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SAE-AISI M34 Steel vs. C64700 Bronze

SAE-AISI M34 steel belongs to the iron alloys classification, while C64700 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M34 steel and the bottom bar is C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
660

Thermal Properties

Latent Heat of Fusion, J/g 270
220
Melting Completion (Liquidus), °C 1540
1090
Melting Onset (Solidus), °C 1500
1030
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 24
210
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 32
31
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 9.5
2.7
Embodied Energy, MJ/kg 140
43
Embodied Water, L/kg 150
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 27 to 74
21
Strength to Weight: Bending, points 23 to 46
19
Thermal Diffusivity, mm2/s 6.7
59
Thermal Shock Resistance, points 25 to 67
24

Alloy Composition

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
95.8 to 98
Iron (Fe), % 71.3 to 76.5
0 to 0.1
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 7.8 to 9.2
0
Nickel (Ni), % 0 to 0.3
1.6 to 2.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0.4 to 0.8
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.9 to 2.3
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5