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AISI 204 Stainless Steel vs. C17500 Copper

AISI 204 stainless steel belongs to the iron alloys classification, while C17500 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 204 stainless steel and the bottom bar is C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23 to 39
6.0 to 30
Fatigue Strength, MPa 320 to 720
170 to 310
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Shear Strength, MPa 500 to 700
200 to 520
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
310 to 860
Tensile Strength: Yield (Proof), MPa 380 to 1080
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 280
220
Maximum Temperature: Mechanical, °C 850
220
Melting Completion (Liquidus), °C 1410
1060
Melting Onset (Solidus), °C 1370
1020
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
200
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.4
4.7
Embodied Energy, MJ/kg 35
73
Embodied Water, L/kg 130
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
120 to 2390
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 27 to 40
9.7 to 27
Strength to Weight: Bending, points 24 to 31
11 to 23
Thermal Diffusivity, mm2/s 4.1
59
Thermal Shock Resistance, points 16 to 24
11 to 29

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 15 to 17
0
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 0
95.6 to 97.2
Iron (Fe), % 69.6 to 76.4
0 to 0.1
Manganese (Mn), % 7.0 to 9.0
0
Nickel (Ni), % 1.5 to 3.0
0
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.5