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ASTM A302 Alloy Steel vs. C27000 Brass

ASTM A302 alloy steel belongs to the iron alloys classification, while C27000 brass belongs to the copper alloys. There are 24 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 ASTM A302 alloy steel and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 590 to 620
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 410
130
Melting Completion (Liquidus), °C 1460
930
Melting Onset (Solidus), °C 1420
900
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39 to 51
120
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
30

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
24
Density, g/cm3 7.8 to 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.7
Embodied Energy, MJ/kg 20 to 21
45
Embodied Water, L/kg 48 to 50
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 21 to 22
13 to 22
Strength to Weight: Bending, points 20 to 21
14 to 21
Thermal Diffusivity, mm2/s 10 to 14
37
Thermal Shock Resistance, points 17 to 18
12 to 22