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C85700 Brass vs. EN 1.7725 Steel

C85700 brass belongs to the copper alloys classification, while EN 1.7725 steel belongs to the iron alloys. There are 28 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 C85700 brass and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 17
14
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 310
830 to 1000
Tensile Strength: Yield (Proof), MPa 110
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
440
Melting Completion (Liquidus), °C 940
1460
Melting Onset (Solidus), °C 910
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 84
39
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 25
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 47
24
Embodied Water, L/kg 330
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 59
980 to 1940
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 11
29 to 35
Strength to Weight: Bending, points 13
25 to 28
Thermal Diffusivity, mm2/s 27
11
Thermal Shock Resistance, points 10
24 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
0.27 to 0.34
Chromium (Cr), % 0
1.3 to 1.7
Copper (Cu), % 58 to 64
0
Iron (Fe), % 0 to 0.7
95.7 to 97.5
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.050
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.5 to 1.5
0
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 32 to 40
0
Residuals, % 0 to 1.3
0