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C85700 Brass vs. SAE-AISI M3 Class 2 Steel

C85700 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 (8, in this case) are not shown.

For each property being compared, the top bar is C85700 brass and the bottom bar is SAE-AISI M3 class 2 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 40
77
Tensile Strength: Ultimate (UTS), MPa 310
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Melting Completion (Liquidus), °C 940
1620
Melting Onset (Solidus), °C 910
1570
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 84
26
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.8
12
Embodied Energy, MJ/kg 47
180
Embodied Water, L/kg 330
110

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
23
Strength to Weight: Axial, points 11
26 to 74
Strength to Weight: Bending, points 13
22 to 45
Thermal Diffusivity, mm2/s 27
7.2
Thermal Shock Resistance, points 10
24 to 69

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 58 to 64
0 to 0.25
Iron (Fe), % 0 to 0.7
75.8 to 82.3
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.5 to 1.5
0
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Zinc (Zn), % 32 to 40
0
Residuals, % 0 to 1.3
0