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AISI 303 Stainless Steel vs. C19700 Copper

AISI 303 stainless steel belongs to the iron alloys classification, while C19700 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 303 stainless steel and the bottom bar is C19700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40 to 51
2.4 to 13
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 430 to 470
240 to 300
Tensile Strength: Ultimate (UTS), MPa 600 to 690
400 to 530
Tensile Strength: Yield (Proof), MPa 230 to 420
330 to 520

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 930
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
250
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
86 to 88
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
87 to 89

Otherwise Unclassified Properties

Base Metal Price, % relative 15
30
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 42
41
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
12 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
460 to 1160
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21 to 25
12 to 16
Strength to Weight: Bending, points 20 to 22
14 to 16
Thermal Diffusivity, mm2/s 4.4
73
Thermal Shock Resistance, points 13 to 15
14 to 19

Alloy Composition

Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 17 to 19
0
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
97.4 to 99.59
Iron (Fe), % 67.3 to 74.9
0.3 to 1.2
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.010 to 0.2
Manganese (Mn), % 0 to 2.0
0 to 0.050
Nickel (Ni), % 8.0 to 10
0 to 0.050
Phosphorus (P), % 0 to 0.2
0.1 to 0.4
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.2