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EN 1.4971 Stainless Steel vs. Nickel 690

EN 1.4971 stainless steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. They have 51% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
90
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
3.4 to 34
Fatigue Strength, MPa 270
180 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
79
Shear Strength, MPa 530
420 to 570
Tensile Strength: Ultimate (UTS), MPa 800
640 to 990
Tensile Strength: Yield (Proof), MPa 340
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
50
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 7.6
8.2
Embodied Energy, MJ/kg 110
120
Embodied Water, L/kg 300
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 280
160 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21 to 33
Strength to Weight: Bending, points 23
20 to 27
Thermal Diffusivity, mm2/s 3.4
3.5
Thermal Shock Resistance, points 19
16 to 25

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.050
Chromium (Cr), % 20 to 22.5
27 to 31
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 24.3 to 37.1
7.0 to 11
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
58 to 66
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 2.0 to 3.0
0