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Nickel 80A vs. SAE-AISI H21 Steel

Nickel 80A belongs to the nickel alloys classification, while SAE-AISI H21 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 80A and the bottom bar is SAE-AISI H21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 1040
720 to 1790

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1360
1630
Melting Onset (Solidus), °C 1310
1580
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 11
27
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
23
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 9.8
4.5
Embodied Energy, MJ/kg 140
68
Embodied Water, L/kg 280
72

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 35
23 to 58
Strength to Weight: Bending, points 27
21 to 38
Thermal Diffusivity, mm2/s 2.9
7.1
Thermal Shock Resistance, points 31
24 to 59

Alloy Composition

Aluminum (Al), % 0.5 to 1.8
0
Carbon (C), % 0 to 0.1
0.28 to 0.36
Chromium (Cr), % 18 to 21
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
87.6 to 93.8
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Nickel (Ni), % 69.4 to 79.7
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.8 to 2.7
0
Tungsten (W), % 0
8.5 to 10
Vanadium (V), % 0
0.3 to 0.6