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C34500 Brass vs. ASTM A372 Grade M Steel

C34500 brass belongs to the copper alloys classification, while ASTM A372 grade M 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 A372 grade M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 12 to 28
18 to 21
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 220 to 260
510 to 570
Tensile Strength: Ultimate (UTS), MPa 340 to 430
810 to 910
Tensile Strength: Yield (Proof), MPa 120 to 180
660 to 770

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
450
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
46
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
5.0
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 45
27
Embodied Water, L/kg 320
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
160
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
1140 to 1580
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12 to 15
29 to 32
Strength to Weight: Bending, points 13 to 16
24 to 27
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 11 to 14
24 to 27

Alloy Composition

Carbon (C), % 0
0 to 0.23
Chromium (Cr), % 0
1.5 to 2.0
Copper (Cu), % 62 to 65
0
Iron (Fe), % 0 to 0.15
92.5 to 95.1
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0
2.8 to 3.9
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.010
Vanadium (V), % 0
0 to 0.080
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0 to 0.4
0

Comparable Variants