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ASTM A387 Grade 22 Steel vs. Monel K-500

ASTM A387 grade 22 steel belongs to the iron alloys classification, while Monel K-500 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 ASTM A387 grade 22 steel and the bottom bar is Monel K-500.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 21
25 to 36
Fatigue Strength, MPa 160 to 240
260 to 560
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
61
Shear Strength, MPa 300 to 380
430 to 700
Tensile Strength: Ultimate (UTS), MPa 480 to 600
640 to 1100
Tensile Strength: Yield (Proof), MPa 230 to 350
310 to 880

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 460
900
Melting Completion (Liquidus), °C 1470
1350
Melting Onset (Solidus), °C 1430
1320
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 40
18
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
50
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.7
8.1
Embodied Energy, MJ/kg 23
120
Embodied Water, L/kg 58
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
180 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
300 to 2420
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 17 to 21
21 to 35
Strength to Weight: Bending, points 17 to 20
19 to 27
Thermal Diffusivity, mm2/s 11
4.8
Thermal Shock Resistance, points 14 to 17
21 to 36

Alloy Composition

Aluminum (Al), % 0
2.3 to 3.2
Carbon (C), % 0.050 to 0.15
0 to 0.18
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 95.1 to 96.8
0 to 2.0
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
63 to 70.4
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0.35 to 0.85

Comparable Variants