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EN 1.3963 Alloy vs. EN 1.7378 Steel

Both EN 1.3963 alloy and EN 1.7378 steel are iron alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 29
17
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
74
Shear Strength, MPa 290
430
Tensile Strength: Ultimate (UTS), MPa 440
700
Tensile Strength: Yield (Proof), MPa 310
490

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.3
Embodied Energy, MJ/kg 66
33
Embodied Water, L/kg 110
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 16
22
Thermal Shock Resistance, points 110
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0 to 0.050
0.050 to 0.1
Chromium (Cr), % 0 to 0.25
2.2 to 2.6
Iron (Fe), % 60.5 to 64.9
94.6 to 96.1
Manganese (Mn), % 0 to 0.5
0.3 to 0.7
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.1
Nickel (Ni), % 35 to 37
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0.15 to 0.45
Sulfur (S), % 0.1 to 0.2
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3