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EN 1.4903 Stainless Steel vs. Grade VDC Steel

Both EN 1.4903 stainless steel and grade VDC steel are iron alloys. They have 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is grade VDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 670 to 680
1700

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 36
19
Embodied Water, L/kg 88
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
60
Strength to Weight: Bending, points 22
40
Thermal Diffusivity, mm2/s 7.0
14
Thermal Shock Resistance, points 23
50

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0.6 to 0.75
Chromium (Cr), % 8.0 to 9.5
0 to 0.3
Copper (Cu), % 0 to 0.3
0 to 0.060
Iron (Fe), % 87.1 to 90.5
98.3 to 99.35
Manganese (Mn), % 0.3 to 0.6
0.5 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0.15 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.020
Vanadium (V), % 0.18 to 0.25
0