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C69700 Brass vs. SAE-AISI D7 Steel

C69700 brass belongs to the copper alloys classification, while SAE-AISI D7 steel belongs to the iron alloys. There are 21 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 C69700 brass and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 470
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 930
1440
Melting Onset (Solidus), °C 880
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 43
27
Thermal Expansion, µm/m-K 19
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
10
Density, g/cm3 8.3
7.6
Embodied Carbon, kg CO2/kg material 2.7
11
Embodied Energy, MJ/kg 44
180
Embodied Water, L/kg 310
130

Common Calculations

Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
29 to 78
Strength to Weight: Bending, points 16
25 to 48
Thermal Diffusivity, mm2/s 13
7.4
Thermal Shock Resistance, points 16
27 to 72

Alloy Composition

Carbon (C), % 0
2.2 to 2.5
Chromium (Cr), % 0
11.5 to 13.5
Copper (Cu), % 75 to 80
0 to 0.25
Iron (Fe), % 0 to 0.2
76.6 to 81.9
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 2.5 to 3.5
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0