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Inconel x-750 have good fatigue resistance, radiation resistance, oxidation resistance, corrosion resistance, and good processability, good welding performance. It can be able to manufacture all kinds of complex shape parts.In the aerospace, nuclear power, oil industry, and in the extrusion die, in the above temperature range obtained the extremely widespread application.
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Inconel X-750
X750 is a Nickel-Chromium alloy made precipitation hardenable by additions of Al and Ti, having creep-rupture strength at high temperatures to about 700°C (1290°F). It is widely used for high temperature conditions but is not as strong as Nimonic 90.
Chemical Composition | Specifications | Designations | Key Features | Typical Applications |
| ElementMin %Max %C-0.08Mn-1.00Si-0.50S-0.01Cr14.0017.00Ni70.00-Nb/Cb0.701.20Ti2.252.75Al0.401.00Fe5.009.00Co-1.00Ta-0.05Cu-0.50
| AMS 5667 | W.NR 2.4669 | Good creep rupture strength at high temperatures | Nuclear reactors |
Density | 8.28g/cm³ | 0.299 lb/in³ |
Melting Point | 1430°C | 2600°F |
Coefficient of Expansion | 12.6 μm/m °C (20 - 100°C) | 7.0 x 10-6 in/in °F (70 - 212°F) |
Modulus of Rigidity | 75.8 kN/mm² | 10994 ksi |
Modulus of Elasticity | 218.0 kN/mm² | 31619 ksi |
Heat Treatment of Finished Parts | |||||
Condition as supplied by Alloy Wire | Type | Temperature | Time (Hr) | Cooling | |
°C | °F | ||||
Spring Temper | Age Harden | 650 | 1200 | 4 | Air |
Spring Temper (3 Part) | Anneal | 1150 | 2100 | 2 † | Air |
No. 1 Temper | Age Harden | 730 | 1350 | 16 | Air |
Properties | ||||
Condition | Approx. tensile strength | Approx. operating temperature | ||
N/mm² | ksi | °C | °F | |
Annealed | 800 - 1000 | 116 - 145 | - | - |
No 1 Temper | 900 - 1150 | 130 - 167 | - | - |
Spring Temper | 1100 - 1500 | 159 - 217 | - | - |
No 1 Temper + Aged | 1300 - 1450 | 188 - 210 | -200 to +550 | -330 to +1020 |
Spring Temper + Aged | 1350 - 1750 | 196 - 254 | -200 to +370 | -330 to +700 |
Spring Temper + 3 Part heat treated | 1100 - 1250 | 159 - 181 | -200 to +550 | -330 to +1020 |
The above tensile strength ranges are typical. If you require different please ask.