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S21603 Stainless Steel vs. C17510 Copper

S21603 stainless steel belongs to the iron alloys classification, while C17510 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is C17510 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 45
5.4 to 37
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 88
44 to 99
Shear Modulus, GPa 79
44
Shear Strength, MPa 490
210 to 500
Tensile Strength: Ultimate (UTS), MPa 690
310 to 860
Tensile Strength: Yield (Proof), MPa 390
120 to 750

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 990
220
Melting Completion (Liquidus), °C 1420
1070
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
49
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.6
4.2
Embodied Energy, MJ/kg 50
65
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
39 to 92
Resilience: Unit (Modulus of Resilience), kJ/m3 380
64 to 2410
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25
9.7 to 27
Strength to Weight: Bending, points 22
11 to 23
Thermal Shock Resistance, points 15
11 to 30

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.2 to 0.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17.5 to 22
0
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
95.9 to 98.4
Iron (Fe), % 57.6 to 67.8
0 to 0.1
Manganese (Mn), % 7.5 to 9.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
1.4 to 2.2
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