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EN 1.3961 Alloy vs. EN 1.4347 Stainless Steel

Both EN 1.3961 alloy and EN 1.4347 stainless steel are iron alloys. They have 70% 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 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
23
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 450
660
Tensile Strength: Yield (Proof), MPa 310
480

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 1.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
16
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.1
Embodied Energy, MJ/kg 66
44
Embodied Water, L/kg 110
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 250
570
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
24
Strength to Weight: Bending, points 16
22
Thermal Shock Resistance, points 130
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 0 to 0.25
25 to 27
Iron (Fe), % 60.7 to 65
62.2 to 69.4
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.020