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EN 1.4951 Stainless Steel vs. CR024A Copper

EN 1.4951 stainless steel belongs to the iron alloys classification, while CR024A copper belongs to the copper 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 EN 1.4951 stainless steel and the bottom bar is CR024A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 38
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 630
230
Tensile Strength: Yield (Proof), MPa 220
140

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1410
1090
Melting Onset (Solidus), °C 1360
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
370
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
100

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 4.3
2.6
Embodied Energy, MJ/kg 61
41
Embodied Water, L/kg 190
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
31
Resilience: Unit (Modulus of Resilience), kJ/m3 130
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
7.1
Strength to Weight: Bending, points 21
9.3
Thermal Diffusivity, mm2/s 3.9
110
Thermal Shock Resistance, points 14
8.1

Alloy Composition

Carbon (C), % 0.040 to 0.080
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
99.9 to 99.985
Iron (Fe), % 49.1 to 57
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0.015 to 0.040
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0