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SAE-AISI M44 Steel vs. C66700 Brass

SAE-AISI M44 steel belongs to the iron alloys classification, while C66700 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M44 steel and the bottom bar is C66700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
340 to 690

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1590
1090
Melting Onset (Solidus), °C 1540
1050
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 14
97
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 43
25
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 9.9
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 170
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 28 to 75
11 to 23
Strength to Weight: Bending, points 24 to 46
13 to 21
Thermal Diffusivity, mm2/s 3.7
30
Thermal Shock Resistance, points 27 to 70
11 to 23

Alloy Composition

Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
68.5 to 71.5
Iron (Fe), % 65.3 to 70.6
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.2 to 0.4
0.8 to 1.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.3 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
0
Zinc (Zn), % 0
26.3 to 30.7
Residuals, % 0
0 to 0.5