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S44537 Stainless Steel vs. CR025A Copper

S44537 stainless steel belongs to the iron alloys classification, while CR025A 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 S44537 stainless steel and the bottom bar is CR025A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 21
15
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 510
230
Tensile Strength: Yield (Proof), MPa 360
140

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 1000
200
Melting Completion (Liquidus), °C 1480
1090
Melting Onset (Solidus), °C 1430
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 21
370
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
99
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
99

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 50
41
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
31
Resilience: Unit (Modulus of Resilience), kJ/m3 320
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18
7.1
Strength to Weight: Bending, points 18
9.3
Thermal Diffusivity, mm2/s 5.6
110
Thermal Shock Resistance, points 17
8.1

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 24
0
Copper (Cu), % 0 to 0.5
99.9 to 99.96
Iron (Fe), % 69 to 78.6
0
Lanthanum (La), % 0.040 to 0.2
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 0.8
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.050
0.040 to 0.060
Silicon (Si), % 0.1 to 0.6
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.0060
0
Titanium (Ti), % 0.020 to 0.2
0
Tungsten (W), % 1.0 to 3.0
0