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Monel K-500 vs. ASTM Grade HH Steel

Monel K-500 belongs to the nickel alloys classification, while ASTM grade HH steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Monel K-500 and the bottom bar is ASTM grade HH steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 25 to 36
11
Fatigue Strength, MPa 260 to 560
150
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 61
79
Tensile Strength: Ultimate (UTS), MPa 640 to 1100
580
Tensile Strength: Yield (Proof), MPa 310 to 880
270

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1350
1400
Melting Onset (Solidus), °C 1320
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 18
14
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
20
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 8.1
3.7
Embodied Energy, MJ/kg 120
53
Embodied Water, L/kg 280
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 260
53
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 2420
190
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 21 to 35
21
Strength to Weight: Bending, points 19 to 27
20
Thermal Diffusivity, mm2/s 4.8
3.8
Thermal Shock Resistance, points 21 to 36
12

Alloy Composition

Aluminum (Al), % 2.3 to 3.2
0
Carbon (C), % 0 to 0.18
0.2 to 0.5
Chromium (Cr), % 0
24 to 28
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 2.0
52.9 to 64.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 63 to 70.4
11 to 14
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.35 to 0.85
0