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ASTM A372 Grade H Steel vs. N08120 Nickel

ASTM A372 grade H steel belongs to the iron alloys classification, while N08120 nickel belongs to the nickel alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade H steel and the bottom bar is N08120 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 22
34
Fatigue Strength, MPa 310 to 380
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 410 to 570
470
Tensile Strength: Ultimate (UTS), MPa 650 to 910
700
Tensile Strength: Yield (Proof), MPa 430 to 550
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
11
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
45
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5
7.2
Embodied Energy, MJ/kg 20
100
Embodied Water, L/kg 49
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
190
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
24
Strength to Weight: Bending, points 21 to 27
21
Thermal Diffusivity, mm2/s 12
3.0
Thermal Shock Resistance, points 19 to 27
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Boron (B), % 0
0 to 0.010
Carbon (C), % 0.3 to 0.4
0.020 to 0.1
Chromium (Cr), % 0.4 to 0.65
23 to 27
Cobalt (Co), % 0
0 to 3.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.3 to 98.3
21 to 41.4
Manganese (Mn), % 0.75 to 1.1
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.25
0 to 2.5
Nickel (Ni), % 0
35 to 39
Niobium (Nb), % 0
0.4 to 0.9
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 0
0 to 2.5