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AISI 429 Stainless Steel vs. Grade VDC Steel

Both AISI 429 stainless steel and grade VDC steel are iron alloys. They have 85% of their average alloy composition in common. There are 26 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 AISI 429 stainless steel and the bottom bar is grade VDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
510
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 50
50
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 480
1700

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 810
400
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 110
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
60
Strength to Weight: Bending, points 18
40
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 17
50

Alloy Composition

Carbon (C), % 0 to 0.12
0.6 to 0.75
Chromium (Cr), % 14 to 16
0 to 0.3
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 81.8 to 86
98.3 to 99.35
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.020