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S44535 Stainless Steel vs. AISI 347LN Stainless Steel

Both S44535 stainless steel and AISI 347LN stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common. There are 34 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 S44535 stainless steel and the bottom bar is AISI 347LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 210
200
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 77
79
Shear Modulus, GPa 78
77
Shear Strength, MPa 290
400
Tensile Strength: Ultimate (UTS), MPa 450
590
Tensile Strength: Yield (Proof), MPa 290
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1000
940
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.5
Embodied Energy, MJ/kg 34
49
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 22
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 200
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 5.6
4.1
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.030
0.0050 to 0.020
Chromium (Cr), % 20 to 24
17 to 19
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 73.2 to 79.6
64.3 to 73.7
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0.3 to 0.8
0 to 2.0
Nickel (Ni), % 0
9.0 to 13
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0.060 to 0.1
Phosphorus (P), % 0 to 0.050
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.030 to 0.2
0