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AISI 310S Stainless Steel vs. AISI 446 Stainless Steel

Both AISI 310S stainless steel and AISI 446 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 44
23
Fatigue Strength, MPa 250 to 280
200
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
79
Shear Strength, MPa 420 to 470
360
Tensile Strength: Ultimate (UTS), MPa 600 to 710
570
Tensile Strength: Yield (Proof), MPa 270 to 350
300

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1180
Melting Completion (Liquidus), °C 1450
1510
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.4
Embodied Energy, MJ/kg 61
35
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 25
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 21 to 25
21
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 4.1
4.6
Thermal Shock Resistance, points 14 to 16
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 24 to 26
23 to 27
Iron (Fe), % 48.3 to 57
69.2 to 77
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 19 to 22
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030