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EN 1.7706 Steel vs. Nickel 690

EN 1.7706 steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7706 steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
90
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
3.4 to 34
Fatigue Strength, MPa 330
180 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 690
640 to 990
Tensile Strength: Yield (Proof), MPa 500
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 440
1010
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
50
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 2.3
8.2
Embodied Energy, MJ/kg 32
120
Embodied Water, L/kg 57
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 670
160 to 1440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
21 to 33
Strength to Weight: Bending, points 22
20 to 27
Thermal Diffusivity, mm2/s 11
3.5
Thermal Shock Resistance, points 20
16 to 25

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.050
Chromium (Cr), % 1.2 to 1.5
27 to 31
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 94.7 to 97.1
7.0 to 11
Manganese (Mn), % 0.5 to 0.9
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.4
58 to 66
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0.2 to 0.3
0