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EN 1.1170 Steel vs. EN 1.3961 Alloy

Both EN 1.1170 steel and EN 1.3961 alloy 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.1170 steel and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
31
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
72
Shear Strength, MPa 390 to 450
300
Tensile Strength: Ultimate (UTS), MPa 640 to 730
450
Tensile Strength: Yield (Proof), MPa 330 to 500
310

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 12
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5
4.8
Embodied Energy, MJ/kg 19
66
Embodied Water, L/kg 49
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 26
15
Strength to Weight: Bending, points 21 to 23
16
Thermal Shock Resistance, points 20 to 23
130

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.050
Chromium (Cr), % 0 to 0.4
0 to 0.25
Iron (Fe), % 96.7 to 98.5
60.7 to 65
Manganese (Mn), % 1.3 to 1.7
0 to 0.5
Molybdenum (Mo), % 0 to 0.1
0 to 1.0
Nickel (Ni), % 0 to 0.4
35 to 37
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.020