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EN 1.3961 Alloy vs. EN 1.4640 Stainless Steel

Both EN 1.3961 alloy and EN 1.4640 stainless steel are iron alloys. They have 70% 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 1.3961 alloy and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
51
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 300
440 to 460
Tensile Strength: Ultimate (UTS), MPa 450
620 to 650
Tensile Strength: Yield (Proof), MPa 310
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
14
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 66
40
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 250
150 to 170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
22 to 23
Strength to Weight: Bending, points 16
21
Thermal Shock Resistance, points 130
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.050
0.030 to 0.080
Chromium (Cr), % 0 to 0.25
18 to 19
Copper (Cu), % 0
1.3 to 2.0
Iron (Fe), % 60.7 to 65
67.4 to 73.6
Manganese (Mn), % 0 to 0.5
1.5 to 4.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015