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EN 1.5918 Steel vs. N08320 Stainless Steel

Both EN 1.5918 steel and N08320 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 25 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 EN 1.5918 steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 530 to 1390
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.6
4.9
Embodied Energy, MJ/kg 21
69
Embodied Water, L/kg 56
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19 to 49
20
Strength to Weight: Bending, points 18 to 35
20
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 15 to 41
13

Alloy Composition

Carbon (C), % 0.14 to 0.2
0 to 0.050
Chromium (Cr), % 1.4 to 1.7
21 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.9 to 96.6
40.4 to 50
Manganese (Mn), % 0.5 to 0.9
0 to 2.5
Nickel (Ni), % 1.4 to 1.7
25 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030