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EN 1.8825 Steel vs. EN 1.4518 Stainless Steel

Both EN 1.8825 steel and EN 1.4518 stainless steel are iron alloys. They have 67% 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 1.8825 steel and the bottom bar is EN 1.4518 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 290
160
Impact Strength: V-Notched Charpy, J 58
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 570
490
Tensile Strength: Yield (Proof), MPa 420
210

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
4.0
Embodied Energy, MJ/kg 23
55
Embodied Water, L/kg 50
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 460
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0 to 0.35
18 to 20
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.1 to 99.985
61.4 to 70
Manganese (Mn), % 0 to 1.8
0 to 1.5
Molybdenum (Mo), % 0 to 0.23
3.0 to 3.5
Nickel (Ni), % 0 to 0.85
9.0 to 12
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.55
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0