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Nickel 689 vs. EN 1.4371 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4371 stainless steel belongs to the iron alloys. They have a modest 24% 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 (7, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4371 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
45 to 51
Fatigue Strength, MPa 420
290 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
520 to 540
Tensile Strength: Ultimate (UTS), MPa 1250
740 to 750
Tensile Strength: Yield (Proof), MPa 690
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
880
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
2.6
Embodied Energy, MJ/kg 150
38
Embodied Water, L/kg 330
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
270 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
250 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
27
Strength to Weight: Bending, points 30
24
Thermal Shock Resistance, points 35
16

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
16 to 17.5
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0 to 5.0
66.7 to 74.4
Manganese (Mn), % 0 to 0.5
6.0 to 8.0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
3.5 to 5.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.3 to 2.8
0