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S31730 Stainless Steel vs. CR005A Copper

S31730 stainless steel belongs to the iron alloys classification, while CR005A copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is CR005A 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 540
230
Tensile Strength: Yield (Proof), MPa 200
140

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 990
200
Melting Completion (Liquidus), °C 1430
1090
Melting Onset (Solidus), °C 1390
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.0
9.0
Embodied Carbon, kg CO2/kg material 4.6
2.6
Embodied Energy, MJ/kg 63
41
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
31
Resilience: Unit (Modulus of Resilience), kJ/m3 99
83
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 19
7.1
Strength to Weight: Bending, points 18
9.3
Thermal Shock Resistance, points 12
8.1

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
99.9 to 100
Iron (Fe), % 52.4 to 61
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0
Nitrogen (N), % 0 to 0.045
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.010
0