SAE-AISI H22 Steel vs. C81400 Copper

SAE-AISI H22 steel belongs to the iron alloys classification, while C81400 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H22 steel and the bottom bar is C81400 copper.

SAE-AISI H22 (T20822) Tungsten Hot-Work Steel UNS C81400 (Alloy 70C) Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.34

Shear Modulus, GPa		77
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		700 to 1920
Tensile Strength: Ultimate (UTS), MPa		370

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		1670
Melting Completion (Liquidus), °C		1090

Melting Onset (Solidus), °C		1620
Melting Onset (Solidus), °C		1070

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		31
Thermal Conductivity, W/m-K		260

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

Otherwise Unclassified Properties

Base Metal Price, % relative		28
Base Metal Price, % relative		33

Density, g/cm³		8.7
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		4.9
Embodied Carbon, kg CO₂/kg material		2.8

Embodied Energy, MJ/kg		73
Embodied Energy, MJ/kg		45

Embodied Water, L/kg		72
Embodied Water, L/kg		310

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		22 to 61
Strength to Weight: Axial, points		11

Strength to Weight: Bending, points		20 to 39
Strength to Weight: Bending, points		13

Thermal Diffusivity, mm²/s		8.2
Thermal Diffusivity, mm²/s		75

Thermal Shock Resistance, points		22 to 60
Thermal Shock Resistance, points		13

Alloy Composition

Beryllium (Be), %		0
Beryllium (Be), %		0.020 to 0.1

Carbon (C), %		0.3 to 0.4
Carbon (C), %		0

Chromium (Cr), %		1.8 to 3.8
Chromium (Cr), %		0.6 to 1.0

Copper (Cu), %		0 to 0.25
Copper (Cu), %		98.4 to 99.38

Iron (Fe), %		82.2 to 87.4
Iron (Fe), %		0

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

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

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

Silicon (Si), %		0.15 to 0.4
Silicon (Si), %		0

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

Tungsten (W), %		10 to 11.8
Tungsten (W), %		0

Vanadium (V), %		0.25 to 0.5
Vanadium (V), %		0

Residuals, %		0
Residuals, %		0 to 0.5