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S15500 Stainless Steel vs. AISI 384 Stainless Steel

Both S15500 stainless steel and AISI 384 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is AISI 384 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
480

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 820
910
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 39
52
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 15
16
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 53
17
Strength to Weight: Bending, points 26 to 37
17
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 30 to 50
11

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.040
Chromium (Cr), % 14 to 15.5
15 to 17
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
60.9 to 68
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 3.5 to 5.5
17 to 19
Niobium (Nb), % 0.15 to 0.45
0
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