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Nickel 689 vs. S40945 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while S40945 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
160
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
25
Fatigue Strength, MPa 420
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 790
270
Tensile Strength: Ultimate (UTS), MPa 1250
430
Tensile Strength: Yield (Proof), MPa 690
230

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 990
710
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
2.2
Embodied Energy, MJ/kg 150
31
Embodied Water, L/kg 330
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
89
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
15
Strength to Weight: Bending, points 30
16
Thermal Shock Resistance, points 35
15

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0 to 0.030
Chromium (Cr), % 18 to 20
10.5 to 11.7
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
85.1 to 89.3
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0.050 to 0.2