H01 C23400 Brass vs. H01 C70620 Copper-nickel

Both H01 C23400 brass and H01 C70620 copper-nickel are copper alloys. Both are furnished in the H01 (quarter hard) temper. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is H01 C23400 brass and the bottom bar is H01 C70620 copper-nickel.

Quarter-Hard (H01) C23400 Brass Quarter-Hard (H01) C70620 Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Rockwell B Hardness		52
Rockwell B Hardness		65

Rockwell Superficial 30T Hardness		51
Rockwell Superficial 30T Hardness		61

Shear Modulus, GPa		42
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		370
Tensile Strength: Ultimate (UTS), MPa		410

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		220

Maximum Temperature: Mechanical, °C		160
Maximum Temperature: Mechanical, °C		220

Melting Completion (Liquidus), °C		970
Melting Completion (Liquidus), °C		1120

Melting Onset (Solidus), °C		930
Melting Onset (Solidus), °C		1060

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		120
Thermal Conductivity, W/m-K		49

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		33

Density, g/cm³		8.5
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		43
Embodied Energy, MJ/kg		51

Embodied Water, L/kg		320
Embodied Water, L/kg		300

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		7.7

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		12
Strength to Weight: Axial, points		13

Strength to Weight: Bending, points		13
Strength to Weight: Bending, points		14

Thermal Diffusivity, mm²/s		36
Thermal Diffusivity, mm²/s		14

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		14

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.050

Copper (Cu), %		81 to 84
Copper (Cu), %		86.5 to 90

Iron (Fe), %		0 to 0.050
Iron (Fe), %		1.0 to 1.8

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.020

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		9.0 to 11

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.2

Sulfur (S), %		0
Sulfur (S), %		0 to 0.020

Zinc (Zn), %		15.7 to 19
Zinc (Zn), %		0 to 0.5

Residuals, %		0
Residuals, %		0 to 0.5