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ACI-ASTM CN7M Steel vs. CC494K Bronze

ACI-ASTM CN7M steel belongs to the iron alloys classification, while CC494K bronze belongs to the copper 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 ACI-ASTM CN7M steel and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
67
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 44
7.6
Poisson's Ratio 0.28
0.35
Shear Modulus, GPa 77
39
Tensile Strength: Ultimate (UTS), MPa 480
210
Tensile Strength: Yield (Proof), MPa 200
94

Thermal Properties

Latent Heat of Fusion, J/g 310
180
Maximum Temperature: Mechanical, °C 1100
160
Melting Completion (Liquidus), °C 1410
970
Melting Onset (Solidus), °C 1450
890
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 21
63
Thermal Expansion, µm/m-K 15
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
16
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
16

Otherwise Unclassified Properties

Base Metal Price, % relative 32
31
Density, g/cm3 8.1
9.1
Embodied Carbon, kg CO2/kg material 5.6
3.1
Embodied Energy, MJ/kg 78
50
Embodied Water, L/kg 210
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
13
Resilience: Unit (Modulus of Resilience), kJ/m3 110
43
Stiffness to Weight: Axial, points 14
6.4
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 17
6.5
Strength to Weight: Bending, points 17
8.8
Thermal Diffusivity, mm2/s 5.6
19
Thermal Shock Resistance, points 12
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 19 to 22
0
Copper (Cu), % 3.0 to 4.0
78 to 87
Iron (Fe), % 37.4 to 48.5
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0 to 1.5
0 to 0.2
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 27.5 to 30.5
0 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.1
Silicon (Si), % 0 to 1.5
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
0 to 2.0