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Nickel 30 vs. SAE-AISI 4340 Steel

Nickel 30 belongs to the nickel alloys classification, while SAE-AISI 4340 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is SAE-AISI 4340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
12 to 22
Fatigue Strength, MPa 200
330 to 740
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
73
Shear Strength, MPa 440
430 to 770
Tensile Strength: Ultimate (UTS), MPa 660
690 to 1280
Tensile Strength: Yield (Proof), MPa 270
470 to 1150

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
430
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 60
3.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.4
1.7
Embodied Energy, MJ/kg 130
22
Embodied Water, L/kg 290
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
79 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
590 to 3490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
24 to 45
Strength to Weight: Bending, points 20
22 to 33
Thermal Diffusivity, mm2/s 2.7
12
Thermal Shock Resistance, points 18
20 to 38

Alloy Composition

Carbon (C), % 0 to 0.030
0.38 to 0.43
Chromium (Cr), % 28 to 31.5
0.7 to 0.9
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
95.1 to 96.3
Manganese (Mn), % 0 to 0.030
0.6 to 0.8
Molybdenum (Mo), % 4.0 to 6.0
0.2 to 0.3
Nickel (Ni), % 30.2 to 52.2
1.7 to 2.0
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 1.5 to 4.0
0