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EN 1.5508 Steel vs. EN 1.4590 Stainless Steel

Both EN 1.5508 steel and EN 1.4590 stainless steel are iron alloys. They have 83% 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 1.5508 steel and the bottom bar is EN 1.4590 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 20
26
Fatigue Strength, MPa 210 to 320
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300 to 360
310
Tensile Strength: Ultimate (UTS), MPa 420 to 1460
480
Tensile Strength: Yield (Proof), MPa 310 to 490
270

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
860
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 19
37
Embodied Water, L/kg 47
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 640
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 52
17
Strength to Weight: Bending, points 16 to 36
18
Thermal Diffusivity, mm2/s 14
7.0
Thermal Shock Resistance, points 12 to 43
17

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0 to 0.030
Chromium (Cr), % 0 to 0.3
16 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.9 to 99.199
79.7 to 83.7
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Niobium (Nb), % 0
0.35 to 0.55
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
Zirconium (Zr), % 0
0 to 0.15