Inconel X750 is a age-hardenable nickel-chromium alloy.It provides incredible strength and corrosion resistance at high temperatures.Therefore, it is ideal for systems where standard stainless steel pipes or stainless steel pipe fittings would not be strong enough.This superalloy offers a dependable solution.It works perfectly in high-stress and high-heat environments.
Introduction to Inconel X750 | UNS N07750 | 2.4669
Inconel X750 is a special material that achieves high strength through a specific heat treatment process known as age hardening. This material maintains its strength at extremely high temperatures while exhibiting resistance to oxidation and corrosion from various corrosive media.
Key Advantages of Inconel X750
Maintains strength and performance in elevated temperatures, making it suitable for high-temperature components in equipment.
Resists diverse corrosive environments, exhibits excellent oxidation resistance, and withstands stress corrosion cracking, ensuring long-term reliability.
Strengthened through heat treatment, the material achieves exceptional hardness and strength, along with outstanding tensile strength and creep fracture resistance.
Capable of withstanding repeated stress and strain cycles, this alloy is critical for components subjected to cyclic loading, effectively preventing failure in dynamic systems.
Key Disadvantages of Inconel X750
The alloy’s composition includes expensive elements.Nickel and chromium increase its price. It is much more costly than standard stainless steels.
Achieving its full strength needs a special process. The age-hardening treatment is complex. It requires precise temperature control.
Its high strength makes machining difficult, requiring specialized tools and specific rotational speeds, which increases manufacturing time and cost.
This is a specialized alloy that may not be widely available, which could potentially lead to extended project delivery timelines.
Chemical Composition
| Element | Ni | Cr | Fe | Ti | Nb | Al | Mn | Si | C | S |
|---|---|---|---|---|---|---|---|---|---|---|
| Content (wt%) | Bal. | 14.0 – 17.0 | 5.0 – 9.0 | 2.25 – 2.75 | 0.70 – 1.20 | 0.40 – 1.00 | ≤1.0 | ≤0.5 | ≤0.08 | ≤0.01 |
Mechanical Properties
| Property | Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Hardness | Density |
|---|---|---|---|---|---|
| Value (Typical) | ≥827MPa(120ksi) | ≥517MPa(75ksi) | ≥20 | >280 | 8.25g/cm³ |
Inconel X750 in Pipes and Fittings
- Piping Systems:For critical stainless steel pipe fittings,Inconel X750 provides extreme durability.It keeps your system working perfectly in high-stress settings.The alloy handles pressure with ease.
- Aerospace:It is essential for pipes and fittings in the aerospace industry.Inconel X750 handles high heat and stress. The alloy maintains its integrity.This prevents failures and costly downtime.
- Nuclear Reactors:The alloy is perfect for bolts and springs,it resists corrosion and retains strength.
- Gas Turbines:Used for bolts, shafts,and other components.It withstands high temperatures and stress.
Sourcing and Fabricating Inconel X750
Always request a Material Test Report (MTR). This document confirms the chemical composition and mechanical properties of the material. The MTR ensures the authenticity and reliability of the specific alloy steel batch you receive and verifies its compliance with required specifications.
Select a professional stainless steel pipe and fittings supplier. Choosing suppliers certified to ISO 9001 and CE-PED ensures peace of mind. ISO 9001 certification demonstrates commitment to quality management systems, while CE-PED certification verifies compliance with European market safety standards for pressure equipment.
This alloy requires specific welding and fabrication techniques. High molybdenum content can cause issues if mishandled, making standardized procedures critical. Ensure your team masters proper handling methods, and welders use compatible filler materials and techniques to prevent risks like hot cracking or reduced corrosion resistance.
While Inconel X750 alloy carries a higher initial cost, its service life far exceeds that of standard alloys. Exceptional durability significantly reduces long-term maintenance and repair expenses while preventing unexpected system failures. The substantial savings from extended service life deliver a high return on the initial investment in Inconel X750.
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