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SAE-AISI H12 Steel vs. C68300 Brass

SAE-AISI H12 steel belongs to the iron alloys classification, while C68300 brass belongs to the copper 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 SAE-AISI H12 steel and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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