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As-cast C99750 Brass vs. ASTM A27 Grade U-60-30

As-cast C99750 brass belongs to the copper alloys classification, while ASTM A27 grade U-60-30 belongs to the iron alloys. There are 26 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 as-cast C99750 brass and the bottom bar is ASTM A27 grade U-60-30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
190
Elongation at Break, % 30
25
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 48
73
Tensile Strength: Ultimate (UTS), MPa 450
460
Tensile Strength: Yield (Proof), MPa 220
230

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 51
18
Embodied Water, L/kg 310
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
96
Resilience: Unit (Modulus of Resilience), kJ/m3 190
150
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 15
16
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0.25 to 3.0
0
Carbon (C), % 0
0 to 0.25
Copper (Cu), % 55 to 61
0
Iron (Fe), % 0 to 1.0
98.1 to 100
Lead (Pb), % 0.5 to 2.5
0
Manganese (Mn), % 17 to 23
0 to 0.75
Nickel (Ni), % 0 to 5.0
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.060
Zinc (Zn), % 17 to 23
0
Residuals, % 0 to 0.3
0