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EN 1.3961 Alloy vs. S30815 Stainless Steel

Both EN 1.3961 alloy and S30815 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
45
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 300
480
Tensile Strength: Ultimate (UTS), MPa 450
680
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 1.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
17
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.3
Embodied Energy, MJ/kg 66
47
Embodied Water, L/kg 110
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
260
Resilience: Unit (Modulus of Resilience), kJ/m3 250
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 16
22
Thermal Shock Resistance, points 130
15

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0 to 0.25
20 to 22
Iron (Fe), % 60.7 to 65
62.8 to 68.4
Manganese (Mn), % 0 to 0.5
0 to 0.8
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
1.4 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.030