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AISI 329 Stainless Steel vs. Monel R-405

AISI 329 stainless steel belongs to the iron alloys classification, while Monel R-405 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 329 stainless steel and the bottom bar is Monel R-405.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 17
9.1 to 39
Fatigue Strength, MPa 330
210 to 250
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 80
62
Shear Strength, MPa 440
350 to 370
Tensile Strength: Ultimate (UTS), MPa 710
540 to 630
Tensile Strength: Yield (Proof), MPa 540
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1440
1350
Melting Onset (Solidus), °C 1390
1300
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
50
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.1
7.9
Embodied Energy, MJ/kg 44
110
Embodied Water, L/kg 170
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
49 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 730
120 to 370
Stiffness to Weight: Axial, points 15
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 25
17 to 20
Strength to Weight: Bending, points 23
17 to 18
Thermal Diffusivity, mm2/s 4.3
5.9
Thermal Shock Resistance, points 19
17 to 20

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.3
Chromium (Cr), % 23 to 28
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 63.1 to 74
0 to 2.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 2.0 to 5.0
63 to 72
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0.025 to 0.060