CR023A Copper vs. SAE-AISI H43 Steel

CR023A copper belongs to the copper alloys classification, while SAE-AISI H43 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is SAE-AISI H43 steel.

EN CR023A (Cu-DLP) Oxygen-Free Low-Phosphorus Copper SAE-AISI H43 (T20843) Molybdenum Hot-Work 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		43
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		220
Tensile Strength: Ultimate (UTS), MPa		710 to 2140

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		1090
Melting Completion (Liquidus), °C		1530

Melting Onset (Solidus), °C		1040
Melting Onset (Solidus), °C		1480

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		460

Thermal Conductivity, W/m-K		380
Thermal Conductivity, W/m-K		30

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		31
Base Metal Price, % relative		14

Density, g/cm³		9.0
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		8.2

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		120

Embodied Water, L/kg		320
Embodied Water, L/kg		100

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		6.8
Strength to Weight: Axial, points		25 to 75

Strength to Weight: Bending, points		9.0
Strength to Weight: Bending, points		22 to 46

Thermal Diffusivity, mm²/s		110
Thermal Diffusivity, mm²/s		8.3

Thermal Shock Resistance, points		7.8
Thermal Shock Resistance, points		21 to 62

Alloy Composition

Bismuth (Bi), %		0 to 0.00050
Bismuth (Bi), %		0

Carbon (C), %		0
Carbon (C), %		0.5 to 0.65

Chromium (Cr), %		0
Chromium (Cr), %		3.8 to 4.5

Copper (Cu), %		99.9 to 99.995
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		83.2 to 85.9

Lead (Pb), %		0 to 0.0050
Lead (Pb), %		0

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		7.8 to 8.5

Phosphorus (P), %		0.0050 to 0.013
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.45

Silver (Ag), %		0 to 0.015
Silver (Ag), %		0

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

Vanadium (V), %		0
Vanadium (V), %		1.8 to 2.2