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Grade FDSiCrV Steel vs. Nickel 690

Grade FDSiCrV steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. There are 25 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 grade FDSiCrV steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 630
90
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 2100
640 to 990

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 420
1010
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 47
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
50
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 1.9
8.2
Embodied Energy, MJ/kg 26
120
Embodied Water, L/kg 50
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 75
21 to 33
Strength to Weight: Bending, points 47
20 to 27
Thermal Diffusivity, mm2/s 13
3.5
Thermal Shock Resistance, points 63
16 to 25

Alloy Composition

Carbon (C), % 0.5 to 0.7
0 to 0.050
Chromium (Cr), % 0.5 to 1.0
27 to 31
Copper (Cu), % 0 to 0.12
0 to 0.5
Iron (Fe), % 96 to 97.8
7.0 to 11
Manganese (Mn), % 0.4 to 0.9
0 to 0.5
Nickel (Ni), % 0
58 to 66
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.2 to 1.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0.1 to 0.25
0