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Nickel 725 vs. AISI 310H Stainless Steel

Nickel 725 belongs to the nickel alloys classification, while AISI 310H stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 725 and the bottom bar is AISI 310H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 260
200
Poisson's Ratio 0.29
0.27
Reduction in Area, % 45
51
Shear Modulus, GPa 78
79
Shear Strength, MPa 580
400
Tensile Strength: Ultimate (UTS), MPa 860
580
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1340
1410
Melting Onset (Solidus), °C 1270
1360
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 75
25
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 13
4.3
Embodied Energy, MJ/kg 190
61
Embodied Water, L/kg 270
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
190
Resilience: Unit (Modulus of Resilience), kJ/m3 300
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Shock Resistance, points 23
13

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 19 to 22.5
24 to 26
Iron (Fe), % 2.3 to 15.3
49.1 to 57
Manganese (Mn), % 0 to 0.35
0 to 2.0
Molybdenum (Mo), % 7.0 to 9.5
0
Nickel (Ni), % 55 to 59
19 to 22
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.0 to 1.7
0