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EN 1.4515 Stainless Steel vs. EN 1.3558 Steel

Both EN 1.4515 stainless steel and EN 1.3558 steel are iron alloys. They have 67% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4515 stainless steel and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 730
770

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1100
490
Melting Completion (Liquidus), °C 1440
1810
Melting Onset (Solidus), °C 1390
1760
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 16
20
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
45
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 3.8
8.4
Embodied Energy, MJ/kg 53
130
Embodied Water, L/kg 180
90

Common Calculations

PREN (Pitting Resistance) 38
35
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.3
5.3
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.030
0.7 to 0.8
Chromium (Cr), % 24.5 to 26.5
3.9 to 4.3
Copper (Cu), % 0.8 to 1.3
0 to 0.3
Iron (Fe), % 58.4 to 66.6
73.7 to 77.6
Manganese (Mn), % 0 to 2.0
0 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.6
Nickel (Ni), % 5.5 to 7.0
0
Nitrogen (N), % 0.12 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3