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EN 1.8550 Steel vs. AWS ERNiCrMo-4

EN 1.8550 steel belongs to the iron alloys classification, while AWS ERNiCrMo-4 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.8550 steel and the bottom bar is AWS ERNiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 11
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 1000
790

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1450
1590
Melting Onset (Solidus), °C 1410
1530
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
70
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.7
13
Embodied Energy, MJ/kg 23
170
Embodied Water, L/kg 67
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 36
24
Strength to Weight: Bending, points 29
21
Thermal Shock Resistance, points 29
22

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.020
Chromium (Cr), % 1.5 to 1.8
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 94.4 to 96.3
4.0 to 7.0
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
15 to 17
Nickel (Ni), % 0.85 to 1.2
50 to 63.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.080
Sulfur (S), % 0 to 0.035
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5