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EN 1.3955 Stainless Steel vs. EN 1.5507 Steel

Both EN 1.3955 stainless steel and EN 1.5507 steel are iron alloys. They have 71% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 1.5507 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
73
Tensile Strength: Ultimate (UTS), MPa 520
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 140
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
16 to 31
Strength to Weight: Bending, points 18
17 to 26
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 15
13 to 26

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.15
0.21 to 0.25
Chromium (Cr), % 16.5 to 18.5
0.25 to 0.35
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65.5 to 73.5
97.8 to 98.7
Manganese (Mn), % 0 to 2.0
0.8 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 10 to 12
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.060