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EN 1.4729 Stainless Steel vs. EN 1.3961 Alloy

Both EN 1.4729 stainless steel and EN 1.3961 alloy 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 1.4729 stainless steel and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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