Incoloy 925 Age-Hardenable Tubes Oil & Gas Downhole Tools & High-Strength Fasteners

Incoloy 925 age-hardenable tubes represent a breakthrough in high-performance materials for demanding oilfield applications. This nickel-iron-chromium alloy with molybdenum and copper additions delivers exceptional strength and corrosion resistance after age-hardening treatment, making it ideal for critical downhole tools and high-stress fasteners in sour service environments. With its unique combination of mechanical properties and sulfide stress cracking resistance, Incoloy 925 meets the extreme demands of modern oil and gas exploration.

Material Advantages

Superior Mechanical Properties

Age-hardenable to achieve 110-120 ksi yield strength

Excellent toughness even at high strength levels

Good fatigue resistance for cyclic loading applications

Maintains properties at elevated temperatures up to 650°F (343°C)

Corrosion Resistance

Outstanding sulfide stress cracking (SSC) resistance

Good resistance to chloride pitting and crevice corrosion

Performs well in CO₂ and H₂S environments

Resists general corrosion in acidizing fluids

Manufacturing Benefits

Cold workable in solution annealed condition

Can be machined to tight tolerances

Weldable using proper procedures

Available in various tempers and conditions

Key Applications

Oil & Gas Downhole Tools

Drilling Components

Drill collars and heavy weight drill pipe

Measurement while drilling (MWD) housings

Logging while drilling (LWD) tool bodies

Completion Equipment

Production packers and bridge plugs

Subsurface safety valve components

Sand control tooling

Intervention Tools

Fishing tools and milling equipment

Workover string components

Wireline tooling

High-Strength Fasteners

Sour service bolts and studs

Wellhead and christmas tree components

Subsea connector systems

Platform structural fasteners

Industry Requirements

Oilfield Operators Demand

✔ High strength-to-weight ratio for deep wells

✔ Reliable SSC resistance in sour fields

✔ Consistent material properties across batches

✔ Cost-effective alternative to more expensive alloys

Fastener Manufacturers Require

✔ Machinability for precision threading

✔ Heat treat consistency for uniform properties

✔ Traceability for quality assurance

✔ Compliance with NACE MR0175/ISO 15156

Quality Specifications

ASTM B423 / ASME SB423 compliant

NACE MR0175 qualified for sour service

Full NDE testing available (UT, MPI)

Material certification with full traceability

Technical Comparison

Performance comparison for downhole applications

Heat Treatment Process

Optimal Aging Treatment

Solution Anneal at 1800°F (982°C) + rapid quench

Age Harden at 1300°F (704°C) for 16 hours

Air cool to achieve target properties

Resulting Properties

Typical hardness: 30-36 HRC

Impact toughness: ≥40 ft-lbs

SSC threshold stress: ≥80% of actual yield

FAQ:

Q: What is DLX Incoloy Alloy?

A: DLX Incoloy Alloy is a high-performance nickel-chromium alloy that is resistant to high-temperature corrosion and oxidation. It is commonly used in applications such as gas turbines, chemical processing, and nuclear reactors.

Q: What is the composition of DLX Incoloy Alloy?

A: DLX Incoloy Alloy consists of nickel, chromium, iron, and smaller amounts of other metals such as molybdenum, titanium, and aluminum. The exact composition can vary depending on the specific grade of Incoloy Alloy.

Q: What are the advantages of using DLX Incoloy Alloy?

A: DLX Incoloy Alloy has excellent resistance to high-temperature corrosion and oxidation, making it ideal for use in harsh environments. It also has good mechanical properties at both high and low temperatures, and is highly resistant to cracking and stress-corrosion.

Q: Where is DLX Incoloy Alloy manufactured?

A: DLX Incoloy Alloy is manufactured in China, where it is produced to strict quality control standards to ensure consistent performance and reliability.

Q: What are some common applications for DLX Incoloy Alloy?

A: DLX Incoloy Alloy is commonly used in applications such as gas turbines, chemical processing, and nuclear reactors. It is also used in the aerospace industry for parts such as exhaust nozzles and afterburner parts.