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EN 1.8866 Steel vs. EN 1.4825 Stainless Steel

Both EN 1.8866 steel and EN 1.4825 stainless steel are iron alloys. They have 72% 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 1.8866 steel and the bottom bar is EN 1.4825 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
17
Fatigue Strength, MPa 260
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 540
510
Tensile Strength: Yield (Proof), MPa 350
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.1
Embodied Energy, MJ/kg 21
43
Embodied Water, L/kg 48
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
72
Resilience: Unit (Modulus of Resilience), kJ/m3 330
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 16
12

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.16
0.15 to 0.35
Chromium (Cr), % 0 to 0.3
17 to 19
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.3 to 100
65.6 to 74.4
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.25
0 to 0.5
Nickel (Ni), % 0 to 0.5
8.0 to 10
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0.5 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.060
0
Zirconium (Zr), % 0 to 0.050
0