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S39274 Stainless Steel vs. EN 1.5408 Steel

Both S39274 stainless steel and EN 1.5408 steel are iron alloys. They have 62% of their average alloy composition in common. There are 26 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 S39274 stainless steel and the bottom bar is EN 1.5408 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Reduction in Area, % 34
64 to 69
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 900
460 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
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 2.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 60
19
Embodied Water, L/kg 180
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
16 to 57
Strength to Weight: Bending, points 26
17 to 39
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 25
13 to 48

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.28 to 0.32
Chromium (Cr), % 24 to 26
0 to 0.3
Copper (Cu), % 0.2 to 0.8
0 to 0.25
Iron (Fe), % 57 to 65.6
97.7 to 98.8
Manganese (Mn), % 0 to 1.0
0.8 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0.080 to 0.12
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 1.5 to 2.5
0