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C69700 Brass vs. SAE-AISI 1038 Steel

C69700 brass belongs to the copper alloys classification, while SAE-AISI 1038 steel belongs to the iron 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 C69700 brass and the bottom bar is SAE-AISI 1038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
14 to 20
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
73
Shear Strength, MPa 300
370 to 390
Tensile Strength: Ultimate (UTS), MPa 470
590 to 640
Tensile Strength: Yield (Proof), MPa 230
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 880
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 43
51
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
1.8
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 44
18
Embodied Water, L/kg 310
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
270 to 790
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
21 to 23
Strength to Weight: Bending, points 16
20 to 21
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 16
19 to 20

Alloy Composition

Carbon (C), % 0
0.35 to 0.42
Copper (Cu), % 75 to 80
0
Iron (Fe), % 0 to 0.2
98.6 to 99.05
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.5 to 3.5
0
Sulfur (S), % 0
0 to 0.050
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0