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SAE-AISI H21 Steel vs. N06210 Nickel

SAE-AISI H21 steel belongs to the iron alloys classification, while N06210 nickel belongs to the nickel alloys. There are 19 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 SAE-AISI H21 steel and the bottom bar is N06210 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
780

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Melting Completion (Liquidus), °C 1630
1570
Melting Onset (Solidus), °C 1580
1510
Specific Heat Capacity, J/kg-K 440
420
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
85
Density, g/cm3 8.5
9.0
Embodied Carbon, kg CO2/kg material 4.5
17
Embodied Energy, MJ/kg 68
250
Embodied Water, L/kg 72
310

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 23 to 58
24
Strength to Weight: Bending, points 21 to 38
21
Thermal Shock Resistance, points 24 to 59
22

Alloy Composition

Carbon (C), % 0.28 to 0.36
0 to 0.015
Chromium (Cr), % 3.0 to 3.8
18 to 20
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87.6 to 93.8
0 to 1.0
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 0
18 to 20
Nickel (Ni), % 0 to 0.3
54.8 to 62.5
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.15 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Tantalum (Ta), % 0
1.5 to 2.2
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0 to 0.35