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CC751S Brass vs. EN 1.7703 Steel

CC751S brass belongs to the copper alloys classification, while EN 1.7703 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CC751S brass and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 5.6
20
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 450
670 to 690
Tensile Strength: Yield (Proof), MPa 320
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
460
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
39
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
4.2
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 46
35
Embodied Water, L/kg 330
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 480
570 to 650
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 35
11
Thermal Shock Resistance, points 15
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0.11 to 0.15
Chromium (Cr), % 0
2.0 to 2.5
Copper (Cu), % 62.7 to 66
0 to 0.2
Iron (Fe), % 0.25 to 0.5
94.6 to 96.4
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.8
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0.65 to 1.1
0 to 0.1
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 0 to 0.8
0
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35
Zinc (Zn), % 27.9 to 35.6
0