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EN 1.3961 Alloy vs. EN 1.3551 Steel

Both EN 1.3961 alloy and EN 1.3551 steel 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 1.3961 alloy and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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