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EN 1.8818 Steel vs. EN 1.4913 Stainless Steel

Both EN 1.8818 steel and EN 1.4913 stainless steel are iron alloys. They have 88% 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 1.8818 steel and the bottom bar is EN 1.4913 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
14 to 22
Fatigue Strength, MPa 200
320 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 280
550 to 590
Tensile Strength: Ultimate (UTS), MPa 440
870 to 980
Tensile Strength: Yield (Proof), MPa 270
480 to 850

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
700
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
24
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
9.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.9
Embodied Energy, MJ/kg 21
41
Embodied Water, L/kg 49
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 200
600 to 1860
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
31 to 35
Strength to Weight: Bending, points 16
26 to 28
Thermal Diffusivity, mm2/s 13
6.5
Thermal Shock Resistance, points 13
31 to 34

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0 to 0.020
Boron (B), % 0
0 to 0.0015
Carbon (C), % 0 to 0.15
0.17 to 0.23
Chromium (Cr), % 0 to 0.35
10 to 11.5
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.9 to 99.985
84.5 to 88.3
Manganese (Mn), % 0 to 1.6
0.4 to 0.9
Molybdenum (Mo), % 0 to 0.13
0.5 to 0.8
Nickel (Ni), % 0 to 0.35
0.2 to 0.6
Niobium (Nb), % 0 to 0.060
0.25 to 0.55
Nitrogen (N), % 0 to 0.017
0.050 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.55
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.1
0.1 to 0.3