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C69430 Brass vs. EN 1.6570 Steel

C69430 brass belongs to the copper alloys classification, while EN 1.6570 steel belongs to the iron alloys. There are 28 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 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 17
11 to 17
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
73
Tensile Strength: Ultimate (UTS), MPa 570
910 to 1130
Tensile Strength: Yield (Proof), MPa 280
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 820
1420
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
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 27
3.9
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 44
23
Embodied Water, L/kg 300
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 340
1520 to 3010
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 19
32 to 40
Strength to Weight: Bending, points 18
27 to 31
Thermal Diffusivity, mm2/s 7.7
11
Thermal Shock Resistance, points 20
27 to 33

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Carbon (C), % 0
0.28 to 0.35
Chromium (Cr), % 0
1.0 to 1.4
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
94 to 96.2
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 3.5 to 4.5
0 to 0.6
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 11.4 to 16.5
0
Residuals, % 0 to 0.5
0