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SAE-AISI M34 Steel vs. C94300 Bronze

SAE-AISI M34 steel belongs to the iron alloys classification, while C94300 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M34 steel and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 77
32
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
180

Thermal Properties

Latent Heat of Fusion, J/g 270
150
Melting Completion (Liquidus), °C 1540
820
Melting Onset (Solidus), °C 1500
760
Specific Heat Capacity, J/kg-K 450
320
Thermal Conductivity, W/m-K 24
63
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 32
28
Density, g/cm3 8.2
9.3
Embodied Carbon, kg CO2/kg material 9.5
2.9
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 150
370

Common Calculations

Stiffness to Weight: Axial, points 14
5.2
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 27 to 74
5.2
Strength to Weight: Bending, points 23 to 46
7.4
Thermal Diffusivity, mm2/s 6.7
21
Thermal Shock Resistance, points 25 to 67
7.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.85 to 0.92
0
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
67 to 72
Iron (Fe), % 71.3 to 76.5
0 to 0.15
Lead (Pb), % 0
23 to 27
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 7.8 to 9.2
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0.2 to 0.45
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
4.5 to 6.0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 1.0