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EN 1.3961 Alloy vs. EN 1.4887 Stainless Steel

Both EN 1.3961 alloy and EN 1.4887 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 (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 1.4887 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
76
Shear Strength, MPa 300
400
Tensile Strength: Ultimate (UTS), MPa 450
580
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
15

Otherwise Unclassified Properties

Base Metal Price, % relative 25
39
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 4.8
6.7
Embodied Energy, MJ/kg 66
96
Embodied Water, L/kg 110
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 250
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
19
Thermal Shock Resistance, points 130
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 0 to 0.25
20 to 23
Iron (Fe), % 60.7 to 65
34.2 to 45
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
1.0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.015