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CR022A Copper vs. EN 1.4303 Stainless Steel

CR022A copper belongs to the copper alloys classification, while EN 1.4303 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR022A copper and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
13 to 49
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 230
590 to 900
Tensile Strength: Yield (Proof), MPa 140
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 83
140 to 800
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
21 to 32
Strength to Weight: Bending, points 9.3
20 to 26
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 8.1
13 to 20

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 99.99 to 99.999
0
Iron (Fe), % 0 to 0.0010
64.8 to 72
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0 to 2.0
Nickel (Ni), % 0 to 0.0010
11 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.045
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.015
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Zinc (Zn), % 0 to 0.00010
0