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SAE-AISI 5155 Steel vs. Nickel 617

SAE-AISI 5155 steel belongs to the iron alloys classification, while nickel 617 belongs to the nickel 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 SAE-AISI 5155 steel and the bottom bar is nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
40
Fatigue Strength, MPa 260
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
80
Shear Strength, MPa 390
510
Tensile Strength: Ultimate (UTS), MPa 620
740
Tensile Strength: Yield (Proof), MPa 380
280

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 420
1010
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 49
13
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
10
Embodied Energy, MJ/kg 19
140
Embodied Water, L/kg 49
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 380
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 13
3.5
Thermal Shock Resistance, points 20
21

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0.51 to 0.59
0.050 to 0.15
Chromium (Cr), % 0.7 to 0.9
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.2 to 97.9
0 to 3.0
Manganese (Mn), % 0.7 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
44.5 to 62
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015