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ASTM A387 Grade 5 Steel vs. C87500 Brass

ASTM A387 grade 5 steel belongs to the iron alloys classification, while C87500 brass belongs to the copper 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 ASTM A387 grade 5 steel and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20 to 21
18
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
42
Tensile Strength: Ultimate (UTS), MPa 500 to 600
460
Tensile Strength: Yield (Proof), MPa 230 to 350
190

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 510
170
Melting Completion (Liquidus), °C 1460
920
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 40
28
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.7
2.7
Embodied Energy, MJ/kg 23
44
Embodied Water, L/kg 69
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
67
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
160
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 18 to 21
16
Strength to Weight: Bending, points 18 to 20
16
Thermal Diffusivity, mm2/s 11
8.3
Thermal Shock Resistance, points 14 to 17
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0
79 to 85
Iron (Fe), % 92.1 to 95.3
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
3.0 to 5.0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5