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EN 1.4658 Stainless Steel vs. Grade VDSiCr Steel

Both EN 1.4658 stainless steel and grade VDSiCr 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 EN 1.4658 stainless steel and the bottom bar is grade VDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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