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EN 1.4659 Stainless Steel vs. S82031 Stainless Steel

Both EN 1.4659 stainless steel and S82031 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4659 stainless steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 49
39
Fatigue Strength, MPa 460
490
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 640
540
Tensile Strength: Ultimate (UTS), MPa 900
780
Tensile Strength: Yield (Proof), MPa 480
570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 6.5
2.8
Embodied Energy, MJ/kg 89
39
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 54
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
280
Resilience: Unit (Modulus of Resilience), kJ/m3 550
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
28
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 3.2
3.9
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 23 to 25
19 to 22
Copper (Cu), % 1.0 to 2.0
0 to 1.0
Iron (Fe), % 35.7 to 45.7
68 to 78.3
Manganese (Mn), % 2.0 to 4.0
0 to 2.5
Molybdenum (Mo), % 5.5 to 6.5
0.6 to 1.4
Nickel (Ni), % 21 to 23
2.0 to 4.0
Nitrogen (N), % 0.35 to 0.5
0.14 to 0.24
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.0050
Tungsten (W), % 1.5 to 2.5
0