrosion-resistant |
| Diameter | Customizable | Weight | Lightweight |
| Technical Treatment | Cold /Hot Rolled | Standard | ASTM B280/EN 12735-1 |
| Hardness | 1/2 Hard 1/4Hard Hard | Type | Environmental protection brass |
| Alloy Or Non | Is Alloy | Trade Terms | FOB,EXW,CIF,CRF |
| Alloy Or Not | Is Alloy | Brand Name | CHINA STEEL UNION |
| Model Number | 0.1mm-300mm | Certification | ISO9001,SGS, ASTM, ASME |
| Place of Origin | China | ||
| High Light | Hard Drawn Copper Pipe 10mm ，10mm Copper Pipe Hard Drawn ，Hard Drawn Copper Tube 50mm | ||
Hard-Drawn Copper Round Pipe 10mm-50mm, ASTM B88, Industrial Refrigeration Systems
Our hard-drawn copper round pipes, compliant with ASTM B88 standards, are precision-engineered for industrial refrigeration and high-pressure cooling systems. Available in diameters from 10mm (≈0.39") to 50mm (≈1.97"), these pipes combine exceptional strength, leak-proof performance, and thermal efficiency. Manufactured from phosphorus-deoxidized copper (Cu-DHP), they withstand extreme temperatures and mechanical stress, making them ideal for ammonia, CO₂, and Freon-based refrigeration applications.
| Parameter | Details |
|---|---|
| Material | Cu-DHP (Copper ≥99.9%, Phosphorus 0.015–0.04%, Iron ≤0.05%) |
| Standards | ASTM B88, ASME SB88, EN 12735, ISO 1337 |
| OD Range | 10mm (≈0.39") – 50mm (≈1.97") |
| Wall Thickness | 1.2mm – 3.5mm (customizable to Type-L or Type-K dimensions) |
| Temper | Hard-Drawn (H80) for enhanced rigidity and pressure resistance |
| Max Pressure | 1,200 psi (83 bar) at 20°C |
| Certifications | ISO 9001, PED, TUV, ASME Section IX |
| Applications | Industrial chillers, cold storage plants, heat pumps, chemical processing |
① ASTM B88 Compliance
Guaranteed adherence to global refrigeration-grade specifications, ensuring compatibility with ammonia, hydrocarbons, and synthetic refrigerants.
② High-Pressure Durability
Hard-drawn temper (H80) provides superior resistance to vibration, thermal cycling, and mechanical wear in harsh industrial environments.
③ Zero-Leak Guarantee
Seamless construction and ultrasonic testing eliminate risks of cracks or pinholes, critical for maintaining refrigerant integrity.
④ Rapid Customization
Tailored lengths (up to 12m), end finishes (flared, grooved), and insulation-ready surfaces to meet OEM or retrofit project needs.
⑤ Global Compliance
Certified for use in EU, North America, and Asia-Pacific markets, reducing import delays and compliance risks.
Why Partner with JIANGSU CHINA STEEL UNION INDUSTRIAL CO., LTD?
With 15+ years of expertise in refrigeration-grade copper solutions, we deliver pipes that optimize system efficiency, reduce downtime, and comply with the strictest safety standards. Our hard-drawn copper pipes are trusted by industrial contractors and OEMs worldwide for their unmatched performance in extreme conditions.
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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