C70700 Copper-nickel vs. SAE-AISI M1 Steel

C70700 copper-nickel belongs to the copper alloys classification, while SAE-AISI M1 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is SAE-AISI M1 steel.

UNS C70700 (CuNi10) Copper-Nickel SAE-AISI M1 (T11301) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		46
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		320
Tensile Strength: Ultimate (UTS), MPa		730 to 2140

Thermal Properties

Latent Heat of Fusion, J/g		220
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1120
Melting Completion (Liquidus), °C		1560

Melting Onset (Solidus), °C		1060
Melting Onset (Solidus), °C		1510

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		450

Thermal Conductivity, W/m-K		59
Thermal Conductivity, W/m-K		29

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		34
Base Metal Price, % relative		18

Density, g/cm³		8.9
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		3.4
Embodied Carbon, kg CO₂/kg material		7.0

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		99

Embodied Water, L/kg		300
Embodied Water, L/kg		98

Common Calculations

Stiffness to Weight: Axial, points		7.6
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		10
Strength to Weight: Axial, points		25 to 73

Strength to Weight: Bending, points		12
Strength to Weight: Bending, points		22 to 45

Thermal Diffusivity, mm²/s		17
Thermal Diffusivity, mm²/s		8.0

Thermal Shock Resistance, points		12
Thermal Shock Resistance, points		23 to 66

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.78 to 0.88

Chromium (Cr), %		0
Chromium (Cr), %		3.5 to 4.0

Copper (Cu), %		88.5 to 90.5
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0 to 0.050
Iron (Fe), %		81 to 84.8

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0
Molybdenum (Mo), %		8.2 to 9.2

Nickel (Ni), %		9.5 to 10.5
Nickel (Ni), %		0 to 0.3

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.5

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		1.4 to 2.1

Vanadium (V), %		0
Vanadium (V), %		1.0 to 1.4

Residuals, %		0 to 0.5
Residuals, %		0