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SAE-AISI A7 Steel vs. C48500 Brass

SAE-AISI A7 steel belongs to the iron alloys classification, while C48500 brass belongs to the copper 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 SAE-AISI A7 steel and the bottom bar is C48500 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 72
39
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
400 to 500

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Melting Completion (Liquidus), °C 1470
900
Melting Onset (Solidus), °C 1430
890
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 37
120
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 13
2.7
Embodied Energy, MJ/kg 200
46
Embodied Water, L/kg 100
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 29 to 77
14 to 17
Strength to Weight: Bending, points 25 to 48
15 to 17
Thermal Diffusivity, mm2/s 10
38
Thermal Shock Resistance, points 27 to 72
13 to 17

Alloy Composition


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Carbon (C), % 2.0 to 2.9
0
Chromium (Cr), % 5.0 to 5.8
0
Copper (Cu), % 0 to 0.25
59 to 62
Iron (Fe), % 81.4 to 87.7
0 to 0.1
Lead (Pb), % 0
1.3 to 2.2
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.5 to 1.0
Tungsten (W), % 0.5 to 1.5
0
Vanadium (V), % 3.9 to 5.2
0
Zinc (Zn), % 0
34.3 to 39.2
Residuals, % 0
0 to 0.4