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C21000 Brass vs. ASTM A299 Steel

C21000 brass belongs to the copper alloys classification, while ASTM A299 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is ASTM A299 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 2.9 to 50
21 to 22
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Shear Strength, MPa 180 to 280
370 to 390
Tensile Strength: Ultimate (UTS), MPa 240 to 450
590 to 620
Tensile Strength: Yield (Proof), MPa 69 to 440
330 to 360

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 190
400
Melting Completion (Liquidus), °C 1070
1460
Melting Onset (Solidus), °C 1050
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 230
51
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 57
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.9
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 310
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
290 to 350
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.4 to 14
21 to 22
Strength to Weight: Bending, points 9.6 to 15
20 to 21
Thermal Diffusivity, mm2/s 69
14
Thermal Shock Resistance, points 8.1 to 15
17 to 18

Comparable Variants