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SAE-AISI 1090 Steel vs. C69700 Brass

SAE-AISI 1090 steel belongs to the iron alloys classification, while C69700 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1090 steel and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11
25
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
41
Shear Strength, MPa 470 to 570
300
Tensile Strength: Ultimate (UTS), MPa 790 to 950
470
Tensile Strength: Yield (Proof), MPa 520 to 610
230

Thermal Properties

Latent Heat of Fusion, J/g 240
240
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1450
930
Melting Onset (Solidus), °C 1410
880
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 50
43
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
26
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 46
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 91
99
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
250
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 28 to 34
16
Strength to Weight: Bending, points 24 to 27
16
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 25 to 31
16

Alloy Composition

Carbon (C), % 0.85 to 1.0
0
Copper (Cu), % 0
75 to 80
Iron (Fe), % 98 to 98.6
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0.6 to 0.9
0 to 0.4
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
2.5 to 3.5
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
13.9 to 22
Residuals, % 0
0 to 0.5