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EN 1.3955 Stainless Steel vs. S31260 Stainless Steel

Both EN 1.3955 stainless steel and S31260 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 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 1.3955 stainless steel and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 150
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 520
790
Tensile Strength: Yield (Proof), MPa 220
540

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
3.9
Embodied Energy, MJ/kg 45
53
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
160
Resilience: Unit (Modulus of Resilience), kJ/m3 130
720
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.1
4.3
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 65.5 to 73.5
59.6 to 67.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
2.5 to 3.5
Nickel (Ni), % 10 to 12
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.1 to 0.5