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EN 1.7216 Steel vs. Nickel 690

EN 1.7216 steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
90
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 23
3.4 to 34
Fatigue Strength, MPa 290 to 440
180 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 410 to 560
420 to 570
Tensile Strength: Ultimate (UTS), MPa 650 to 930
640 to 990
Tensile Strength: Yield (Proof), MPa 400 to 690
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
1010
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.5
8.2
Embodied Energy, MJ/kg 20
120
Embodied Water, L/kg 50
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
21 to 33
Strength to Weight: Bending, points 21 to 27
20 to 27
Thermal Diffusivity, mm2/s 12
3.5
Thermal Shock Resistance, points 19 to 27
16 to 25

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.050
Chromium (Cr), % 0.8 to 1.2
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.2 to 98.4
7.0 to 11
Manganese (Mn), % 0.35 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
58 to 66
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.015

Comparable Variants