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AISI 446 Stainless Steel vs. AISI 301L Stainless Steel

Both AISI 446 stainless steel and AISI 301L stainless steel are iron alloys. They have a moderately high 92% 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 446 stainless steel and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
22 to 50
Fatigue Strength, MPa 200
240 to 530
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 360
440 to 660
Tensile Strength: Ultimate (UTS), MPa 570
620 to 1040
Tensile Strength: Yield (Proof), MPa 300
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1180
890
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.7
Embodied Energy, MJ/kg 35
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 27
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160 to 1580
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
22 to 37
Strength to Weight: Bending, points 20
21 to 29
Thermal Diffusivity, mm2/s 4.6
4.1
Thermal Shock Resistance, points 19
14 to 24

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 23 to 27
16 to 18
Iron (Fe), % 69.2 to 77
70.7 to 78
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 0 to 0.75
6.0 to 8.0
Nitrogen (N), % 0 to 0.25
0 to 0.2
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