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Nickel 689 vs. EN 1.4742 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4742 stainless steel belongs to the iron alloys. They have a modest 22% 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 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 420
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
370
Tensile Strength: Ultimate (UTS), MPa 1250
600
Tensile Strength: Yield (Proof), MPa 690
300

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
1000
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 450
490
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.0
Density, g/cm3 8.5
7.6
Embodied Carbon, kg CO2/kg material 11
2.2
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 330
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
22
Strength to Weight: Bending, points 30
21
Thermal Shock Resistance, points 35
21

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0.7 to 1.2
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0 to 0.12
Chromium (Cr), % 18 to 20
17 to 19
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
77.2 to 81.6
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
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0.7 to 1.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.3 to 2.8
0