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AISI 204 Stainless Steel vs. Monel R-405

AISI 204 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 (4, in this case) are not shown.

For each property being compared, the top bar is AISI 204 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, % 23 to 39
9.1 to 39
Fatigue Strength, MPa 320 to 720
210 to 250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
62
Shear Strength, MPa 500 to 700
350 to 370
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
540 to 630
Tensile Strength: Yield (Proof), MPa 380 to 1080
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 850
900
Melting Completion (Liquidus), °C 1410
1350
Melting Onset (Solidus), °C 1370
1300
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
50
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.4
7.9
Embodied Energy, MJ/kg 35
110
Embodied Water, L/kg 130
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
49 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
120 to 370
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 27 to 40
17 to 20
Strength to Weight: Bending, points 24 to 31
17 to 18
Thermal Diffusivity, mm2/s 4.1
5.9
Thermal Shock Resistance, points 16 to 24
17 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
28 to 34
Iron (Fe), % 69.6 to 76.4
0 to 2.5
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Nickel (Ni), % 1.5 to 3.0
63 to 72
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0.025 to 0.060

Comparable Variants