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ASTM A387 Grade 22L Class 1 vs. N08221 Nickel

ASTM A387 grade 22L class 1 belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have a modest 32% 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 (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22L class 1 and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 160
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 310
410
Tensile Strength: Ultimate (UTS), MPa 500
610
Tensile Strength: Yield (Proof), MPa 230
270

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 460
980
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
44
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.7
7.9
Embodied Energy, MJ/kg 23
110
Embodied Water, L/kg 58
240

Common Calculations

PREN (Pitting Resistance) 5.6
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.1
0 to 0.025
Chromium (Cr), % 2.0 to 2.5
20 to 22
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 95.2 to 96.8
22 to 33.9
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
5.0 to 6.5
Nickel (Ni), % 0
39 to 46
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 0.050
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0