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C87900 Brass vs. SAE-AISI 5145 Steel

C87900 brass belongs to the copper alloys classification, while SAE-AISI 5145 steel belongs to the iron alloys. There are 28 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 C87900 brass and the bottom bar is SAE-AISI 5145 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
20
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 480
560
Tensile Strength: Yield (Proof), MPa 240
370

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
420
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 900
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
47
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 46
19
Embodied Water, L/kg 320
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 270
360
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 37
13
Thermal Shock Resistance, points 16
17

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0.43 to 0.48
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
97.3 to 98
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0.7 to 0.9
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0.8 to 1.2
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.040
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0