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ACI-ASTM CG8M Steel vs. CC751S Brass

ACI-ASTM CG8M steel belongs to the iron alloys classification, while CC751S brass belongs to the copper alloys. There are 29 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 ACI-ASTM CG8M steel and the bottom bar is CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 45
5.6
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 550
450
Tensile Strength: Yield (Proof), MPa 300
320

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1020
130
Melting Completion (Liquidus), °C 1450
850
Melting Onset (Solidus), °C 1400
810
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
28

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.1
2.8
Embodied Energy, MJ/kg 56
46
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
23
Resilience: Unit (Modulus of Resilience), kJ/m3 220
480
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 19
15
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 4.3
35
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
62.7 to 66
Iron (Fe), % 58.8 to 70
0.25 to 0.5
Lead (Pb), % 0
0.8 to 2.2
Manganese (Mn), % 0 to 1.5
0 to 0.15
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 9.0 to 13
0 to 0.8
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0.65 to 1.1
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.8
Zinc (Zn), % 0
27.9 to 35.6