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S82121 Stainless Steel vs. Grade VDCrV Steel

Both S82121 stainless steel and grade VDCrV 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 (10, in this case) are not shown.

For each property being compared, the top bar is S82121 stainless steel and the bottom bar is grade VDCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
520
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 730
1730

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1020
410
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.9
Embodied Energy, MJ/kg 40
26
Embodied Water, L/kg 150
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
61
Strength to Weight: Bending, points 23
41
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 20
51

Alloy Composition

Carbon (C), % 0 to 0.035
0.62 to 0.72
Chromium (Cr), % 21 to 23
0.4 to 0.6
Copper (Cu), % 0.2 to 1.2
0 to 0.060
Iron (Fe), % 66.7 to 75.4
97.8 to 98.8
Manganese (Mn), % 1.0 to 2.5
0.5 to 0.9
Molybdenum (Mo), % 0.3 to 1.3
0
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.020
Vanadium (V), % 0
0.15 to 0.25