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EN 1.4971 Stainless Steel vs. CR025A Copper

EN 1.4971 stainless steel belongs to the iron alloys classification, while CR025A 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 CR025A 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
230
Tensile Strength: Yield (Proof), MPa 340
140

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
370
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
31
Resilience: Unit (Modulus of Resilience), kJ/m3 280
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26
7.1
Strength to Weight: Bending, points 23
9.3
Thermal Diffusivity, mm2/s 3.4
110
Thermal Shock Resistance, points 19
8.1

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 99.96
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
0.040 to 0.060
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