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EN 1.4317 Stainless Steel vs. EN 1.3505 Steel

Both EN 1.4317 stainless steel and EN 1.3505 steel are iron alloys. They have 84% 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 1.4317 stainless steel and the bottom bar is EN 1.3505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 860
600 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
430
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.5
Embodied Energy, MJ/kg 33
20
Embodied Water, L/kg 110
52

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
22 to 25
Strength to Weight: Bending, points 26
20 to 22
Thermal Diffusivity, mm2/s 7.0
12
Thermal Shock Resistance, points 30
18 to 20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.060
0.93 to 1.1
Chromium (Cr), % 12 to 13.5
1.4 to 1.6
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78.7 to 84.5
97.1 to 98.3
Manganese (Mn), % 0 to 1.0
0.25 to 0.45
Molybdenum (Mo), % 0 to 0.7
0 to 0.1
Nickel (Ni), % 3.5 to 5.0
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.030