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S39277 Stainless Steel vs. AISI 301 Stainless Steel

Both S39277 stainless steel and AISI 301 stainless steel are iron alloys. They have 85% 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 S39277 stainless steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
7.4 to 46
Fatigue Strength, MPa 480
210 to 600
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 600
410 to 860
Tensile Strength: Ultimate (UTS), MPa 930
590 to 1460
Tensile Strength: Yield (Proof), MPa 660
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 43
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
21 to 52
Strength to Weight: Bending, points 27
20 to 37
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 26
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.15
Chromium (Cr), % 24 to 26
16 to 18
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
70.7 to 78
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.5 to 8.0
6.0 to 8.0
Nitrogen (N), % 0.23 to 0.33
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0020
0 to 0.030
Tungsten (W), % 0.8 to 1.2
0