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EN 1.3961 Alloy vs. S32750 Stainless Steel

Both EN 1.3961 alloy and S32750 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 24 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 S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 31
17
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
81
Shear Strength, MPa 300
530
Tensile Strength: Ultimate (UTS), MPa 450
860
Tensile Strength: Yield (Proof), MPa 310
590

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
21
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
4.1
Embodied Energy, MJ/kg 66
56
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
860
Stiffness to Weight: Axial, points 13
15
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
25

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
24 to 26
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 60.7 to 65
58.1 to 66.8
Manganese (Mn), % 0 to 0.5
0 to 1.2
Molybdenum (Mo), % 0 to 1.0
3.0 to 5.0
Nickel (Ni), % 35 to 37
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.020