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EN 1.3961 Alloy vs. EN 1.4317 Stainless Steel

Both EN 1.3961 alloy and EN 1.4317 stainless steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 68% 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 1.4317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
17
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 450
860
Tensile Strength: Yield (Proof), MPa 310
630

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
10
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.4
Embodied Energy, MJ/kg 66
33
Embodied Water, L/kg 110
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1010
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
31
Strength to Weight: Bending, points 16
26
Thermal Shock Resistance, points 130
30

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 0 to 0.25
12 to 13.5
Iron (Fe), % 60.7 to 65
78.7 to 84.5
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0 to 0.7
Nickel (Ni), % 35 to 37
3.5 to 5.0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.025