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SAE-AISI 1090 Steel vs. C34500 Brass

SAE-AISI 1090 steel belongs to the iron alloys classification, while C34500 brass belongs to the copper 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 SAE-AISI 1090 steel and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 11
12 to 28
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
40
Shear Strength, MPa 470 to 570
220 to 260
Tensile Strength: Ultimate (UTS), MPa 790 to 950
340 to 430
Tensile Strength: Yield (Proof), MPa 520 to 610
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 400
120
Melting Completion (Liquidus), °C 1450
910
Melting Onset (Solidus), °C 1410
890
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
29

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
24
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 46
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 91
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
69 to 160
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 28 to 34
12 to 15
Strength to Weight: Bending, points 24 to 27
13 to 16
Thermal Diffusivity, mm2/s 13
37
Thermal Shock Resistance, points 25 to 31
11 to 14

Alloy Composition

Carbon (C), % 0.85 to 1.0
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 98 to 98.6
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0.6 to 0.9
0
Phosphorus (P), % 0 to 0.040
0
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4