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EN 1.3963 Alloy vs. EN 1.8888 Steel

Both EN 1.3963 alloy and EN 1.8888 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 65% 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 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 29
16
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 290
510
Tensile Strength: Ultimate (UTS), MPa 440
830
Tensile Strength: Yield (Proof), MPa 310
720

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.7
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.9
Embodied Energy, MJ/kg 66
26
Embodied Water, L/kg 110
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
29
Strength to Weight: Bending, points 16
25
Thermal Shock Resistance, points 110
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 0 to 0.25
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 60.5 to 64.9
91.9 to 100
Manganese (Mn), % 0 to 0.5
0 to 1.7
Molybdenum (Mo), % 0 to 1.0
0 to 0.7
Nickel (Ni), % 35 to 37
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0.1 to 0.2
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15