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EN 1.4594 Stainless Steel vs. Nickel 689

EN 1.4594 stainless steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 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 EN 1.4594 stainless steel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 490 to 620
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Shear Strength, MPa 620 to 700
790
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
1250
Tensile Strength: Yield (Proof), MPa 810 to 1140
690

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 820
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
70
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 3.2
11
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 130
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 36 to 41
41
Strength to Weight: Bending, points 29 to 31
30
Thermal Shock Resistance, points 34 to 39
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.070
0.1 to 0.2
Chromium (Cr), % 13 to 15
18 to 20
Cobalt (Co), % 0
9.0 to 11
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 72.6 to 79.5
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 1.2 to 2.0
9.0 to 10.5
Nickel (Ni), % 5.0 to 6.0
48.3 to 60.9
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8