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SAE-AISI 4340M Steel vs. Nickel 59

SAE-AISI 4340M steel belongs to the iron alloys classification, while nickel 59 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4340M steel and the bottom bar is nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 6.0
50
Fatigue Strength, MPa 690
320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
84
Shear Strength, MPa 1360
560
Tensile Strength: Ultimate (UTS), MPa 2340
780
Tensile Strength: Yield (Proof), MPa 1240
350

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 430
990
Melting Completion (Liquidus), °C 1440
1500
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 38
10
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
65
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.9
12
Embodied Energy, MJ/kg 26
160
Embodied Water, L/kg 55
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
320
Resilience: Unit (Modulus of Resilience), kJ/m3 4120
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 84
25
Strength to Weight: Bending, points 51
22
Thermal Diffusivity, mm2/s 10
2.7
Thermal Shock Resistance, points 70
15

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.4
Carbon (C), % 0.38 to 0.43
0 to 0.010
Chromium (Cr), % 0.7 to 1.0
22 to 24
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 93.3 to 94.8
0 to 1.5
Manganese (Mn), % 0.65 to 0.9
0 to 0.5
Molybdenum (Mo), % 0.35 to 0.45
15 to 16.5
Nickel (Ni), % 1.7 to 2.0
56.2 to 62.9
Phosphorus (P), % 0 to 0.012
0 to 0.015
Silicon (Si), % 1.5 to 1.8
0 to 0.1
Sulfur (S), % 0 to 0.012
0 to 0.010
Vanadium (V), % 0.050 to 0.1
0