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Grade VDSiCr Steel vs. EN 1.4658 Stainless Steel

Both grade VDSiCr steel and EN 1.4658 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade VDSiCr steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 1950
900

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 46
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.5
Embodied Energy, MJ/kg 20
61
Embodied Water, L/kg 48
200

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 70
32
Strength to Weight: Bending, points 45
26
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 58
24

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.030
Chromium (Cr), % 0.5 to 0.8
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0 to 0.060
0 to 1.0
Iron (Fe), % 96.6 to 97.8
50.9 to 63.7
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 1.2 to 1.6
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010