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C68300 Brass vs. SAE-AISI H12 Steel

C68300 brass belongs to the copper alloys classification, while SAE-AISI H12 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is SAE-AISI H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 430
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Melting Completion (Liquidus), °C 900
1480
Melting Onset (Solidus), °C 890
1440
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
36
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 340
76

Common Calculations

Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 15
24 to 65
Strength to Weight: Bending, points 16
22 to 42
Thermal Diffusivity, mm2/s 38
9.8
Thermal Shock Resistance, points 14
22 to 60

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 59 to 63
0 to 0.25
Iron (Fe), % 0
87.8 to 91.7
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.3 to 1.0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.050 to 0.2
0
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0 to 0.5
0