Tinned Copper Round Pipe 1/4"-3", Marine Grade Protection, Saltwater Corrosion Resistant
tinned copper round pipes are engineered for marine and coastal environments requiring unmatched resistance to saltwater corrosion. With diameters ranging from 1/4" (6.35mm) to 3" (76.2mm), these pipes feature a uniform tin coating that protects against pitting, oxidation, and galvanic degradation. Compliant with marine-grade standards, they are ideal for shipbuilding, offshore platforms, and desalination plants, offering longevity in harsh saline conditions while retaining copper’s inherent thermal and electrical conductivity.
2. Technical Specifications
| Parameter | Details |
| Material | Cu-ETP (Electrolytic Tough Pitch Copper: Cu ≥99.9%, Sn coating 5–10µm) |
| Tin Coating | Hot-dip tinned layer (ASTM B111) for uniform corrosion protection |
| Standards | ASTM B111, EN 12452, ISO 1337, NACE MR0175 |
| OD Range | 1/4" (6.35mm) – 3" (76.2mm) |
| Wall Thickness | 0.8mm – 4.0mm (seamless, ±0.1mm tolerance) |
| Temper | Soft (Annealed) or Hard-Drawn (H80) |
| Certifications | DNV-GL, ABS, Lloyd’s Register, ISO 9001, REACH |
| Applications | Shipboard cooling systems, offshore oil rigs, desalination plants, coastal HVAC |
3. Import Advantages
① Marine-Grade Durability
Hot-dip tinning process prevents saltwater-induced corrosion, extending service life by 3–5x compared to bare copper.
② Rigorous Quality Control
Each batch undergoes salt spray testing (ASTM B117) to ensure 1,000+ hours of corrosion resistance.
③ Customization Options
Pre-cut lengths, flared ends, or pre-insulated variants with PVC jackets for subsea applications.
④ Fast Global Shipping
Pre-stocked sizes and partnerships with marine logistics providers ensure timely delivery to ports worldwide.
⑤ Cost Savings
Reduced maintenance and replacement costs due to superior corrosion protection in aggressive environments.
4. Key Applications
- Marine Cooling Systems: Seawater intake/discharge lines for ship engines and heat exchangers.
- Offshore Oil & Gas: Corrosion-resistant piping for platform firewater systems and hydraulic circuits.
- Desalination Plants: Brine and freshwater transfer lines resistant to chlorides and sulfides.
- Coastal Infrastructure: HVAC condensate drains, water supply networks in high-humidity regions.
- Aquaculture: Saltwater-resistant tubing for fish farming pumps and oxygenation systems.
Why Choose JIANGSU CHINA STEEL UNION INDUSTRIAL CO., LTD?
We combine advanced tinning technology with decades of expertise in marine-grade copper solutions. Our pipes are trusted by shipyards, offshore engineers, and coastal developers to withstand the planet’s most corrosive environments while delivering reliable, long-term performance.
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
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Tinned Copper Round Pipe 1/4"-3" Marine Grade Protection Saltwater Corrosion Resistant Images
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