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S39277 Stainless Steel vs. S31060 Stainless Steel

Both S39277 stainless steel and S31060 stainless steel are iron alloys. Both are furnished in the annealed condition. 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 (2, in this case) are not shown.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
46
Fatigue Strength, MPa 480
290
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 600
480
Tensile Strength: Ultimate (UTS), MPa 930
680
Tensile Strength: Yield (Proof), MPa 660
310

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1080
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 59
48
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 43
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
260
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
24
Strength to Weight: Bending, points 27
22
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 26
15

Alloy Composition

Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.025
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 24 to 26
22 to 24
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.5 to 8.0
10 to 12.5
Nitrogen (N), % 0.23 to 0.33
0.18 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0020
0 to 0.030
Tungsten (W), % 0.8 to 1.2
0