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EN 1.3955 Stainless Steel vs. EN 1.3520 Steel

Both EN 1.3955 stainless steel and EN 1.3520 steel are iron alloys. They have 73% 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 1.3955 stainless steel and the bottom bar is EN 1.3520 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 77
72
Tensile Strength: Ultimate (UTS), MPa 520
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 930
430
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 140
54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22 to 26
Strength to Weight: Bending, points 18
21 to 23
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 15
18 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.15
0.93 to 1.1
Chromium (Cr), % 16.5 to 18.5
1.4 to 1.7
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 65.5 to 73.5
95.9 to 97.2
Manganese (Mn), % 0 to 2.0
1.0 to 1.2
Molybdenum (Mo), % 0 to 0.75
0 to 0.1
Nickel (Ni), % 10 to 12
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.45 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030