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ASTM A387 Grade 22 Steel vs. N07776 Nickel

ASTM A387 grade 22 steel belongs to the iron alloys classification, while N07776 nickel belongs to the nickel alloys. There are 26 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 22 steel and the bottom bar is N07776 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
39
Fatigue Strength, MPa 160 to 240
220
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
79
Shear Strength, MPa 300 to 380
470
Tensile Strength: Ultimate (UTS), MPa 480 to 600
700
Tensile Strength: Yield (Proof), MPa 230 to 350
270

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 460
970
Melting Completion (Liquidus), °C 1470
1550
Melting Onset (Solidus), °C 1430
1500
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
85
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 1.7
15
Embodied Energy, MJ/kg 23
210
Embodied Water, L/kg 58
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17 to 21
22
Strength to Weight: Bending, points 17 to 20
20
Thermal Shock Resistance, points 14 to 17
20

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
12 to 22
Iron (Fe), % 95.1 to 96.8
0 to 24.5
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
9.0 to 15
Nickel (Ni), % 0
50 to 60
Niobium (Nb), % 0
4.0 to 6.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 0
0.5 to 2.5