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SAE-AISI 8740 Steel vs. Nickel 200

SAE-AISI 8740 steel belongs to the iron alloys classification, while nickel 200 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 SAE-AISI 8740 steel and the bottom bar is nickel 200.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 11 to 23
23 to 44
Fatigue Strength, MPa 270 to 350
120 to 350
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
70
Shear Strength, MPa 370 to 400
300 to 340
Tensile Strength: Ultimate (UTS), MPa 580 to 670
420 to 540
Tensile Strength: Yield (Proof), MPa 380 to 570
120 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 39
69
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
18
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
65
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 50
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 850
42 to 370
Stiffness to Weight: Axial, points 13
11
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 20 to 24
13 to 17
Strength to Weight: Bending, points 20 to 22
14 to 17
Thermal Diffusivity, mm2/s 10
17
Thermal Shock Resistance, points 17 to 20
13 to 16

Alloy Composition

Carbon (C), % 0.38 to 0.43
0 to 0.15
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.5 to 97.7
0 to 0.4
Manganese (Mn), % 0.75 to 1.0
0 to 0.35
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 0.4 to 0.7
99 to 100
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.010

Comparable Variants