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C87900 Brass vs. SAE-AISI 4150 Steel

C87900 brass belongs to the copper alloys classification, while SAE-AISI 4150 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 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
12 to 20
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 480
660 to 1310
Tensile Strength: Yield (Proof), MPa 240
380 to 1220

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
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
42
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 320
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
82 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 270
380 to 3930
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
24 to 47
Strength to Weight: Bending, points 17
22 to 34
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 16
19 to 39

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
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
96.7 to 97.7
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
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