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C84500 Brass vs. ASTM A387 Grade 91 Class 2

C84500 brass belongs to the copper alloys classification, while ASTM A387 grade 91 class 2 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 C84500 brass and the bottom bar is ASTM A387 grade 91 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
200
Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 28
20
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 39
75
Tensile Strength: Ultimate (UTS), MPa 240
670
Tensile Strength: Yield (Proof), MPa 97
470

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 150
600
Melting Completion (Liquidus), °C 980
1460
Melting Onset (Solidus), °C 840
1420
Specific Heat Capacity, J/kg-K 360
470
Thermal Conductivity, W/m-K 72
26
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 28
7.0
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 47
37
Embodied Water, L/kg 340
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
120
Resilience: Unit (Modulus of Resilience), kJ/m3 45
580
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.7
24
Strength to Weight: Bending, points 9.8
22
Thermal Diffusivity, mm2/s 23
6.9
Thermal Shock Resistance, points 8.6
19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.020
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 77 to 79
0
Iron (Fe), % 0 to 0.4
87.3 to 90.3
Lead (Pb), % 6.0 to 7.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 1.0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.0050
0.2 to 0.5
Sulfur (S), % 0 to 0.080
0 to 0.010
Tin (Sn), % 2.0 to 4.0
0
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 10 to 14
0
Zirconium (Zr), % 0
0 to 0.010
Residuals, % 0 to 0.7
0