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ASTM A387 Grade 5 Steel vs. N06650 Nickel

ASTM A387 grade 5 steel belongs to the iron alloys classification, while N06650 nickel belongs to the nickel alloys. They have a modest 20% 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 ASTM A387 grade 5 steel and the bottom bar is N06650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 21
50
Fatigue Strength, MPa 160 to 240
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
82
Shear Strength, MPa 310 to 380
640
Tensile Strength: Ultimate (UTS), MPa 500 to 600
900
Tensile Strength: Yield (Proof), MPa 230 to 350
460

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 510
980
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
60
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.7
10
Embodied Energy, MJ/kg 23
140
Embodied Water, L/kg 69
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
380
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18 to 21
29
Strength to Weight: Bending, points 18 to 20
24
Thermal Shock Resistance, points 14 to 17
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 92.1 to 95.3
12 to 16
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.45 to 0.65
9.5 to 12.5
Nickel (Ni), % 0
44.4 to 58.9
Niobium (Nb), % 0
0.050 to 0.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0
0.5 to 2.5