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EN 1.8201 Steel vs. AWS ER90S-B3

Both EN 1.8201 steel and AWS ER90S-B3 are iron alloys. They have a very high 98% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 ER90S-B3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 630
690
Tensile Strength: Yield (Proof), MPa 450
620

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.8
Embodied Energy, MJ/kg 36
24
Embodied Water, L/kg 59
60

Common Calculations

PREN (Pitting Resistance) 5.7
6.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 530
1000
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0.070 to 0.12
Chromium (Cr), % 1.9 to 2.6
2.3 to 2.7
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 93.6 to 96.2
93.5 to 95.9
Manganese (Mn), % 0.1 to 0.6
0.4 to 0.7
Molybdenum (Mo), % 0.050 to 0.3
0.9 to 1.2
Nickel (Ni), % 0
0 to 0.2
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.4 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0
Residuals, % 0
0 to 0.5