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ASTM A387 Grade 12 Steel vs. N06650 Nickel

ASTM A387 grade 12 steel belongs to the iron alloys classification, while N06650 nickel belongs to the nickel alloys. 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 12 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, % 25
50
Fatigue Strength, MPa 190 to 230
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
82
Shear Strength, MPa 300 to 330
640
Tensile Strength: Ultimate (UTS), MPa 470 to 520
900
Tensile Strength: Yield (Proof), MPa 260 to 310
460

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 430
980
Melting Completion (Liquidus), °C 1470
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 2.8
60
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.6
10
Embodied Energy, MJ/kg 21
140
Embodied Water, L/kg 51
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
380
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 16 to 18
29
Strength to Weight: Bending, points 17 to 18
24
Thermal Shock Resistance, points 14 to 15
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 0.050 to 0.17
0 to 0.030
Chromium (Cr), % 0.8 to 1.2
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97 to 98.2
12 to 16
Manganese (Mn), % 0.4 to 0.65
0 to 0.5
Molybdenum (Mo), % 0.45 to 0.6
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), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0
0.5 to 2.5