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AISI 301L Stainless Steel vs. S44537 Stainless Steel

Both AISI 301L stainless steel and S44537 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 33 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 AISI 301L stainless steel and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 50
21
Fatigue Strength, MPa 240 to 530
230
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 440 to 660
320
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
510
Tensile Strength: Yield (Proof), MPa 250 to 790
360

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
530
Maximum Temperature: Mechanical, °C 890
1000
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 39
50
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
95
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 37
18
Strength to Weight: Bending, points 21 to 29
18
Thermal Diffusivity, mm2/s 4.1
5.6
Thermal Shock Resistance, points 14 to 24
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16 to 18
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 70.7 to 78
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 2.0
0 to 0.8
Nickel (Ni), % 6.0 to 8.0
0 to 0.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.2
0 to 0.040
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
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