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ASTM B817 Type I vs. Nickel 625

ASTM B817 type I belongs to the titanium alloys classification, while nickel 625 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM B817 type I and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 4.0 to 13
33 to 34
Fatigue Strength, MPa 360 to 520
240 to 320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
79
Tensile Strength: Ultimate (UTS), MPa 770 to 960
790 to 910
Tensile Strength: Yield (Proof), MPa 700 to 860
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 340
980
Melting Completion (Liquidus), °C 1600
1350
Melting Onset (Solidus), °C 1550
1290
Specific Heat Capacity, J/kg-K 560
440
Thermal Conductivity, W/m-K 7.1
11
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
80
Density, g/cm3 4.4
8.6
Embodied Carbon, kg CO2/kg material 38
14
Embodied Energy, MJ/kg 610
190
Embodied Water, L/kg 200
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 2310 to 3540
260 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 48 to 60
26 to 29
Strength to Weight: Bending, points 42 to 49
22 to 24
Thermal Diffusivity, mm2/s 2.9
2.9
Thermal Shock Resistance, points 54 to 68
22 to 25

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.4
Carbon (C), % 0 to 0.1
0 to 0.1
Chlorine (Cl), % 0 to 0.2
0
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.3
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.5
Sodium (Na), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 87 to 91
0 to 0.4
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0