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EN 1.8838 Steel vs. EN 1.4669 Stainless Steel

Both EN 1.8838 steel and EN 1.4669 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8838 steel and the bottom bar is EN 1.4669 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
28
Fatigue Strength, MPa 290
330
Impact Strength: V-Notched Charpy, J 58
110
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Shear Strength, MPa 380
500
Tensile Strength: Ultimate (UTS), MPa 610
780
Tensile Strength: Yield (Proof), MPa 430
450

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
1030
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.6
Embodied Energy, MJ/kg 23
38
Embodied Water, L/kg 50
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
190
Resilience: Unit (Modulus of Resilience), kJ/m3 500
510
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 18
21

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Carbon (C), % 0 to 0.18
0 to 0.045
Chromium (Cr), % 0 to 0.35
21.5 to 24
Copper (Cu), % 0 to 0.6
1.6 to 3.0
Iron (Fe), % 95 to 99.985
65.2 to 74.8
Manganese (Mn), % 0 to 1.8
1.0 to 3.0
Molybdenum (Mo), % 0 to 0.23
0 to 0.5
Nickel (Ni), % 0 to 0.85
1.0 to 3.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0