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C95500 Bronze vs. SAE-AISI 4340M Steel

C95500 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 C95500 bronze and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
710
Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.4 to 10
6.0
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
72
Tensile Strength: Ultimate (UTS), MPa 700 to 850
2340
Tensile Strength: Yield (Proof), MPa 320 to 470
1240

Thermal Properties

Latent Heat of Fusion, J/g 230
280
Maximum Temperature: Mechanical, °C 230
430
Melting Completion (Liquidus), °C 1050
1440
Melting Onset (Solidus), °C 1040
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 42
38
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 28
3.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.9
Embodied Energy, MJ/kg 57
26
Embodied Water, L/kg 390
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58 to 61
120
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 950
4120
Stiffness to Weight: Axial, points 8.0
13
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 24 to 29
84
Strength to Weight: Bending, points 21 to 24
51
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 24 to 29
70

Alloy Composition

Aluminum (Al), % 10 to 11.5
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 78 to 84
0
Iron (Fe), % 3.0 to 5.0
93.3 to 94.8
Manganese (Mn), % 0 to 3.5
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 3.0 to 5.5
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.012
Silicon (Si), % 0
1.5 to 1.8
Sulfur (S), % 0
0 to 0.012
Vanadium (V), % 0
0.050 to 0.1
Residuals, % 0 to 0.5
0