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EN 1.5525 Steel vs. EN 1.4017 Stainless Steel

Both EN 1.5525 steel and EN 1.4017 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5525 steel and the bottom bar is EN 1.4017 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
14
Fatigue Strength, MPa 210 to 310
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 310 to 350
350
Tensile Strength: Ultimate (UTS), MPa 440 to 1440
580
Tensile Strength: Yield (Proof), MPa 300 to 490
390

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
31
Embodied Water, L/kg 48
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 240
71
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 640
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 51
21
Strength to Weight: Bending, points 16 to 36
20
Thermal Diffusivity, mm2/s 13
8.1
Thermal Shock Resistance, points 13 to 42
20

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.18 to 0.23
0 to 0.080
Chromium (Cr), % 0 to 0.3
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.7 to 98.9
78.3 to 82.8
Manganese (Mn), % 0.9 to 1.2
0 to 1.0
Nickel (Ni), % 0
1.2 to 1.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015