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AISI 384 Stainless Steel vs. S44735 Stainless Steel

Both AISI 384 stainless steel and S44735 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI 384 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
82
Tensile Strength: Ultimate (UTS), MPa 480
630

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
650
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
21
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.7
4.4
Embodied Energy, MJ/kg 52
61
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 16
42
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 15 to 17
28 to 30
Iron (Fe), % 60.9 to 68
60.7 to 68.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 17 to 19
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0