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EN 1.7380 Steel vs. EN 1.3961 Alloy

Both EN 1.7380 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 (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7380 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, % 19 to 20
31
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
72
Shear Strength, MPa 330 to 350
300
Tensile Strength: Ultimate (UTS), MPa 540 to 550
450
Tensile Strength: Yield (Proof), MPa 290 to 330
310

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.8
4.8
Embodied Energy, MJ/kg 23
66
Embodied Water, L/kg 59
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
130
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19 to 20
15
Strength to Weight: Bending, points 19
16
Thermal Shock Resistance, points 15 to 16
130

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.050
Chromium (Cr), % 2.0 to 2.5
0 to 0.25
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
60.7 to 65
Manganese (Mn), % 0.4 to 0.8
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
0 to 1.0
Nickel (Ni), % 0
35 to 37
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.020