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EN 1.4518 Stainless Steel vs. EN 1.3518 Steel

Both EN 1.4518 stainless steel and EN 1.3518 steel are iron alloys. They have 68% 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 EN 1.4518 stainless steel and the bottom bar is EN 1.3518 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 490
630

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1000
420
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.5
Embodied Energy, MJ/kg 55
20
Embodied Water, L/kg 160
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0.93 to 1.1
Chromium (Cr), % 18 to 20
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.4 to 70
96.3 to 97.8
Manganese (Mn), % 0 to 1.5
0.9 to 1.2
Molybdenum (Mo), % 3.0 to 3.5
0 to 0.1
Nickel (Ni), % 9.0 to 12
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0.45 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030