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AISI 304LN Stainless Steel vs. S45500 Stainless Steel

Both AISI 304LN stainless steel and S45500 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 304LN stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 7.8 to 46
3.4 to 11
Fatigue Strength, MPa 200 to 440
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 400 to 680
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 580 to 1160
1370 to 1850
Tensile Strength: Yield (Proof), MPa 230 to 870
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 420
620
Maximum Temperature: Mechanical, °C 960
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.8
Embodied Energy, MJ/kg 44
57
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 21
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 270
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 41
48 to 65
Strength to Weight: Bending, points 20 to 31
35 to 42
Thermal Shock Resistance, points 13 to 26
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 18 to 20
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 65 to 73.9
71.5 to 79.2
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 8.0 to 12
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4

Comparable Variants