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C69430 Brass vs. SAE-AISI M34 Steel

C69430 brass belongs to the copper alloys classification, while SAE-AISI M34 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 570
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 920
1540
Melting Onset (Solidus), °C 820
1500
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 26
24
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 27
32
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
9.5
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 300
150

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
27 to 74
Strength to Weight: Bending, points 18
23 to 46
Thermal Diffusivity, mm2/s 7.7
6.7
Thermal Shock Resistance, points 20
25 to 67

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 80 to 83
0 to 0.25
Iron (Fe), % 0 to 0.2
71.3 to 76.5
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0