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SAE-AISI 1141 Steel vs. C70260 Copper

SAE-AISI 1141 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 SAE-AISI 1141 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, % 11 to 17
9.5 to 19
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
44
Shear Strength, MPa 460 to 480
320 to 450
Tensile Strength: Ultimate (UTS), MPa 740 to 810
520 to 760
Tensile Strength: Yield (Proof), MPa 400 to 700
410 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1420
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 51
160
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 12
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 47
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
46 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
710 to 1810
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 29
16 to 24
Strength to Weight: Bending, points 23 to 25
16 to 21
Thermal Diffusivity, mm2/s 14
45
Thermal Shock Resistance, points 24 to 26
18 to 27

Alloy Composition

Carbon (C), % 0.37 to 0.45
0
Copper (Cu), % 0
95.8 to 98.8
Iron (Fe), % 97.7 to 98.2
0
Manganese (Mn), % 1.4 to 1.7
0
Nickel (Ni), % 0
1.0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0
0.2 to 0.7
Sulfur (S), % 0.080 to 0.13
0
Residuals, % 0
0 to 0.5