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C69700 Brass vs. SAE-AISI A9 Steel

C69700 brass belongs to the copper alloys classification, while SAE-AISI A9 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is SAE-AISI A9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
74
Tensile Strength: Ultimate (UTS), MPa 470
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 880
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 43
35
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
7.0
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.7
Embodied Energy, MJ/kg 44
70
Embodied Water, L/kg 310
82

Common Calculations

Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
28 to 73
Strength to Weight: Bending, points 16
24 to 46
Thermal Diffusivity, mm2/s 13
9.6
Thermal Shock Resistance, points 16
25 to 66

Alloy Composition

Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 75 to 80
0 to 0.25
Iron (Fe), % 0 to 0.2
87 to 90.5
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
1.3 to 1.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 2.5 to 3.5
1.0 to 1.2
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0