C23000 red copper, also known as H85 brass, is a copper-based alloy containing a percentage of zinc and other trace elements. This material is widely used in industry due to its excellent physical and chemical properties. Below is a comprehensive description of C23000 red brass:
Chemical Composition
The chemical composition of C23000 Red Copper typically includes:
- Copper (Cu): 84.0% to 86.0% (min to max)
- Zinc (Zn): Residual (balanced composition)
- Lead (Pb): 0.05% maximum content
- Iron (Fe): 0.05% maximum content
- Copper plus other elements totaling at least 99.8%



Mechanical properties
The mechanical properties of C23000 red copper are as follows:
- Tensile strength (σb): Typical values of 57 ksi to 84 ksi, depending on the specific processing state and heat treatment conditions.
- Yield Strength (YS): Typical values are 12 ksi to 63 ksi for 0.5% offset.
- Elongation: Typical values are 3% to 37%.
- Hardness: can be adjusted by different heat treatment processes such as annealing, quenching and age-hardening.
Heat treatment specifications
Heat treatment specifications for C23000 red copper typically include:
- Annealing: at temperatures in the range of 800°F to 1350°F (approximately 427°C to 732°C).
- Hot Work Temperatures: At temperatures in the range of 1450°F to 1650°F (approximately 788°C to 900°C).
Areas of Application
C23000 red copper is widely used in the following areas because of its high strength, good plasticity and excellent corrosion resistance:
- Electrical industry: used in the manufacture of wires, cables, motors and other power transmission equipment.
- Construction industry: used for building components, doors, windows, roofs and other parts.
- Mechanical manufacturing: used in the manufacture of various wear-resistant parts, gears, shaft tiles, etc.
- Chemical equipment: used in the manufacture of pumps, valves, pipelines and other components, effective resistance to chemical corrosion.
Product specification
C23000 red copper can be made into a variety of product specifications, including but not limited to:
- Rod
- Sheet
- Rod Sheet Tube
- Wire
- Forging
Welding Performance
C23000 red copper has good welding properties and can be welded by oxyacetylene and gas shielded arc welding. However, coated metal arc welding is not recommended.
Physical Properties
The physical properties of C23000 red copper include:
- Melting point: 1880°F (~1038°C) in the liquid phase and 1810°F (~999°C) in the solid phase.
- Density: 0.316 lb/cu in at 68°F (~20°C).
- Electrical conductivity: 37% IACS at 68°F (~20°C).
- Thermal conductivity: 92 Btu/sq ft/ft hr/°F at 68°F (~20°C).
- Coefficient of Thermal Expansion: 10.4 x 10^-6 per °F at 68-572°F (~20-300°C).




