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EN 1.8522 Steel vs. EN 1.4590 Stainless Steel

Both EN 1.8522 steel and EN 1.4590 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.8522 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
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 730 to 1250
480

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 470
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 39
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
2.5
Embodied Energy, MJ/kg 31
37
Embodied Water, L/kg 63
120

Common Calculations

PREN (Pitting Resistance) 6.2
17
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 44
17
Strength to Weight: Bending, points 23 to 33
18
Thermal Diffusivity, mm2/s 11
7.0
Thermal Shock Resistance, points 21 to 36
17

Alloy Composition

Carbon (C), % 0.29 to 0.36
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
16 to 17.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 93.7 to 96
79.7 to 83.7
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
0.35 to 0.55
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0
0 to 0.15