MakeItFrom.com
Menu (ESC)

C37100 Brass vs. SAE-AISI 81B45 Steel

C37100 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 (3, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is SAE-AISI 81B45 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 8.0 to 40
12 to 24
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 260 to 300
340 to 400
Tensile Strength: Ultimate (UTS), MPa 370 to 520
540 to 670
Tensile Strength: Yield (Proof), MPa 150 to 390
350 to 560

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
410
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 320
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
77 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
320 to 840
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13 to 18
19 to 24
Strength to Weight: Bending, points 14 to 18
19 to 22
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 12 to 17
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), % 58 to 62
0
Iron (Fe), % 0 to 0.15
97 to 98
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.080 to 0.15
Nickel (Ni), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0 to 0.4
0