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ASTM A387 Grade 91 Class 2 vs. N06210 Nickel

ASTM A387 grade 91 class 2 belongs to the iron alloys classification, while N06210 nickel belongs to the nickel alloys. There are 26 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 ASTM A387 grade 91 class 2 and the bottom bar is N06210 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 20
51
Fatigue Strength, MPa 330
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
85
Shear Strength, MPa 420
560
Tensile Strength: Ultimate (UTS), MPa 670
780
Tensile Strength: Yield (Proof), MPa 470
350

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 600
980
Melting Completion (Liquidus), °C 1460
1570
Melting Onset (Solidus), °C 1420
1510
Specific Heat Capacity, J/kg-K 470
420
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
85
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.6
17
Embodied Energy, MJ/kg 37
250
Embodied Water, L/kg 88
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
320
Resilience: Unit (Modulus of Resilience), kJ/m3 580
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 19
22

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0 to 0.015
Chromium (Cr), % 8.0 to 9.5
18 to 20
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 87.3 to 90.3
0 to 1.0
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.85 to 1.1
18 to 20
Nickel (Ni), % 0 to 0.4
54.8 to 62.5
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0.2 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.010
0 to 0.020
Tantalum (Ta), % 0
1.5 to 2.2
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0 to 0.35
Zirconium (Zr), % 0 to 0.010
0