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SAE-AISI 1049 Steel vs. C69700 Brass

SAE-AISI 1049 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 1049 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 to 17
25
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
41
Shear Strength, MPa 420 to 450
300
Tensile Strength: Ultimate (UTS), MPa 680 to 750
470
Tensile Strength: Yield (Proof), MPa 370 to 640
230

Thermal Properties

Latent Heat of Fusion, J/g 250
240
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1460
930
Melting Onset (Solidus), °C 1420
880
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 51
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 18
44
Embodied Water, L/kg 46
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
99
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
250
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 24 to 27
16
Strength to Weight: Bending, points 22 to 23
16
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 22 to 24
16

Alloy Composition

Carbon (C), % 0.46 to 0.53
0
Copper (Cu), % 0
75 to 80
Iron (Fe), % 98.5 to 98.9
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