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EN 1.4958 Stainless Steel vs. CR012A Copper

EN 1.4958 stainless steel belongs to the iron alloys classification, while CR012A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4958 stainless steel and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 630
220
Tensile Strength: Yield (Proof), MPa 190
130

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Maximum Temperature: Mechanical, °C 1090
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1350
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
390
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
100

Otherwise Unclassified Properties

Base Metal Price, % relative 30
33
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 5.3
2.7
Embodied Energy, MJ/kg 75
42
Embodied Water, L/kg 200
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
29
Resilience: Unit (Modulus of Resilience), kJ/m3 95
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 22
6.8
Strength to Weight: Bending, points 20
9.0
Thermal Diffusivity, mm2/s 3.2
110
Thermal Shock Resistance, points 15
7.8

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 19 to 22
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
99.85 to 99.94
Iron (Fe), % 41.1 to 50.6
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 30 to 32.5
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.2 to 0.5
0