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Monel R-405 vs. SAE-AISI M34 Steel

Monel R-405 belongs to the nickel alloys classification, while SAE-AISI M34 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is Monel R-405 and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 62
77
Tensile Strength: Ultimate (UTS), MPa 540 to 630
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1350
1540
Melting Onset (Solidus), °C 1300
1500
Specific Heat Capacity, J/kg-K 430
450
Thermal Conductivity, W/m-K 23
24
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 50
32
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 7.9
9.5
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 250
150

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 17 to 20
27 to 74
Strength to Weight: Bending, points 17 to 18
23 to 46
Thermal Diffusivity, mm2/s 5.9
6.7
Thermal Shock Resistance, points 17 to 20
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.3
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 28 to 34
0 to 0.25
Iron (Fe), % 0 to 2.5
71.3 to 76.5
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.2
Nickel (Ni), % 63 to 72
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.45
Sulfur (S), % 0.025 to 0.060
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3

Comparable Variants