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S32304 Stainless Steel vs. AISI 304LN Stainless Steel

Both S32304 stainless steel and AISI 304LN stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 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 S32304 stainless steel and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
7.8 to 46
Fatigue Strength, MPa 330
200 to 440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 440
400 to 680
Tensile Strength: Ultimate (UTS), MPa 670
580 to 1160
Tensile Strength: Yield (Proof), MPa 460
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1050
960
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 40
44
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 520
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
21 to 41
Strength to Weight: Bending, points 22
20 to 31
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 18
13 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 21.5 to 24.5
18 to 20
Copper (Cu), % 0.050 to 0.6
0
Iron (Fe), % 65 to 75.4
65 to 73.9
Manganese (Mn), % 0 to 2.5
0 to 2.0
Molybdenum (Mo), % 0.050 to 0.6
0
Nickel (Ni), % 3.0 to 5.5
8.0 to 12
Nitrogen (N), % 0.050 to 0.2
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030