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ACI-ASTM CN7MS Steel vs. CC490K Brass

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while CC490K brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is CC490K brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
76
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 540
230
Tensile Strength: Yield (Proof), MPa 230
110

Thermal Properties

Latent Heat of Fusion, J/g 340
190
Maximum Temperature: Mechanical, °C 1040
160
Melting Completion (Liquidus), °C 1400
980
Melting Onset (Solidus), °C 1350
910
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 12
72
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 5.1
2.9
Embodied Energy, MJ/kg 71
47
Embodied Water, L/kg 180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
28
Resilience: Unit (Modulus of Resilience), kJ/m3 140
54
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 19
7.3
Strength to Weight: Bending, points 19
9.5
Thermal Diffusivity, mm2/s 3.2
22
Thermal Shock Resistance, points 13
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
81 to 86
Iron (Fe), % 45.4 to 53.5
0 to 0.5
Lead (Pb), % 0
3.0 to 6.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 2.5 to 3.5
0 to 0.010
Sulfur (S), % 0 to 0.030
0 to 0.1
Tin (Sn), % 0
2.0 to 3.5
Zinc (Zn), % 0
7.0 to 9.5