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ASTM A182 Grade F3VCb vs. S21900 Stainless Steel

Both ASTM A182 grade F3VCb and S21900 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F3VCb and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
50
Fatigue Strength, MPa 320
380
Poisson's Ratio 0.29
0.28
Reduction in Area, % 50
57
Shear Modulus, GPa 74
78
Shear Strength, MPa 420
510
Tensile Strength: Ultimate (UTS), MPa 670
710
Tensile Strength: Yield (Proof), MPa 460
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 470
980
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.0
Embodied Energy, MJ/kg 33
43
Embodied Water, L/kg 64
160

Common Calculations

PREN (Pitting Resistance) 6.3
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
300
Resilience: Unit (Modulus of Resilience), kJ/m3 570
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 19
15

Alloy Composition

Calcium (Ca), % 0.00050 to 0.015
0
Carbon (C), % 0.1 to 0.15
0 to 0.080
Chromium (Cr), % 2.7 to 3.3
19 to 21.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
59.4 to 67.4
Manganese (Mn), % 0.3 to 0.6
8.0 to 10
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
5.5 to 7.5
Niobium (Nb), % 0.015 to 0.070
0
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.015
0
Vanadium (V), % 0.2 to 0.3
0