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Nickel 601 vs. SAE-AISI 4621 Steel

Nickel 601 belongs to the nickel alloys classification, while SAE-AISI 4621 steel belongs to the iron 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 nickel 601 and the bottom bar is SAE-AISI 4621 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 10 to 38
27
Fatigue Strength, MPa 220 to 380
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 440 to 530
320
Tensile Strength: Ultimate (UTS), MPa 660 to 890
500
Tensile Strength: Yield (Proof), MPa 290 to 800
360

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 11
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 49
3.3
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 8.0
1.6
Embodied Energy, MJ/kg 110
22
Embodied Water, L/kg 280
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 1630
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22 to 30
18
Strength to Weight: Bending, points 20 to 25
18
Thermal Diffusivity, mm2/s 2.8
12
Thermal Shock Resistance, points 17 to 23
15

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
0
Carbon (C), % 0 to 0.1
0.18 to 0.23
Chromium (Cr), % 21 to 25
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 7.7 to 20
96.1 to 97.1
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 58 to 63
1.7 to 2.0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040