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ASTM A387 Grade 22L Class 1 vs. Grade CW2M Nickel

ASTM A387 grade 22L class 1 belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
23
Fatigue Strength, MPa 160
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
83
Tensile Strength: Ultimate (UTS), MPa 500
560
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Maximum Temperature: Mechanical, °C 460
960
Melting Completion (Liquidus), °C 1470
1520
Melting Onset (Solidus), °C 1430
1460
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
70
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 1.7
12
Embodied Energy, MJ/kg 23
170
Embodied Water, L/kg 58
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
17
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 2.0 to 2.5
15 to 17.5
Iron (Fe), % 95.2 to 96.8
0 to 2.0
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
15 to 17.5
Nickel (Ni), % 0
60.1 to 70
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
0 to 1.0