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EN 1.4347 Stainless Steel vs. EN 1.5535 Steel

Both EN 1.4347 stainless steel and EN 1.5535 steel are iron alloys. They have 67% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4347 stainless steel and the bottom bar is EN 1.5535 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
11 to 22
Fatigue Strength, MPa 320
210 to 320
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 660
450 to 1490
Tensile Strength: Yield (Proof), MPa 480
300 to 500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 170
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
45 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 570
240 to 680
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
16 to 53
Strength to Weight: Bending, points 22
17 to 37
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 19
13 to 44

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.050
0.2 to 0.25
Chromium (Cr), % 25 to 27
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.2 to 69.4
97.6 to 98.9
Manganese (Mn), % 0 to 1.5
0.9 to 1.2
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.025