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C87900 Brass vs. EN 1.7725 Steel

C87900 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 (5, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
14
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 480
830 to 1000
Tensile Strength: Yield (Proof), MPa 240
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 130
440
Melting Completion (Liquidus), °C 930
1460
Melting Onset (Solidus), °C 900
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
39
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 17
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.9
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.8
Embodied Energy, MJ/kg 46
24
Embodied Water, L/kg 320
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 270
980 to 1940
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
29 to 35
Strength to Weight: Bending, points 17
25 to 28
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 16
24 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0.27 to 0.34
Chromium (Cr), % 0
1.3 to 1.7
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
95.7 to 97.5
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0.8 to 1.2
0 to 0.6
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 30 to 36
0