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CC751S Brass vs. SAE-AISI H12 Steel

CC751S brass belongs to the copper alloys classification, while SAE-AISI H12 steel belongs to the iron alloys. There are 23 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 CC751S brass and the bottom bar is SAE-AISI H12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 450
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Melting Completion (Liquidus), °C 850
1480
Melting Onset (Solidus), °C 810
1440
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
36
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 28
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 46
41
Embodied Water, L/kg 330
76

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
24 to 65
Strength to Weight: Bending, points 16
22 to 42
Thermal Diffusivity, mm2/s 35
9.8
Thermal Shock Resistance, points 15
22 to 60

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 62.7 to 66
0 to 0.25
Iron (Fe), % 0.25 to 0.5
87.8 to 91.7
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0 to 0.8
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.65 to 1.1
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5
Zinc (Zn), % 27.9 to 35.6
0