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ASTM A387 Grade 21L Class 1 vs. N07716 Nickel

ASTM A387 grade 21L class 1 belongs to the iron alloys classification, while N07716 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 21L class 1 and the bottom bar is N07716 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 160
690
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
78
Shear Strength, MPa 310
580
Tensile Strength: Ultimate (UTS), MPa 500
860
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 480
980
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 41
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
75
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 1.8
13
Embodied Energy, MJ/kg 23
190
Embodied Water, L/kg 62
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 11
2.8
Thermal Shock Resistance, points 14
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
19 to 22
Iron (Fe), % 94.4 to 96.1
0 to 11.3
Manganese (Mn), % 0.3 to 0.6
0 to 0.2
Molybdenum (Mo), % 0.9 to 1.1
7.0 to 9.5
Nickel (Ni), % 0
59 to 63
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.6