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AISI 316 Stainless Steel vs. CR023A Copper

AISI 316 stainless steel belongs to the iron alloys classification, while CR023A copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 316 stainless steel and the bottom bar is CR023A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 8.0 to 55
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
220
Tensile Strength: Yield (Proof), MPa 230 to 850
130

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 590
200
Melting Completion (Liquidus), °C 1400
1090
Melting Onset (Solidus), °C 1380
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 15
380
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
100

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 53
41
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
29
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
76
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 18 to 41
6.8
Strength to Weight: Bending, points 18 to 31
9.0
Thermal Diffusivity, mm2/s 4.1
110
Thermal Shock Resistance, points 11 to 26
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
99.9 to 99.995
Iron (Fe), % 62 to 72
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0.0050 to 0.013
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0