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SAE-AISI 4340M Steel vs. CC333G Bronze

SAE-AISI 4340M steel belongs to the iron alloys classification, while CC333G bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4340M steel and the bottom bar is CC333G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
170
Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 6.0
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
45
Tensile Strength: Ultimate (UTS), MPa 2340
710
Tensile Strength: Yield (Proof), MPa 1240
310

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Maximum Temperature: Mechanical, °C 430
230
Melting Completion (Liquidus), °C 1440
1080
Melting Onset (Solidus), °C 1400
1020
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 38
38
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
29
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.9
3.5
Embodied Energy, MJ/kg 26
56
Embodied Water, L/kg 55
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
75
Resilience: Unit (Modulus of Resilience), kJ/m3 4120
410
Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 84
24
Strength to Weight: Bending, points 51
21
Thermal Diffusivity, mm2/s 10
10
Thermal Shock Resistance, points 70
24

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Bismuth (Bi), % 0
0 to 0.010
Carbon (C), % 0.38 to 0.43
0
Chromium (Cr), % 0.7 to 1.0
0 to 0.050
Copper (Cu), % 0
76 to 83
Iron (Fe), % 93.3 to 94.8
3.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.65 to 0.9
0 to 3.0
Molybdenum (Mo), % 0.35 to 0.45
0
Nickel (Ni), % 1.7 to 2.0
3.7 to 6.0
Phosphorus (P), % 0 to 0.012
0
Silicon (Si), % 1.5 to 1.8
0 to 0.1
Sulfur (S), % 0 to 0.012
0
Tin (Sn), % 0
0 to 0.1
Vanadium (V), % 0.050 to 0.1
0
Zinc (Zn), % 0
0 to 0.5