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ASTM A203 Steel vs. C83300 Brass

ASTM A203 steel belongs to the iron alloys classification, while C83300 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A203 steel and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
35
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 22 to 26
35
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 520 to 590
220
Tensile Strength: Yield (Proof), MPa 290 to 390
69

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 410
180
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1420
1030
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 52
160
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5 to 8.7
33

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
30
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
2.7
Embodied Energy, MJ/kg 21 to 23
44
Embodied Water, L/kg 50 to 52
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
60
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
21
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 18 to 21
6.9
Strength to Weight: Bending, points 18 to 20
9.2
Thermal Diffusivity, mm2/s 14
48
Thermal Shock Resistance, points 15 to 17
7.9