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C66200 Brass vs. ASTM A387 Grade 2 Steel

C66200 brass belongs to the copper alloys classification, while ASTM A387 grade 2 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C66200 brass and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 8.0 to 15
25
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 270 to 300
300 to 350
Tensile Strength: Ultimate (UTS), MPa 450 to 520
470 to 550
Tensile Strength: Yield (Proof), MPa 410 to 480
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 1070
1470
Melting Onset (Solidus), °C 1030
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 150
45
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 36
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.6
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 43
20
Embodied Water, L/kg 320
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 66
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 760 to 1030
180 to 320
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 14 to 17
16 to 20
Strength to Weight: Bending, points 15 to 16
17 to 19
Thermal Diffusivity, mm2/s 45
12
Thermal Shock Resistance, points 16 to 18
14 to 16

Alloy Composition

Carbon (C), % 0
0.050 to 0.21
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 86.6 to 91
0
Iron (Fe), % 0 to 0.050
97.1 to 98.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 0.3 to 1.0
0
Phosphorus (P), % 0.050 to 0.2
0 to 0.025
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0.2 to 0.7
0
Zinc (Zn), % 6.5 to 12.9
0
Residuals, % 0 to 0.5
0