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Monel R-405 vs. AISI 430 Stainless Steel

Monel R-405 belongs to the nickel alloys classification, while AISI 430 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is Monel R-405 and the bottom bar is AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 9.1 to 39
24
Fatigue Strength, MPa 210 to 250
180
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 62
77
Shear Strength, MPa 350 to 370
320
Tensile Strength: Ultimate (UTS), MPa 540 to 630
500
Tensile Strength: Yield (Proof), MPa 190 to 350
260

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 900
870
Melting Completion (Liquidus), °C 1350
1510
Melting Onset (Solidus), °C 1300
1430
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 23
25
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
8.5
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.1
Embodied Energy, MJ/kg 110
30
Embodied Water, L/kg 250
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 370
170
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 17 to 20
18
Strength to Weight: Bending, points 17 to 18
18
Thermal Diffusivity, mm2/s 5.9
6.7
Thermal Shock Resistance, points 17 to 20
18

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.12
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 28 to 34
0
Iron (Fe), % 0 to 2.5
79.1 to 84
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 63 to 72
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.025 to 0.060
0 to 0.030