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C87900 Brass vs. SAE-AISI M3 Class 2 Steel

C87900 brass belongs to the copper alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
77
Tensile Strength: Ultimate (UTS), MPa 480
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 930
1620
Melting Onset (Solidus), °C 900
1570
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 46
180
Embodied Water, L/kg 320
110

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 17
26 to 74
Strength to Weight: Bending, points 17
22 to 45
Thermal Diffusivity, mm2/s 37
7.2
Thermal Shock Resistance, points 16
24 to 69

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 63 to 69.2
0 to 0.25
Iron (Fe), % 0 to 0.4
75.8 to 82.3
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0.8 to 1.2
0.2 to 0.45
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Zinc (Zn), % 30 to 36
0