UNS N19907 Incoloy 907 Round Bar – Low Expansion Alloy for Gas Turbine Components

Product Overview

Incoloy 907, designated UNS N19907, is a high-strength, low-expansion nickel-iron-cobalt alloy engineered for demanding applications in aerospace, power generation, and chemical processing. This alloy offers exceptional resistance to thermal fatigue, low thermal expansion, and high strength at elevated temperatures, making it ideal for components such as gas turbine seals, shafts, casings, and other structural parts.​

Chemical Composition

Mechanical Properties

Physical Properties

Applications

Incoloy 907 rods are utilized in various high-performance applications, including:​

• Gas turbine components (seals, shafts, casings)

• Aerospace structural parts

• Power generation equipment

• Chemical processing equipment

• Glass-to-metal sealing​

Frequently Asked Questions

1. What is Incoloy 907?

   • Incoloy 907 is a nickel-iron-cobalt alloy with additions of niobium and titanium, providing high strength and low thermal expansion

2. What are the key benefits of using Incoloy 907 rods?

   • They offer high strength, low thermal expansion, excellent resistance to thermal fatigue, and good machinability.​

3. What are the typical applications of Incoloy 907 rods?

   • They are used in gas turbines, aerospace components, power generation equipment, and chemical processing industries.​

4. What are the heat treatment requirements for Incoloy 907?

   • Solution anneal at 980°C for 1 hour, followed by aging treatments at 720°C or 775°C, depending on the application.

5. Is Incoloy 907 weldable?

   • Yes, Incoloy 907 can be welded using standard welding techniques with appropriate filler materials.

Wuxi Nickel New Material Co., Ltd. is a high-tech enterprise integrating the production, manufacturing, and research & development of specialty alloy materials. Located in Wuxi, Jiangsu Province, the company specializes in precision alloys, titanium alloys, high-temperature alloys, corrosion-resistant alloys, heat-resistant steels, nickel-based welding wires, and other specialty materials, with an annual production capacity of 5,000 tonnes. Our product range includes plates, bars, wires, and strips, which are widely used in industrial electric furnaces, power‐station boilers, petrochemical plants, aerospace, marine engineering, machinery, and electronic instrumentation. These materials are characterized by high electrical resistance, high‐temperature strength, corrosion resistance, wear resistance, and fatigue resistance. We can manufacture in compliance with national, industry, and international standards, and are also able to tailor products to meet specific customer requirements.
The company is committed to improving and enhancing its production infrastructure all year round, with a full range of production and processing equipment including vacuum smelting, hot processing, cold processing, and heat treatment. It also has various physical and chemical analysis testing facilities such as spectrometers to ensure product quality. The company has a high-quality R&D, production, and management team that is fully capable of meeting the complex requirements of the current market for material diversification, refinement, and functionalization. Our company is particularly skilled in developing and producing "specialized materials" that are suitable for the market and specific customer needs, which will be one of our company's characteristics. The company adheres to the business philosophy of "guided by market demand, driven by technological progress, and committed to optimizing and innovating materials to create greater value for customers", serving society and the market.