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C42600 Brass vs. SAE-AISI 81B45 Steel

C42600 brass belongs to the copper alloys classification, while SAE-AISI 81B45 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C42600 brass and the bottom bar is SAE-AISI 81B45 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 1.1 to 40
12 to 24
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 280 to 470
340 to 400
Tensile Strength: Ultimate (UTS), MPa 410 to 830
540 to 670
Tensile Strength: Yield (Proof), MPa 220 to 810
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
410
Melting Completion (Liquidus), °C 1030
1460
Melting Onset (Solidus), °C 1010
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 26
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.3
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 48
20
Embodied Water, L/kg 340
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.4 to 140
77 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
320 to 840
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 13 to 27
19 to 24
Strength to Weight: Bending, points 14 to 23
19 to 22
Thermal Diffusivity, mm2/s 33
11
Thermal Shock Resistance, points 15 to 29
17 to 21

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0
0.43 to 0.48
Chromium (Cr), % 0
0.35 to 0.55
Copper (Cu), % 87 to 90
0
Iron (Fe), % 0.050 to 0.2
97 to 98
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0.050 to 0.2
0.2 to 0.4
Phosphorus (P), % 0.020 to 0.050
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 2.5 to 4.0
0
Zinc (Zn), % 5.3 to 10.4
0
Residuals, % 0 to 0.2
0