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AISI 409 Stainless Steel vs. C70260 Copper

AISI 409 stainless steel belongs to the iron alloys classification, while C70260 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 409 stainless steel and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 24
9.5 to 19
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
44
Shear Strength, MPa 270
320 to 450
Tensile Strength: Ultimate (UTS), MPa 420
520 to 760
Tensile Strength: Yield (Proof), MPa 200
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 270
220
Maximum Temperature: Mechanical, °C 710
200
Melting Completion (Liquidus), °C 1450
1060
Melting Onset (Solidus), °C 1400
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 25
160
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
31
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
43
Embodied Water, L/kg 94
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 100
710 to 1810
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 15
16 to 24
Strength to Weight: Bending, points 16
16 to 21
Thermal Diffusivity, mm2/s 6.7
45
Thermal Shock Resistance, points 15
18 to 27

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 10.5 to 11.7
0
Copper (Cu), % 0
95.8 to 98.8
Iron (Fe), % 84.9 to 89.5
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
1.0 to 3.0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0.2 to 0.7
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0 to 0.75
0
Residuals, % 0
0 to 0.5