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SAE-AISI M7 Steel vs. C73500 Nickel Silver

SAE-AISI M7 steel belongs to the iron alloys classification, while C73500 nickel silver belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M7 steel and the bottom bar is C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
47
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1560
1140
Melting Onset (Solidus), °C 1510
1090
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 28
36
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
35
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 8.9
4.0
Embodied Energy, MJ/kg 130
61
Embodied Water, L/kg 100
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26 to 76
12 to 19
Strength to Weight: Bending, points 23 to 47
13 to 18
Thermal Diffusivity, mm2/s 7.8
10
Thermal Shock Resistance, points 24 to 69
13 to 19

Alloy Composition

Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
0
Copper (Cu), % 0 to 0.25
70.5 to 73.5
Iron (Fe), % 79.8 to 83.8
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
16.5 to 19.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
5.7 to 13
Residuals, % 0
0 to 0.5