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S21603 Stainless Steel vs. C12900 Copper

S21603 stainless steel belongs to the iron alloys classification, while C12900 copper belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C12900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 45
2.8 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
43
Shear Strength, MPa 490
150 to 210
Tensile Strength: Ultimate (UTS), MPa 690
220 to 420
Tensile Strength: Yield (Proof), MPa 390
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Maximum Temperature: Mechanical, °C 990
200
Melting Completion (Liquidus), °C 1420
1080
Melting Onset (Solidus), °C 1380
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
32
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 50
41
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 380
24 to 640
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25
6.8 to 13
Strength to Weight: Bending, points 22
9.1 to 14
Thermal Shock Resistance, points 15
7.8 to 15

Alloy Composition

Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
99.88 to 100
Iron (Fe), % 57.6 to 67.8
0
Lead (Pb), % 0
0 to 0.0040
Manganese (Mn), % 7.5 to 9.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0 to 0.050
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0
Silver (Ag), % 0
0 to 0.054
Sulfur (S), % 0 to 0.030
0
Tellurium (Te), % 0
0 to 0.025