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Nickel 690 vs. EN 1.3975 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while EN 1.3975 stainless steel belongs to the iron alloys. They have a modest 35% 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 (7, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4 to 34
27
Fatigue Strength, MPa 180 to 300
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 640 to 990
660
Tensile Strength: Yield (Proof), MPa 250 to 760
320

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Maximum Temperature: Mechanical, °C 1010
910
Melting Completion (Liquidus), °C 1380
1360
Melting Onset (Solidus), °C 1340
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 50
15
Density, g/cm3 8.3
7.5
Embodied Carbon, kg CO2/kg material 8.2
3.3
Embodied Energy, MJ/kg 120
47
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
150
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 21 to 33
24
Strength to Weight: Bending, points 20 to 27
22
Thermal Shock Resistance, points 16 to 25
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 27 to 31
16 to 18
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
58.2 to 65.4
Manganese (Mn), % 0 to 0.5
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 58 to 66
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030