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ASTM A204 Steel vs. C66900 Brass

ASTM A204 steel belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A204 steel and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 18 to 22
1.1 to 26
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
45
Shear Strength, MPa 330 to 360
290 to 440
Tensile Strength: Ultimate (UTS), MPa 520 to 590
460 to 770
Tensile Strength: Yield (Proof), MPa 290 to 330
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 410
150
Melting Completion (Liquidus), °C 1470
860
Melting Onset (Solidus), °C 1420 to 1430
850
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
23
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 47
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 95
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 290
460 to 2450
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 18 to 21
15 to 26
Strength to Weight: Bending, points 18 to 20
16 to 23
Thermal Shock Resistance, points 15 to 17
14 to 23