C12600 Copper vs. ASTM Grade HN Steel

C12600 copper belongs to the copper alloys classification, while ASTM grade HN steel belongs to the iron alloys. There are 23 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 C12600 copper and the bottom bar is ASTM grade HN steel.

UNS C12600 Fire-Refined Tough Pitch Copper ASTM Grade HN (20Cr-25Ni, J94213) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		56
Elongation at Break, %		9.0

Poisson's Ratio		0.34
Poisson's Ratio		0.28

Shear Modulus, GPa		56
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		270
Tensile Strength: Ultimate (UTS), MPa		500

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		310

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		1080

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		1400

Melting Onset (Solidus), °C		1030
Melting Onset (Solidus), °C		1350

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		480

Thermal Conductivity, W/m-K		130
Thermal Conductivity, W/m-K		13

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

Base Metal Price, % relative		30
Base Metal Price, % relative		26

Density, g/cm³		8.9
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		4.6

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		66

Embodied Water, L/kg		310
Embodied Water, L/kg		180

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		25

Strength to Weight: Axial, points		8.2
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		10
Strength to Weight: Bending, points		18

Thermal Diffusivity, mm²/s		39
Thermal Diffusivity, mm²/s		3.5

Thermal Shock Resistance, points		9.5
Thermal Shock Resistance, points		11

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.2 to 0.5

Chromium (Cr), %		0
Chromium (Cr), %		19 to 23

Copper (Cu), %		99.5 to 99.8
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		44.9 to 57.8

Manganese (Mn), %		0
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		0
Nickel (Ni), %		23 to 27

Phosphorus (P), %		0.2 to 0.4
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 2.0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.040