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CC751S Brass vs. EN 1.7729 Steel

CC751S 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 CC751S brass and the bottom bar is EN 1.7729 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
270
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 5.6
17
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 450
910
Tensile Strength: Yield (Proof), MPa 320
750

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
430
Melting Completion (Liquidus), °C 850
1470
Melting Onset (Solidus), °C 810
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 28
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 46
49
Embodied Water, L/kg 330
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
150
Resilience: Unit (Modulus of Resilience), kJ/m3 480
1500
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
32
Strength to Weight: Bending, points 16
27
Thermal Diffusivity, mm2/s 35
11
Thermal Shock Resistance, points 15
27

Alloy Composition

Aluminum (Al), % 0 to 0.1
0.015 to 0.080
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0
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), % 62.7 to 66
0 to 0.2
Iron (Fe), % 0.25 to 0.5
94.8 to 97
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0.35 to 0.75
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.8
0 to 0.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.65 to 1.1
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.8
0 to 0.020
Titanium (Ti), % 0
0.070 to 0.15
Vanadium (V), % 0
0.6 to 0.8
Zinc (Zn), % 27.9 to 35.6
0