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EN 1.4325 Stainless Steel vs. EN 1.8522 Steel

Both EN 1.4325 stainless steel and EN 1.8522 steel are iron alloys. They have 75% of their average alloy composition in common. There are 26 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 1.4325 stainless steel and the bottom bar is EN 1.8522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 380
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 650
730 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 930
470
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 16
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.2
Embodied Energy, MJ/kg 42
31
Embodied Water, L/kg 140
63

Common Calculations

PREN (Pitting Resistance) 18
6.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
26 to 44
Strength to Weight: Bending, points 21
23 to 33
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 15
21 to 36

Alloy Composition

Carbon (C), % 0.030 to 0.15
0.29 to 0.36
Chromium (Cr), % 17 to 19
2.8 to 3.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 67.8 to 75
93.7 to 96
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 8.0 to 10
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25