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S31260 Stainless Steel vs. EN 1.5418 Steel

Both S31260 stainless steel and EN 1.5418 steel are iron alloys. They have 65% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S31260 stainless steel and the bottom bar is EN 1.5418 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 790
490 to 1780

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 53
19
Embodied Water, L/kg 180
47

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
17 to 63
Strength to Weight: Bending, points 24
18 to 42
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 22
14 to 53

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.4
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0.2 to 0.8
0 to 0.25
Iron (Fe), % 59.6 to 67.6
97.8 to 98.9
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 2.5 to 3.5
0.2 to 0.3
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.1 to 0.5
0