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ASTM A204 Steel vs. C84100 Brass

ASTM A204 steel belongs to the iron alloys classification, while C84100 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 A204 steel and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
65
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 22
13
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 520 to 590
230
Tensile Strength: Yield (Proof), MPa 290 to 330
81

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 410
160
Melting Completion (Liquidus), °C 1470
1000
Melting Onset (Solidus), °C 1420 to 1430
810
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 52
110
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
25

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
29
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 20
48
Embodied Water, L/kg 47
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
24
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
30
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 21
7.4
Strength to Weight: Bending, points 18 to 20
9.7
Thermal Diffusivity, mm2/s 14
33
Thermal Shock Resistance, points 15 to 17
7.8