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C69430 Brass vs. EN 1.7729 Steel

C69430 brass belongs to the copper alloys classification, while EN 1.7729 steel belongs to the iron alloys. There are 29 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 C69430 brass and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
17
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Shear Strength, MPa 350
560
Tensile Strength: Ultimate (UTS), MPa 570
910
Tensile Strength: Yield (Proof), MPa 280
750

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
430
Melting Completion (Liquidus), °C 920
1470
Melting Onset (Solidus), °C 820
1430
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 27
3.8
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 300
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
150
Resilience: Unit (Modulus of Resilience), kJ/m3 340
1500
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 18
27
Thermal Diffusivity, mm2/s 7.7
11
Thermal Shock Resistance, points 20
27

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.080
Arsenic (As), % 0.030 to 0.060
0 to 0.020
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0.17 to 0.23
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 80 to 83
0 to 0.2
Iron (Fe), % 0 to 0.2
94.8 to 97
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 3.5 to 4.5
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0