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AISI 446 Stainless Steel vs. AISI 310 Stainless Steel

Both AISI 446 stainless steel and AISI 310 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 34 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 AISI 446 stainless steel and the bottom bar is AISI 310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
34 to 45
Fatigue Strength, MPa 200
240 to 280
Poisson's Ratio 0.27
0.27
Rockwell B Hardness 84
82
Shear Modulus, GPa 79
78
Shear Strength, MPa 360
420 to 470
Tensile Strength: Ultimate (UTS), MPa 570
600 to 710
Tensile Strength: Yield (Proof), MPa 300
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1180
1040
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
4.3
Embodied Energy, MJ/kg 35
61
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 27
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 230
170 to 310
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
21 to 25
Strength to Weight: Bending, points 20
20 to 22
Thermal Diffusivity, mm2/s 4.6
3.9
Thermal Shock Resistance, points 19
14 to 17

Alloy Composition

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