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CC751S Brass vs. EN 1.7709 Steel

CC751S brass belongs to the copper alloys classification, while EN 1.7709 steel belongs to the iron alloys. There are 25 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 CC751S brass and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 450
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
440
Melting Completion (Liquidus), °C 850
1470
Melting Onset (Solidus), °C 810
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
33
Thermal Expansion, µm/m-K 20
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 28
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 46
32
Embodied Water, L/kg 330
56

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
23 to 27
Strength to Weight: Bending, points 16
21 to 24
Thermal Diffusivity, mm2/s 35
8.9
Thermal Shock Resistance, points 15
22 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.030
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.17 to 0.25
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 62.7 to 66
0
Iron (Fe), % 0.25 to 0.5
95.2 to 97.5
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0.4 to 0.8
Molybdenum (Mo), % 0
0.55 to 0.8
Nickel (Ni), % 0 to 0.8
0 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.65 to 1.1
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.8
0
Vanadium (V), % 0
0.2 to 0.35
Zinc (Zn), % 27.9 to 35.6
0