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EN 1.4961 Stainless Steel vs. CR020A Copper

EN 1.4961 stainless steel belongs to the iron alloys classification, while CR020A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4961 stainless steel and the bottom bar is CR020A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
43
Tensile Strength: Ultimate (UTS), MPa 610
220
Tensile Strength: Yield (Proof), MPa 220
130

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 890
200
Melting Completion (Liquidus), °C 1430
1090
Melting Onset (Solidus), °C 1390
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
380
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 21
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 4.0
2.6
Embodied Energy, MJ/kg 57
41
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
29
Resilience: Unit (Modulus of Resilience), kJ/m3 120
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
6.8
Strength to Weight: Bending, points 20
9.0
Thermal Diffusivity, mm2/s 4.3
110
Thermal Shock Resistance, points 14
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
99.95 to 99.999
Iron (Fe), % 65.6 to 72.3
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 12 to 14
0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.035
0.0010 to 0.0060
Silicon (Si), % 0.3 to 0.6
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0