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AISI 347 Stainless Steel vs. S44537 Stainless Steel

Both AISI 347 stainless steel and S44537 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 347 stainless steel and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 46
21
Fatigue Strength, MPa 220 to 270
230
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 430 to 460
320
Tensile Strength: Ultimate (UTS), MPa 610 to 690
510
Tensile Strength: Yield (Proof), MPa 240 to 350
360

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 480
530
Maximum Temperature: Mechanical, °C 870
1000
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.4
Embodied Energy, MJ/kg 52
50
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 18
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
95
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
18
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 4.3
5.6
Thermal Shock Resistance, points 13 to 15
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 64.1 to 74
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 2.0
0 to 0.8
Nickel (Ni), % 9.0 to 13
0 to 0.5
Niobium (Nb), % 0 to 1.0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 0.75
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0