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EN 1.4971 Stainless Steel vs. Monel K-500

EN 1.4971 stainless steel belongs to the iron alloys classification, while Monel K-500 belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 EN 1.4971 stainless steel and the bottom bar is Monel K-500.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Elongation at Break, % 34
25 to 36
Fatigue Strength, MPa 270
260 to 560
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 81
61
Shear Strength, MPa 530
430 to 700
Tensile Strength: Ultimate (UTS), MPa 800
640 to 1100
Tensile Strength: Yield (Proof), MPa 340
310 to 880

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 13
18
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
50
Density, g/cm3 8.4
8.7
Embodied Carbon, kg CO2/kg material 7.6
8.1
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 300
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 280
300 to 2420
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 26
21 to 35
Strength to Weight: Bending, points 23
19 to 27
Thermal Diffusivity, mm2/s 3.4
4.8
Thermal Shock Resistance, points 19
21 to 36

Alloy Composition

Aluminum (Al), % 0
2.3 to 3.2
Carbon (C), % 0.080 to 0.16
0 to 0.18
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 24.3 to 37.1
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
63 to 70.4
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.35 to 0.85
Tungsten (W), % 2.0 to 3.0
0