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Nickel 689 vs. AISI 430 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while AISI 430 stainless steel belongs to the iron alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
24
Fatigue Strength, MPa 420
180
Poisson's Ratio 0.29
0.28
Reduction in Area, % 21
51
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
320
Tensile Strength: Ultimate (UTS), MPa 1250
500
Tensile Strength: Yield (Proof), MPa 690
260

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
870
Melting Completion (Liquidus), °C 1440
1510
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.5
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
2.1
Embodied Energy, MJ/kg 150
30
Embodied Water, L/kg 330
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
18
Strength to Weight: Bending, points 30
18
Thermal Shock Resistance, points 35
18

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 0.12
Chromium (Cr), % 18 to 20
16 to 18
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
79.1 to 84
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 0.75
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