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Nickel 625 vs. ASTM Grade LC9 Steel

Nickel 625 belongs to the nickel alloys classification, while ASTM grade LC9 steel belongs to the iron alloys. There are 27 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 625 and the bottom bar is ASTM grade LC9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
22
Fatigue Strength, MPa 240 to 320
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 790 to 910
660
Tensile Strength: Yield (Proof), MPa 320 to 450
590

Thermal Properties

Latent Heat of Fusion, J/g 330
260
Maximum Temperature: Mechanical, °C 980
430
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1290
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
10

Otherwise Unclassified Properties

Base Metal Price, % relative 80
8.0
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 14
2.3
Embodied Energy, MJ/kg 190
31
Embodied Water, L/kg 290
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
920
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
23
Strength to Weight: Bending, points 22 to 24
21
Thermal Shock Resistance, points 22 to 25
20

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.13
Chromium (Cr), % 20 to 23
0 to 0.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 5.0
87.4 to 91.5
Manganese (Mn), % 0 to 0.5
0 to 0.9
Molybdenum (Mo), % 8.0 to 10
0 to 0.2
Nickel (Ni), % 58 to 68.9
8.5 to 10
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.045
Titanium (Ti), % 0 to 0.4
0
Vanadium (V), % 0
0 to 0.030