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Nickel 689 vs. AISI 302 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while AISI 302 stainless steel belongs to the iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. 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 AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
4.5 to 46
Fatigue Strength, MPa 420
210 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
400 to 830
Tensile Strength: Ultimate (UTS), MPa 1250
580 to 1430
Tensile Strength: Yield (Proof), MPa 690
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
710
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
3.0
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 330
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
21 to 51
Strength to Weight: Bending, points 30
20 to 36
Thermal Shock Resistance, points 35
12 to 31

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 0.15
Chromium (Cr), % 18 to 20
17 to 19
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
67.9 to 75
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0