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AISI 430F Stainless Steel vs. Nickel 689

AISI 430F stainless steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel 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 (6, in this case) are not shown.

For each property being compared, the top bar is AISI 430F stainless steel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
350
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
23
Fatigue Strength, MPa 210
420
Poisson's Ratio 0.28
0.29
Reduction in Area, % 50
21
Shear Modulus, GPa 77
80
Shear Strength, MPa 340
790
Tensile Strength: Ultimate (UTS), MPa 540
1250
Tensile Strength: Yield (Proof), MPa 310
690

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
70
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.1
11
Embodied Energy, MJ/kg 29
150
Embodied Water, L/kg 120
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
41
Strength to Weight: Bending, points 19
30
Thermal Shock Resistance, points 19
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.12
0.1 to 0.2
Chromium (Cr), % 16 to 18
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 79.2 to 83.9
0 to 5.0
Manganese (Mn), % 0 to 1.3
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Phosphorus (P), % 0 to 0.060
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8