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EN 1.3961 Alloy vs. EN 1.7710 Steel

Both EN 1.3961 alloy and EN 1.7710 steel are iron alloys. 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 (10, 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 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
6.8 to 11
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 450
930 to 1070
Tensile Strength: Yield (Proof), MPa 310
800 to 1060

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 1.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.2
Embodied Energy, MJ/kg 66
30
Embodied Water, L/kg 110
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1680 to 2970
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
33 to 38
Strength to Weight: Bending, points 16
27 to 30
Thermal Shock Resistance, points 130
27 to 31

Alloy Composition

Carbon (C), % 0 to 0.050
0.12 to 0.18
Chromium (Cr), % 0 to 0.25
1.3 to 1.8
Iron (Fe), % 60.7 to 65
95.1 to 97
Manganese (Mn), % 0 to 0.5
0.6 to 1.0
Molybdenum (Mo), % 0 to 1.0
0.8 to 1.0
Nickel (Ni), % 35 to 37
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25