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Grade VDSiCr Steel vs. EN 1.4749 Stainless Steel

Both grade VDSiCr steel and EN 1.4749 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade VDSiCr steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 590
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 1950
600

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 46
17
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
13
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.5
Embodied Energy, MJ/kg 20
36
Embodied Water, L/kg 48
160

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 70
22
Strength to Weight: Bending, points 45
21
Thermal Diffusivity, mm2/s 12
4.6
Thermal Shock Resistance, points 58
22

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.15 to 0.2
Chromium (Cr), % 0.5 to 0.8
26 to 29
Copper (Cu), % 0 to 0.060
0
Iron (Fe), % 96.6 to 97.8
68.5 to 73.7
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.2 to 1.6
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015