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EN 1.4031 Stainless Steel vs. Nickel 689

EN 1.4031 stainless steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. 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 1.4031 stainless steel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 13
23
Fatigue Strength, MPa 220 to 400
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Shear Strength, MPa 400 to 540
790
Tensile Strength: Ultimate (UTS), MPa 670 to 900
1250
Tensile Strength: Yield (Proof), MPa 390 to 730
690

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 770
990
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
70
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 1.9
11
Embodied Energy, MJ/kg 27
150
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 94
240
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 32
41
Strength to Weight: Bending, points 22 to 27
30
Thermal Shock Resistance, points 23 to 32
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.36 to 0.42
0.1 to 0.2
Chromium (Cr), % 12.5 to 14.5
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 83 to 87.1
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8