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Nickel 689 vs. EN 1.4901 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4901 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
19
Fatigue Strength, MPa 420
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 790
460
Tensile Strength: Ultimate (UTS), MPa 1250
740
Tensile Strength: Yield (Proof), MPa 690
490

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 990
650
Melting Completion (Liquidus), °C 1440
1490
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
11
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 330
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 41
26
Strength to Weight: Bending, points 30
23
Thermal Shock Resistance, points 35
23

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0 to 0.020
Boron (B), % 0.0030 to 0.010
0.0010 to 0.0060
Carbon (C), % 0.1 to 0.2
0.070 to 0.13
Chromium (Cr), % 18 to 20
8.5 to 9.5
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
85.8 to 89.1
Manganese (Mn), % 0 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 9.0 to 10.5
0.3 to 0.6
Nickel (Ni), % 48.3 to 60.9
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 2.3 to 2.8
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010