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AISI 301L Stainless Steel vs. AISI 304N Stainless Steel

Both AISI 301L stainless steel and AISI 304N stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is AISI 301L stainless steel and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
190 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 50
9.1 to 45
Fatigue Strength, MPa 240 to 530
220 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 440 to 660
420 to 700
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
620 to 1180
Tensile Strength: Yield (Proof), MPa 250 to 790
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 890
960
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
180 to 1830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 37
22 to 42
Strength to Weight: Bending, points 21 to 29
21 to 32
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 14 to 24
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 18
18 to 20
Iron (Fe), % 70.7 to 78
66.4 to 73.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 6.0 to 8.0
8.0 to 10.5
Nitrogen (N), % 0 to 0.2
0.1 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants