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AISI 302B Stainless Steel vs. C15900 Copper

AISI 302B stainless steel belongs to the iron alloys classification, while C15900 copper belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 302B stainless steel and the bottom bar is C15900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
6.5
Poisson's Ratio 0.28
0.34
Rockwell B Hardness 84
95
Shear Modulus, GPa 76
43
Shear Strength, MPa 410
420
Tensile Strength: Ultimate (UTS), MPa 580
720
Tensile Strength: Yield (Proof), MPa 230
240

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Maximum Temperature: Mechanical, °C 930
200
Melting Completion (Liquidus), °C 1400
1080
Melting Onset (Solidus), °C 1360
1030
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 17
280
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
48
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
49

Otherwise Unclassified Properties

Base Metal Price, % relative 15
30
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 140
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
37
Resilience: Unit (Modulus of Resilience), kJ/m3 140
260
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.4
80
Thermal Shock Resistance, points 13
26

Alloy Composition

Aluminum (Al), % 0
0.76 to 0.84
Carbon (C), % 0 to 0.15
0.27 to 0.33
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
97.5 to 97.9
Iron (Fe), % 65.7 to 73
0 to 0.040
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0
Oxygen (O), % 0
0.4 to 0.54
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 2.0 to 3.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0.66 to 0.74