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EN 1.4971 Stainless Steel vs. CR023A Copper

EN 1.4971 stainless steel belongs to the iron alloys classification, while CR023A copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is CR023A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 34
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
43
Tensile Strength: Ultimate (UTS), MPa 800
220
Tensile Strength: Yield (Proof), MPa 340
130

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1460
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
380
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
31
Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 7.6
2.6
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
29
Resilience: Unit (Modulus of Resilience), kJ/m3 280
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26
6.8
Strength to Weight: Bending, points 23
9.0
Thermal Diffusivity, mm2/s 3.4
110
Thermal Shock Resistance, points 19
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
99.9 to 99.995
Iron (Fe), % 24.3 to 37.1
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0.0050 to 0.013
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 2.0 to 3.0
0