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C38000 Brass vs. SAE-AISI M44 Steel

C38000 brass belongs to the copper alloys classification, while SAE-AISI M44 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is SAE-AISI M44 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 39
78
Tensile Strength: Ultimate (UTS), MPa 380
870 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Melting Completion (Liquidus), °C 800
1590
Melting Onset (Solidus), °C 760
1540
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
43
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 2.7
9.9
Embodied Energy, MJ/kg 46
150
Embodied Water, L/kg 330
170

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
28 to 75
Strength to Weight: Bending, points 14
24 to 46
Thermal Diffusivity, mm2/s 37
3.7
Thermal Shock Resistance, points 13
27 to 70

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
1.1 to 1.2
Chromium (Cr), % 0
4.0 to 4.8
Cobalt (Co), % 0
11 to 12.3
Copper (Cu), % 55 to 60
0 to 0.25
Iron (Fe), % 0 to 0.35
65.3 to 70.6
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.3 to 0.55
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Tungsten (W), % 0
5.0 to 5.8
Vanadium (V), % 0
1.9 to 2.2
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0 to 0.5
0