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EN 1.3961 Alloy vs. EN 1.8958 Steel

Both EN 1.3961 alloy and EN 1.8958 steel 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 1.3961 alloy and the bottom bar is EN 1.8958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
19
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 300
270
Tensile Strength: Ultimate (UTS), MPa 450
430
Tensile Strength: Yield (Proof), MPa 310
220

Thermal Properties

Latent Heat of Fusion, J/g 270
250
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 1.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.4
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.5
Embodied Energy, MJ/kg 66
19
Embodied Water, L/kg 110
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
70
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
15
Strength to Weight: Bending, points 16
16
Thermal Shock Resistance, points 130
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.16
Chromium (Cr), % 0 to 0.25
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 60.7 to 65
96.5 to 99.3
Manganese (Mn), % 0 to 0.5
0.15 to 0.7
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
0 to 0.7
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.45
Sulfur (S), % 0 to 0.020
0 to 0.040