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AISI 410Cb Stainless Steel vs. S21900 Stainless Steel

Both AISI 410Cb stainless steel and S21900 stainless steel are iron alloys. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is AISI 410Cb stainless steel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15
50
Fatigue Strength, MPa 180 to 460
380
Poisson's Ratio 0.28
0.28
Reduction in Area, % 50 to 51
57
Shear Modulus, GPa 76
78
Shear Strength, MPa 340 to 590
510
Tensile Strength: Ultimate (UTS), MPa 550 to 960
710
Tensile Strength: Yield (Proof), MPa 310 to 790
390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 730
980
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
14
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.0
Embodied Energy, MJ/kg 29
43
Embodied Water, L/kg 97
160

Common Calculations

PREN (Pitting Resistance) 12
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 130
300
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 1600
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 35
26
Strength to Weight: Bending, points 19 to 28
23
Thermal Diffusivity, mm2/s 7.3
3.8
Thermal Shock Resistance, points 20 to 35
15

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.080
Chromium (Cr), % 11 to 13
19 to 21.5
Iron (Fe), % 84.5 to 89
59.4 to 67.4
Manganese (Mn), % 0 to 1.0
8.0 to 10
Nickel (Ni), % 0
5.5 to 7.5
Niobium (Nb), % 0.050 to 0.3
0
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030