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ACI-ASTM CA6NM Steel vs. C68000 Brass

ACI-ASTM CA6NM steel belongs to the iron alloys classification, while C68000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 17
27
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 850
390
Tensile Strength: Yield (Proof), MPa 620
140

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 770
120
Melting Completion (Liquidus), °C 1450
880
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 25
96
Thermal Expansion, µm/m-K 10
21

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.5
2.8
Embodied Energy, MJ/kg 34
48
Embodied Water, L/kg 110
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
82
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
95
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 30
14
Strength to Weight: Bending, points 26
15
Thermal Diffusivity, mm2/s 6.7
31
Thermal Shock Resistance, points 31
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
56 to 60
Iron (Fe), % 78.4 to 84.6
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0.010 to 0.5
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
0.2 to 0.8
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.040 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5