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EN 1.4477 Stainless Steel vs. Nickel 725

EN 1.4477 stainless steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
34
Fatigue Strength, MPa 420 to 490
260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
78
Shear Strength, MPa 550 to 580
580
Tensile Strength: Ultimate (UTS), MPa 880 to 930
860
Tensile Strength: Yield (Proof), MPa 620 to 730
350

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1430
1340
Melting Onset (Solidus), °C 1380
1270
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.7
13
Embodied Energy, MJ/kg 52
190
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
240
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
300
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 33
28
Strength to Weight: Bending, points 26 to 27
24
Thermal Shock Resistance, points 23 to 25
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 28 to 30
19 to 22.5
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
2.3 to 15.3
Manganese (Mn), % 0.8 to 1.5
0 to 0.35
Molybdenum (Mo), % 1.5 to 2.6
7.0 to 9.5
Nickel (Ni), % 5.8 to 7.5
55 to 59
Niobium (Nb), % 0
2.8 to 4.0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.7