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C87500 Brass vs. SAE-AISI 4130 Steel

C87500 brass belongs to the copper alloys classification, while SAE-AISI 4130 steel belongs to the iron alloys. There are 28 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 C87500 brass and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
13 to 26
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Tensile Strength: Ultimate (UTS), MPa 460
530 to 1040
Tensile Strength: Yield (Proof), MPa 190
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
43
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
2.4
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 300
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
83 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
500 to 2550
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
19 to 37
Strength to Weight: Bending, points 16
19 to 29
Thermal Diffusivity, mm2/s 8.3
12
Thermal Shock Resistance, points 17
16 to 31

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0.28 to 0.33
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 79 to 85
0
Iron (Fe), % 0
97.3 to 98.2
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0.4 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 3.0 to 5.0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0