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EN 1.8201 Steel vs. AWS E318

Both EN 1.8201 steel and AWS E318 are iron alloys. They have 67% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.8201 steel and the bottom bar is AWS E318.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
29
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 630
620

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1500
1440
Melting Onset (Solidus), °C 1450
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.4
Embodied Energy, MJ/kg 36
62
Embodied Water, L/kg 59
160

Common Calculations

PREN (Pitting Resistance) 5.7
27
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 1.9 to 2.6
17 to 20
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 93.6 to 96.2
57.6 to 69.5
Manganese (Mn), % 0.1 to 0.6
0.5 to 2.5
Molybdenum (Mo), % 0.050 to 0.3
2.0 to 3.0
Nickel (Ni), % 0
11 to 14
Niobium (Nb), % 0.020 to 0.080
0 to 1.0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0