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Nickel 625 vs. ASTM A182 Grade F122

Nickel 625 belongs to the nickel alloys classification, while ASTM A182 grade F122 belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is ASTM A182 grade F122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
23
Fatigue Strength, MPa 240 to 320
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 530 to 600
450
Tensile Strength: Ultimate (UTS), MPa 790 to 910
710
Tensile Strength: Yield (Proof), MPa 320 to 450
450

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
600
Melting Completion (Liquidus), °C 1350
1490
Melting Onset (Solidus), °C 1290
1440
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
24
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
10
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
12
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 14
3.0
Embodied Energy, MJ/kg 190
44
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
25
Strength to Weight: Bending, points 22 to 24
22
Thermal Diffusivity, mm2/s 2.9
6.4
Thermal Shock Resistance, points 22 to 25
19

Alloy Composition

Aluminum (Al), % 0 to 0.4
0 to 0.020
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.1
0.070 to 0.14
Chromium (Cr), % 20 to 23
10 to 11.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0.3 to 1.7
Iron (Fe), % 0 to 5.0
81.3 to 87.7
Manganese (Mn), % 0 to 0.5
0 to 0.7
Molybdenum (Mo), % 8.0 to 10
0.25 to 0.6
Nickel (Ni), % 58 to 68.9
0 to 0.5
Niobium (Nb), % 3.2 to 4.2
0.040 to 0.1
Nitrogen (N), % 0
0.040 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.4
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0
0.15 to 0.3
Zirconium (Zr), % 0
0 to 0.010