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AISI 304 Stainless Steel vs. C14300 Copper

AISI 304 stainless steel belongs to the iron alloys classification, while C14300 copper belongs to the copper alloys. There are 29 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 AISI 304 stainless steel and the bottom bar is C14300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 8.0 to 43
2.0 to 42
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 400 to 690
150 to 260
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
220 to 460
Tensile Strength: Yield (Proof), MPa 230 to 860
76 to 430

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 710
220
Melting Completion (Liquidus), °C 1450
1080
Melting Onset (Solidus), °C 1400
1050
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
380
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
96
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
96

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 43
41
Embodied Water, L/kg 150
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
9.0 to 72
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
25 to 810
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 42
6.8 to 14
Strength to Weight: Bending, points 20 to 32
9.1 to 15
Thermal Diffusivity, mm2/s 4.2
110
Thermal Shock Resistance, points 12 to 25
7.8 to 16

Alloy Composition

Cadmium (Cd), % 0
0.050 to 0.15
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
99.9 to 99.95
Iron (Fe), % 66.5 to 74
0
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0