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Nickel 890 vs. ASTM A369 Grade FP21

Nickel 890 belongs to the nickel alloys classification, while ASTM A369 grade FP21 belongs to the iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 890 and the bottom bar is ASTM A369 grade FP21.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
20
Fatigue Strength, MPa 180
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 400
300
Tensile Strength: Ultimate (UTS), MPa 590
470
Tensile Strength: Yield (Proof), MPa 230
240

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 1000
470
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 47
4.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.8
Embodied Energy, MJ/kg 120
23
Embodied Water, L/kg 250
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
80
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0.050 to 0.6
0
Carbon (C), % 0.060 to 0.14
0.050 to 0.15
Chromium (Cr), % 23.5 to 28.5
2.7 to 3.4
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 17.3 to 33.9
94.3 to 96.2
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 1.0 to 2.0
0.8 to 1.1
Nickel (Ni), % 40 to 45
0
Niobium (Nb), % 0.2 to 1.0
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Tantalum (Ta), % 0.1 to 0.6
0
Titanium (Ti), % 0.15 to 0.6
0