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S21603 Stainless Steel vs. C17200 Copper

S21603 stainless steel belongs to the iron alloys classification, while C17200 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C17200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 45
1.1 to 37
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
45
Shear Strength, MPa 490
330 to 780
Tensile Strength: Ultimate (UTS), MPa 690
480 to 1380
Tensile Strength: Yield (Proof), MPa 390
160 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 290
230
Maximum Temperature: Mechanical, °C 990
280
Melting Completion (Liquidus), °C 1420
980
Melting Onset (Solidus), °C 1380
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.6
9.4
Embodied Energy, MJ/kg 50
150
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
4.2 to 500
Resilience: Unit (Modulus of Resilience), kJ/m3 380
110 to 5720
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
15 to 44
Strength to Weight: Bending, points 22
16 to 31
Thermal Shock Resistance, points 15
16 to 46

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
1.8 to 2.0
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
96.1 to 98
Iron (Fe), % 57.6 to 67.8
0 to 0.4
Manganese (Mn), % 7.5 to 9.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0.2 to 0.6
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5