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EN 1.3961 Alloy vs. EN 1.4729 Stainless Steel

Both EN 1.3961 alloy and EN 1.4729 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 16 material properties with values for both materials. Properties with values for just one material (16, 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 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
15
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
75

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 1.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.5
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 4.8
2.1
Embodied Energy, MJ/kg 66
29
Embodied Water, L/kg 110
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25

Alloy Composition

Carbon (C), % 0 to 0.050
0.3 to 0.5
Chromium (Cr), % 0 to 0.25
12 to 14
Iron (Fe), % 60.7 to 65
80.4 to 86.7
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 35 to 37
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.030