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Grade VDSiCr Steel vs. Nickel 693

Grade VDSiCr steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade VDSiCr steel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1950
660

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 410
1010
Melting Completion (Liquidus), °C 1440
1350
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 46
9.1
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
60
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.5
9.9
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 48
320

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 70
23
Strength to Weight: Bending, points 45
21
Thermal Diffusivity, mm2/s 12
2.3
Thermal Shock Resistance, points 58
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0.5 to 0.6
0 to 0.15
Chromium (Cr), % 0.5 to 0.8
27 to 31
Copper (Cu), % 0 to 0.060
0 to 0.5
Iron (Fe), % 96.6 to 97.8
2.5 to 6.0
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Nickel (Ni), % 0
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.2 to 1.6
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
0 to 1.0