ASTM B124 Copper and Copper Alloy Forging Rod and Bar
- UNS C11000, C14500, C14700, C36500, C37000, C37700, C46400, C48200, C48500, C61900, C62300, C63000, C63200, C64200, C64210, C65500, C67500, C67600, C70620, C71520, and C77400
- Round: Dia. 2.4 – 200mm
- Hexagonal & Octagonal: 3 – 50mm
- Square: 5-38mm
- Rectangular: T: 5-38mm x W: 5-65mm
Features
ASTM B124/B124M Copper and Copper Alloy Forging Rod, Bar
Chemical Composition (wt.%)
| UNS No. | Cu(%) | Pb(%) | Sn(%) | Fe(%) | Ni(%) | Al (%) | Si (%) | Mn (%) | Zn(%) | Te(%) | P(%) |
| C11000 | 99.90 min | – | – | – | – | – | – | – | – | – | – |
| C14500 | 99.90 min | – | – | – | 0.004-0.012 | – | – | – | – | – | 0.40-0.7 |
| C14700 | 99.90 min | – | – | – | 0.002-0.005 | – | – | – | – | 0.20-0.50 | – |
| C36500 | 58.0-61.0 | 0.25-0.7 | – | 0.15 max | – | – | – | – | Rem | – | – |
| C37000 | 59.0-62.0 | 0.8-1.5 | – | – | – | – | – | – | Rem | – | – |
| C37700 | 58.0-61.0 | 1.5-2.5 | – | 0.30 max | – | – | – | – | Rem | – | – |
| C46400 | 59.0-62.0 | 0.20 max | 0.50-1.0 | 0.10 max | – | – | – | – | Rem | – | – |
| C48200 | 59.0-62.0 | 0.40-1.0 | 0.50-1.0 | 0.10 max | – | – | – | – | Rem | – | – |
| C48500 | 59.0-62.0 | 1.3-2.2 | 0.50-1.0 | 0.10 max | – | – | – | – | Rem | – | – |
| C61900 | Rem | 0.02 max | 0.6 max | 3.0-4.5 | 8.5-10.0 | – | 0.8 max | – | – | – | – |
| C62300 | Rem | – | 0.6 max | 2.0-4.0 | 8.5-10.0 | 1.0 max | 0.50 max | 0.25 max | – | – | – |
| C63000 | Rem | – | 0.20 max | 2.0-4.0 | 9.0-11.0 | 4.0-5.5 | 1.5 max | 0.25 max | 0.30 max | – | – |
| C63200 | Rem | 0.02 max | – | 3.5-4.3 | 8.7-9.5 | 4.0-4.8 | 1.2-2.0 | 0.10 max | – | – | – |
| C64200 | Rem | 0.05 max | 0.20 max | 0.30 max | 6.3-7.6 | 0.25 max | 1.5-2.2 | 0.10 max | 0.50 max | – | 0.15 max |
| C64210 | Rem | 0.05 max | 0.20 max | 0.30 max | 6.3-7.0 | 0.25 max | 1.5-2.0 | 0.10 max | 0.50 max | – | 0.15 max |
| C65500 | Rem | 0.05 max | – | 0.8 max | 0.6 max | – | 2.8-3.8 | 0.50-1.3 | 1.5 max | – | – |
| C67500 | 57.0-60.0 | 0.20 max | 0.50-1.5 | 0.8-2.0 | – | 0.25 max | – | 0.05-0.50 | Rem | – | – |
| C67600 | 57.0-60.0 | 0.50-1.0 | 0.50-1.5 | 0.40-1.3 | – | – | – | 0.05-0.50 | Rem | – | – |
| C70620 | 86.5 min | 0.02 max | – | 1.0-1.8 | 9.0-11.0 | – | 1.0 max | 0.50 max | 0.02 max | – | – |
| C71520 | 65.0 min | 0.02 max | – | 0.40-1.0 | 29.0-33.0 | – | 1.0 max | 0.50 max | 0.02 max | – | – |
| C77400 | 43.0-47.0 | 0.20 max | – | 9.0-11.0 | – | – | – | – | Rem | – | – |
Technical Specifications
| Specification | Value |
| Standard | ASTM B124/B124M Copper and Copper Alloy Forging Rod, Bar |
| Grade | UNS C11000, C14500, C14700, C36500, C37000, C37700, C46400, C48200, C48500, C61900, C62300, C63000, C63200, C64200, C64210, C65500, C67500, C67600, C70620, C71520, and C77400 |
| Temper | H50 (extruded and drawn), M20 (as hot rolled), and M30 (as hot extruded) |
| Manufacturing Process | Hot working, Cold working, and Annealing, Hot forging |
| Shape of Bars | Round, Hexagonal and Octagonal, Square and Rectangular |
| Density | 8.9g/cm³ |
| Diameter | Round: Dia. 2.4 – 200mm; Hexagonal & Octagonal: 3 – 50mm; Square: 5-38mm; Rectangular: T: 5-38mm x W: 5-65mm |
| Length | 1000 – 6000mm |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Chemical Analysis, Tensile Test, UT/ET |
Packing
Small diameter packed in plywood box; large diameter packed on plywood pallets.
Application
C11000 (Electrolytic Tough Pitch Copper): This grade is used extensively in electrical applications where high conductivity is required, such as electrical conductors, motor windings, building wiring, and various electrical components.
C14500 (Tellurium Copper): Due to its high machinability, it is often used in applications requiring extensive machining, forming, and bending; it is commonly used in connectors, automotive parts, and industrial machinery components.
C14700 (Sulfur Copper): Similar to C14500, this grade is used where high machinability is critical. It is often employed in automatic screw machine products.
C36500, C37000, C37700 (Leaded Brass): These alloys are typically used in plumbing fixtures, architectural hardware, and decorative applications because of their excellent machinability and capacity for being hot forged.
C46400 (Naval Brass): This alloy is known for its high corrosion resistance, especially in marine environments. It is used in marine hardware, propeller shafts, and naval applications.
C48200, C48500 (Naval Bronze): These grades are used for their strength and corrosion resistance in marine and industrial applications, including gears, valves, and pump components.
C61900, C62300, C63000, C63200 (Aluminum Bronze): With excellent strength and corrosion resistance, these alloys are used in heavy-duty applications such as high-strength fasteners, marine hardware, and aircraft components.
C64200 (Silicon Aluminum Bronze): This alloy is utilized in aerospace applications due to its strength and resistance to stress corrosion cracking.
C65500 (High Silicon Bronze A): Known for its high strength and excellent resistance to corrosion and oxidation, it is used in electrical applications, marine hardware, and chemical processing industries.
C67500, C67600 (Manganese Bronze): These are used in applications requiring a combination of high strength and resistance to wear and corrosion, such as in heavy-duty bushings and bearings.
C70620, C71520 (Copper-Nickel): These grades are particularly useful in desalination plants, shipbuilding, and heat exchanger components because of their excellent resistance to seawater corrosion.
C77400 (Nickel Silver): It is employed in decorative applications and musical instruments for its color and finish, as well as in contact areas on electrical components due to its conductivity.
