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EN 1.6771 Steel vs. AWS E2553

Both EN 1.6771 steel and AWS E2553 are iron alloys. They have 66% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.6771 steel and the bottom bar is AWS E2553.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.0 to 8.7
17
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 930 to 1180
850

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
16
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.9
4.0
Embodied Energy, MJ/kg 25
56
Embodied Water, L/kg 58
190

Common Calculations

PREN (Pitting Resistance) 2.5
40
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 41
30
Strength to Weight: Bending, points 27 to 31
26
Thermal Diffusivity, mm2/s 13
4.3
Thermal Shock Resistance, points 27 to 35
21

Alloy Composition

Carbon (C), % 0.27 to 0.33
0 to 0.060
Chromium (Cr), % 0.8 to 1.2
24 to 27
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 92.2 to 95
55.2 to 64.5
Manganese (Mn), % 0.6 to 1.0
0.5 to 1.5
Molybdenum (Mo), % 0.3 to 0.6
2.9 to 3.9
Nickel (Ni), % 3.0 to 4.0
6.5 to 8.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030