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CC334G Bronze vs. SAE-AISI 4340M Steel

CC334G bronze belongs to the copper alloys classification, while SAE-AISI 4340M steel belongs to the iron 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 CC334G bronze and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
710
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 5.6
6.0
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
72
Tensile Strength: Ultimate (UTS), MPa 810
2340
Tensile Strength: Yield (Proof), MPa 410
1240

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 240
430
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1020
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 41
38
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 29
3.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 59
26
Embodied Water, L/kg 390
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
120
Resilience: Unit (Modulus of Resilience), kJ/m3 710
4120
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 28
84
Strength to Weight: Bending, points 24
51
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 28
70

Alloy Composition

Aluminum (Al), % 10 to 12
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 72 to 84.5
0
Iron (Fe), % 3.0 to 7.0
93.3 to 94.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 2.5
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 4.0 to 7.5
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.012
Silicon (Si), % 0 to 0.1
1.5 to 1.8
Sulfur (S), % 0
0 to 0.012
Tin (Sn), % 0 to 0.2
0
Vanadium (V), % 0
0.050 to 0.1
Zinc (Zn), % 0 to 0.5
0