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EN 1.8819 Steel vs. EN 1.4317 Stainless Steel

Both EN 1.8819 steel and EN 1.4317 stainless steel are iron alloys. They have 83% 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 1.8819 steel and the bottom bar is EN 1.4317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
17
Fatigue Strength, MPa 200
380
Impact Strength: V-Notched Charpy, J 49
56
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 440
860
Tensile Strength: Yield (Proof), MPa 270
630

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
770
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 48
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.4
Embodied Energy, MJ/kg 21
33
Embodied Water, L/kg 49
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1010
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
31
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 13
7.0
Thermal Shock Resistance, points 13
30

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0
Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 0 to 0.35
12 to 13.5
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.9 to 99.985
78.7 to 84.5
Manganese (Mn), % 0 to 1.6
0 to 1.0
Molybdenum (Mo), % 0 to 0.13
0 to 0.7
Nickel (Ni), % 0 to 0.35
3.5 to 5.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.1
0