GNEE can provide the form
Products Description
| Elements | ||||||
|---|---|---|---|---|---|---|
| Cu(1,2) | Pb | Zn | Fe | Al | As | |
| (1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. |
||||||
| Min (%) | 76.0 | 1.8 | 0.02 | |||
| Max (%) | 79.0 | 0.07 | Rem | 0.06 | 2.5 | 0.06 |
Mechanical properties:
| Form | Temper | Temper Code | Tensile Strength (ksi) |
YS-0.5% Ext (ksi) |
Elongation (%) |
Rockwell F scale |
|---|---|---|---|---|---|---|
| * Measured at room temperature, 68°F (20°C). | ||||||
| Tube | Nominal Grain Size 0.025 mm | OS025 | 60 Typ | 27 Typ | 55 Typ | 77 Typ |
Physical Properties
Melting Point – Liquidus°F: 1780
Melting Point – Solidus°F: 1710
Density lb/cu in. at 68°F: 0.301
Specific Gravity: 8.33
Electrical Conductivity% IACS at 68°F: 23
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F: 58
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F): 10.3
Specific Heat CapacityBtu/ lb /°F at 68°F: 0.09
Modulus of Elasticity in Tension ksi: 16000
Modulus of Rigidity ksi: 6000
Applications:
Condenser, evaporator and heat exchanger tubing, condenser tubing, distiller tubing, ferrules.
Equivalent materials to UNS C68700 arsenical aluminium brass alloy are:
ASME SB111
ASME SB359
ASME SB395
ASME SB543
ASTM B111
ASTM B359
ASTM B395
ASTM B543
Machinability
The machinability rate of the UNS C68700 is 30.
Welding
Soldering, brazing, oxyacetylene welding, gas shielded arc welding, spot welding, seam welding, and butt welding are considered suitable welding processes, whereas processes such as coated metal arc welding are not recommended for the UNS C68700 alloys.
Hot Working
The hot working capacity of the UNS C68700 is fair with the suitable hot working temperature ranging between 760 and 871.1°C (1400 and 1600°F).
Cold Working
The UNS C68700 has an excellent cold working capacity.
Annealing
The annealing temperature of the UNS C68700 is between 427 and 593°C (800 and 1100°F).
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) |
