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ASTM A182 Grade F12 Class 2 vs. N08221 Nickel

ASTM A182 grade F12 class 2 belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 A182 grade F12 class 2 and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 220
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 340
410
Tensile Strength: Ultimate (UTS), MPa 540
610
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 430
980
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
44
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.6
7.9
Embodied Energy, MJ/kg 21
110
Embodied Water, L/kg 52
240

Common Calculations

PREN (Pitting Resistance) 2.8
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
170
Resilience: Unit (Modulus of Resilience), kJ/m3 260
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 16
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.1 to 0.2
0 to 0.025
Chromium (Cr), % 0.8 to 1.3
20 to 22
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 96.4 to 98.3
22 to 33.9
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
5.0 to 6.5
Nickel (Ni), % 0
39 to 46
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.1 to 0.6
0 to 0.050
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0