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ASTM A387 Grade 91 Class 2 vs. N10003 Nickel

ASTM A387 grade 91 class 2 belongs to the iron alloys classification, while N10003 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 91 class 2 and the bottom bar is N10003 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
42
Fatigue Strength, MPa 330
260
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
80
Shear Strength, MPa 420
540
Tensile Strength: Ultimate (UTS), MPa 670
780
Tensile Strength: Yield (Proof), MPa 470
320

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 600
930
Melting Completion (Liquidus), °C 1460
1520
Melting Onset (Solidus), °C 1420
1460
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
13
Embodied Energy, MJ/kg 37
180
Embodied Water, L/kg 88
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
260
Resilience: Unit (Modulus of Resilience), kJ/m3 580
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 6.9
3.1
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.5
Boron (B), % 0
0 to 0.010
Carbon (C), % 0.080 to 0.12
0.040 to 0.080
Chromium (Cr), % 8.0 to 9.5
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 87.3 to 90.3
0 to 5.0
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
15 to 18
Nickel (Ni), % 0 to 0.4
64.8 to 79
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.015
Silicon (Si), % 0.2 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0.18 to 0.25
0 to 0.5
Zirconium (Zr), % 0 to 0.010
0