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AISI 444 Stainless Steel vs. AISI 410S Stainless Steel

Both AISI 444 stainless steel and AISI 410S stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% of their average alloy composition in common. There are 34 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 AISI 444 stainless steel and the bottom bar is AISI 410S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
25
Fatigue Strength, MPa 210
180
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 83
78
Shear Modulus, GPa 78
76
Shear Strength, MPa 300
310
Tensile Strength: Ultimate (UTS), MPa 470
480
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 580
390
Maximum Temperature: Mechanical, °C 930
740
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
30
Thermal Expansion, µm/m-K 10
11

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 15
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
1.9
Embodied Energy, MJ/kg 47
27
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
100
Resilience: Unit (Modulus of Resilience), kJ/m3 240
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 6.2
8.1
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.080
Chromium (Cr), % 17.5 to 19.5
11.5 to 13.5
Iron (Fe), % 73.3 to 80.8
83.8 to 88.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.6
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
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
Titanium (Ti), % 0.2 to 0.8
0