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S81921 Stainless Steel vs. AISI 410Cb Stainless Steel

Both S81921 stainless steel and AISI 410Cb stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S81921 stainless steel and the bottom bar is AISI 410Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
15
Fatigue Strength, MPa 370
180 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 460
340 to 590
Tensile Strength: Ultimate (UTS), MPa 710
550 to 960
Tensile Strength: Yield (Proof), MPa 500
310 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 990
730
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.0
Embodied Energy, MJ/kg 41
29
Embodied Water, L/kg 150
97

Common Calculations

PREN (Pitting Resistance) 28
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
70 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 630
240 to 1600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
20 to 35
Strength to Weight: Bending, points 23
19 to 28
Thermal Diffusivity, mm2/s 4.0
7.3
Thermal Shock Resistance, points 20
20 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 19 to 22
11 to 13
Iron (Fe), % 66.7 to 75.9
84.5 to 89
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 2.0 to 4.0
0
Niobium (Nb), % 0
0.050 to 0.3
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030