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AISI 301L Stainless Steel vs. S33425 Stainless Steel

Both AISI 301L stainless steel and S33425 stainless steel are iron alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is AISI 301L stainless steel and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 50
45
Fatigue Strength, MPa 240 to 530
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 440 to 660
400
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
580
Tensile Strength: Yield (Proof), MPa 250 to 790
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
27
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 39
71
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 19
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
210
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 37
20
Strength to Weight: Bending, points 21 to 29
19
Thermal Diffusivity, mm2/s 4.1
3.7
Thermal Shock Resistance, points 14 to 24
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 18
21 to 23
Iron (Fe), % 70.7 to 78
47.2 to 56.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 6.0 to 8.0
20 to 23
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6