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CR025A Copper vs. R30556 Alloy

CR025A copper belongs to the copper alloys classification, while R30556 alloy belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR025A copper and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 230
780
Tensile Strength: Yield (Proof), MPa 140
350

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1330
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 370
11
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
70
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 2.6
8.7
Embodied Energy, MJ/kg 41
130
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
290
Resilience: Unit (Modulus of Resilience), kJ/m3 83
290
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 7.1
26
Strength to Weight: Bending, points 9.3
22
Thermal Diffusivity, mm2/s 110
2.9
Thermal Shock Resistance, points 8.1
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Bismuth (Bi), % 0 to 0.00050
0
Boron (B), % 0
0 to 0.020
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 99.9 to 99.96
0
Iron (Fe), % 0
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.5 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0.040 to 0.060
0 to 0.040
Silicon (Si), % 0
0.2 to 0.8
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1