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EN 1.3963 Alloy vs. EN 1.7376 Steel

Both EN 1.3963 alloy and EN 1.7376 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 64% of their average alloy composition in common. There are 23 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 1.7376 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 29
20
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 440
710
Tensile Strength: Yield (Proof), MPa 310
460

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
6.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.1
Embodied Energy, MJ/kg 66
29
Embodied Water, L/kg 110
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
560
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 16
23
Thermal Shock Resistance, points 110
20

Alloy Composition

Carbon (C), % 0 to 0.050
0.12 to 0.19
Chromium (Cr), % 0 to 0.25
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 60.5 to 64.9
86.2 to 90.6
Manganese (Mn), % 0 to 0.5
0.35 to 0.65
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.2
Nickel (Ni), % 35 to 37
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.1 to 0.2
0 to 0.030
Vanadium (V), % 0
0 to 0.050