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EN 1.4109 Stainless Steel vs. EN 1.3520 Steel

Both EN 1.4109 stainless steel and EN 1.3520 steel are iron alloys. They have 86% 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 1.4109 stainless steel and the bottom bar is EN 1.3520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 770
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 820
430
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
43
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 30
20
Embodied Water, L/kg 110
54

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
22 to 26
Strength to Weight: Bending, points 24
21 to 23
Thermal Diffusivity, mm2/s 8.1
12
Thermal Shock Resistance, points 28
18 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.6 to 0.75
0.93 to 1.1
Chromium (Cr), % 14 to 16
1.4 to 1.7
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 80.7 to 85
95.9 to 97.2
Manganese (Mn), % 0 to 1.0
1.0 to 1.2
Molybdenum (Mo), % 0.4 to 0.8
0 to 0.1
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0.45 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030