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C34500 Brass vs. ASTM A387 Grade 5 Steel

C34500 brass belongs to the copper alloys classification, while ASTM A387 grade 5 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C34500 brass and the bottom bar is ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 12 to 28
20 to 21
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
74
Shear Strength, MPa 220 to 260
310 to 380
Tensile Strength: Ultimate (UTS), MPa 340 to 430
500 to 600
Tensile Strength: Yield (Proof), MPa 120 to 180
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Maximum Temperature: Mechanical, °C 120
510
Melting Completion (Liquidus), °C 910
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
40
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.3
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 320
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
140 to 320
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 15
18 to 21
Strength to Weight: Bending, points 13 to 16
18 to 20
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 11 to 14
14 to 17

Alloy Composition

Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
4.0 to 6.0
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
92.1 to 95.3
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0 to 0.4
0