GNEE can provide the form
Customer Visit & Project Reference – India
We successfully supplied ASTM B111 C68700 aluminum brass tubes to a customer in India for shell & tube condenser applications. During the project, the customer visited our facility for production inspection and quality verification. All tubes were manufactured in accordance with ASTM B111 requirements and delivered with complete Material Test Certificates (MTC), ensuring full heat number traceability and verified chemical and mechanical properties.
Download ASTM B111 C68700 MTC (PDF)
What is C68700 Alloy?
This is an alloy consisting of two main chemical elements, that is, Aluminum and Copper.However, there are other elements present in a C68700 alloy though in small quantities.These elements are; zinc, iron, aluminum, and arsenic.
What are the Physical Properties of B111 C68700?
| Physical properties | Metric values |
| Melting point | 932 ~ 971 °C |
| Tensile strength | 50 ksi |
| Yield strength | 18 ksi |
| Density | 8.33 g/cc |
| Thermal conductivity | 100.4 W/m-K @ 20.0 °C |
| Elastic modulus | 117 GPa |
Which Elements make the B111 C68700?
UNS C68700 has aluminum and copper as the main chemical elements. Other elements include Arsenic, Zinc, Lead, and Iron.
Copper's present ranges between 76 and 79%, while that of aluminum ranges between 1.8 and 2.5%.
How does B111 C68700 compare to SB 111 C70600?
The difference between B11 C68700 and SB 111 C70600 is in their chemical composition. B11 C68700 has aluminum and copper as its main chemical elements.
SB 111 C70600 has copper and nickel as its main chemical elements. Both B111 C68700 and SB 111 C70600 materials are essential in the manufacturing of products for use in applications with extreme conditions.
Tubes and pipes of these materials, for instance, are essential in high temperature and corrosive applications.
This is because they are non-corrosive.
What Products can you make using B111 C68700?
You can make the following products using B111 C68700:
B111 C68700 pipes
B111 C68700condenser tubes
B111 C68700 distiller tubes
B111 C68700 evaporator tubes
B111 C68700 heat exchanger tubes
Where can you useB111 C68700?
B111 C68700 material is common in various products which you can find in industries like:
Water treatment plants
Power plants
Food industry
Marine industry
Waste treatment plants
How can you Test B111 C68700 Tubes and Pipes?
· Expansion Test
Expansion test determines the level of expansion that your B111 C68700 tubes and pipes can handle without tearing apart the result is crucial as it helps in the production process.
· Nondestructive Test
The nondestructive test is a combination of different tests which you carry out on your B111 C68700 tubes and pipes.
These tests do not alter the properties of your B111 C68700 tube and pipe.
· Flattening Test
Flattening test analyzes the ability of your B111 C68700 tube and pipe to resist flattening out when you place a given weight on top of it.
This helps in determining the installation location.
· Hydrostatic Test
This test checks for any leakages on a particular B111 C68700 tube and pipe.
It helps in preventing leakages of the final product.
· Residual Stress Test
This test determines if the B11 C68700 tube and pipe can withstand the individual stress that it experiences during its working life.
Products provided by GNEE
| Product Category | Standard & Material | Available Forms | Thickness / Diameter Range | Width / OD Range | Length / Form | Temper / State | Surface Finish |
|---|---|---|---|---|---|---|---|
| Copper Sheet & Plate | ASTM B152, B187 Pure Copper (C11000) Phosphor Bronze, Brass |
• Coil • Sheet • Plate |
Sheet: 0.3 mm - 10.0 mm Plate: 10.0 mm - 100 mm |
100 mm - 2500 mm | Coil: Custom Sheet/Plate: 1000mm - 6000mm or Custom |
• O (Soft Annealed) • H02 (Half-Hard) • H04 (Hard) • H08 (Full-Hard) |
• Mill (Bare) • Clad • Brushed • Coated |
| Copper Rod & Bar | ASTM B133, B187 Pure Copper, Tellurium Copper Brass, Bronze |
• Round Rod • Square Bar • Hexagonal Bar • Flat Bar |
Rod Dia.: 2.0 mm - 300 mm Flat Bar Thk.: 3 mm - 50 mm |
Flat Bar Width: 10 mm - 400 mm | Straight: 1000mm - 6000mm Coil (for small dia.) |
• Annealed (Soft) • Half-Hard • Hard • As Drawn |
• Drawn (Smooth) • Turned (Peeled) • Ground (Polished) |
| Copper Wire | ASTM B1, B3 Bare Copper, Tinned Copper |
• Bare Wire • Tinned Wire • Stranded Wire • Braided Wire |
Solid Wire: 0.05 mm - 10.0 mm Stranded: Custom (e.g., 7/0.2mm) |
- | Coil, Spool, Reel Weight: Custom (e.g., 5kg, 25kg) |
• Soft (Annealed) • Hard Drawn • Medium-Hard |
• Bright Bare • Electrotinned • Oxidized-Resistant |
| Copper Tube & Pipe | ASTM B75, B88 Seamless, Welded DHP Copper (C12200) |
• Straight Tube • Coiled Tube • Capillary Tube • Square Tube |
OD: 3 mm - 300 mm Wall Thk.: 0.5 mm - 10.0 mm |
- | Straight: 1000mm - 8000mm Coil: Custom Length |
• Annealed (Soft, Bendable) • Hard Drawn (Straight) |
• Bare (Clean) • Polished • Plastic Capped |
| Copper Foil | ASTM B370 Rolled Annealed (RA) Electrodeposited (ED) |
• Roll / Coil • Strip |
Thickness: 0.01 mm - 0.50 mm (10 µm - 500 µm) |
10 mm - 1300 mm | Coil: Custom Length | • As Rolled (Hard) • Annealed (Soft, Ductile) • Laminated |
• Standard (One Side Bright) • Double Side Bright • Treated (for PCB) |
