ASTM B111 C68700 Aluminum Brass Tubes Manufacturer
For Condensers • Heat Exchangers • Seawater Cooling Systems
✓ ASTM B111 / ASME SB111
✓ OD 6–120mm
✓ 100% Eddy Current Tested
✓ EN10204 3.1 MTC
✓ 15–20 Days Delivery
✓ Exported to 30+ Countries
ASTM B111 C68700 Aluminum Brass Tubes Supplied For A Heat Exchanger Project in India
An Indian heat exchanger manufacturer placed an order for ASTM B111 C68700 seamless aluminum brass tubes for use in industrial heat exchanger equipment.
The tubes were manufactured in accordance with ASTM B111 requirements and supplied in the specified size and delivery condition to meet the customer's production schedule.
Before shipment, the customer visited our manufacturing facility to inspect the finished products, review the Mill Test Certificate (MTC), and verify the export packaging. After confirming that the products met the agreed specifications, the shipment was approved for delivery.
The supplied tubes were accompanied by a Mill Test Certificate (MTC) containing complete production and inspection records.
Receive MTC and quotation within 24 hours
Heat Exchanger Tube Product Series
We supply a complete range of seamless copper and copper alloy tubes for condensers, heat exchangers, evaporators, power plants, marine cooling systems, and industrial heat transfer equipment. All products are manufactured in accordance with ASTM B111 and other international standards, with customized sizes and complete Mill Test Certificates available.
| Alloy Grade | Product Name | Standard | Typical Applications |
|---|---|---|---|
| C12200 | Phosphorus Deoxidized Copper Tube | ASTM B111 | HVAC, Refrigeration, Fresh Water Heat Exchangers |
| C44300 | Admiralty Brass Tube | ASTM B111 | Condensers, Oil Coolers, Fresh Water Cooling Systems |
| C68700 | Aluminum Brass Tube | ASTM B111 | Seawater Condensers, Power Plants, Desalination, Heat Exchangers |
| C70600 | 90/10 Copper Nickel Tube | ASTM B111 | Marine Heat Exchangers, Offshore Platforms, Shipbuilding |
| C71500 | 70/30 Copper Nickel Tube | ASTM B111 | High-Speed Seawater Cooling Systems, Naval Vessels, Offshore Engineering |
Available Specifications
| Item | Specification |
|---|---|
| Manufacturing Standard | ASTM B111 / ASTM B359 / ASTM B395 / EN / JIS (Available Upon Request) |
| Tube Type | Seamless Heat Exchanger Tubes |
| Outside Diameter (OD) | 6 mm – 120 mm |
| Wall Thickness | 0.5 mm – 5.0 mm |
| Length | Up to 18,000 mm or Customized |
| Delivery Condition | Annealed (O60 / O61), Light Drawn, As Required |
| Surface Finish | Bright Annealed, Cleaned, Pickled |
| Inspection | Chemical Analysis, Mechanical Testing, Hydrostatic Test, Eddy Current Test, Dimensional Inspection |
| Documentation | Mill Test Certificate (MTC), EN10204 3.1 (Available Upon Request), Third-Party Inspection Available |
| Packaging | Export Wooden Cases, Plywood Cases, Plastic Caps, Bundled Packing |
Manufacturing & Inspection Capabilities
Every ASTM B111 heat exchanger tube is manufactured using advanced production equipment and rigorous quality control procedures. From raw material processing to final inspection and export packaging, every stage is carefully managed to ensure consistent quality, dimensional accuracy, and reliable performance for demanding heat transfer applications.
Ready Stock & Fast Delivery
To help customers reduce procurement lead times and respond quickly to urgent project requirements, we maintain inventory of commonly used copper and copper alloy heat exchanger tubes. Standard sizes can often be shipped immediately, while customized specifications are manufactured with short production lead times.
| Item | Capability |
|---|---|
| Available Grades | C12200, C44300, C68700, C70600, C71500 |
| Stock Status | Common sizes available in stock |
| Tube Type | Seamless Heat Exchanger Tubes |
| Standard Length | 3 m, 5.8 m, 6 m or Customized |
| Custom Production | Available |
| MOQ | Flexible |
| Sample Order | Available |
| Lead Time (Stock Items) | 3–7 Days |
| Lead Time (Custom Orders) | 15–30 Days |
| Export Markets | Europe, North America, Middle East, Southeast Asia |
FAQ
1. What standards do your C68700 aluminum brass tubes comply with?
Our tubes are manufactured according to ASTM B111 / ASME SB111. EN, JIS, and customized specifications are also available upon request.
2. What sizes are available?
We supply outside diameters from 6 mm to 120 mm, wall thicknesses from 0.5 mm to 5.0 mm, and customized lengths up to 18 meters.
3. Can you manufacture according to our drawings?
Yes. We provide OEM manufacturing based on customer drawings, dimensions, tolerances, and technical requirements.
4. Do you provide Mill Test Certificates?
Yes. Every shipment includes an EN10204 3.1 Mill Test Certificate with complete chemical composition, mechanical properties, dimensional inspection, and traceability records.
5. What inspections are performed before shipment?
Each batch can undergo:
Chemical Composition Analysis
Mechanical Testing
Eddy Current Testing
Hydrostatic Testing
Dimensional Inspection
Visual Inspection
Third-party inspection by SGS, BV, or TÜV is also available.
6. What is your minimum order quantity (MOQ)?
There is no strict MOQ. Trial orders and sample quantities are welcome.
7. How long is the delivery time?
Common stock sizes are usually shipped within 3–7 days, while customized production typically requires 15–25 days, depending on specifications and quantity.
8. What export packaging do you use?
Tubes are protected with plastic caps, wrapped with waterproof film, and packed in export-grade plywood cases or wooden crates to prevent damage during international transportation.
9. Which industries commonly use C68700 tubes?
C68700 aluminum brass tubes are widely used in:
Surface Condensers
Shell & Tube Heat Exchangers
Power Plants
Seawater Cooling Systems
Marine Engineering
Desalination Plants
10. Which countries do you export to?
Our heat exchanger tubes have been supplied to customers across Europe, North America, Southeast Asia, the Middle East, and other international markets.
