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EN 1.3551 Steel vs. EN 1.3961 Alloy

Both EN 1.3551 steel and EN 1.3961 alloy are iron alloys. They have 64% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 720
450

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1490
1430
Melting Onset (Solidus), °C 1450
1390
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 13
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.9
4.8
Embodied Energy, MJ/kg 71
66
Embodied Water, L/kg 82
110

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
15
Strength to Weight: Bending, points 23
16
Thermal Shock Resistance, points 21
130

Alloy Composition

Carbon (C), % 0.77 to 0.85
0 to 0.050
Chromium (Cr), % 3.9 to 4.3
0 to 0.25
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
60.7 to 65
Manganese (Mn), % 0.15 to 0.35
0 to 0.5
Molybdenum (Mo), % 4.0 to 4.5
0 to 1.0
Nickel (Ni), % 0
35 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0