Inconel 625 High-Performance Nickel Alloy Pipe Tube Uns N06625 W. Nr. 2.4856 Excellent Corrosion & High-Temperature Resistance

Product Description

Product Description

NC22DNb (Inconel 625) is a nickel-based superalloy known for its exceptional corrosion resistance, high strength, and superior thermal stability in extreme environments. It is widely used in aerospace, marine, chemical processing, and power generation industries due to its ability to withstand high temperatures (up to 1000°C) and aggressive chemical environments.

Specifications:

Parameter	Details
Alloy Name	NC22DNb / Inconel 625
UNS Number	N06625
W.Nr.	2.4856
Material Type	High-Temperature Nickel-Based Superalloy
Product Form	Round Pipe / Tube (Seamless & Welded)
Standards	ASTM B444, ASTM B705, AMS 5581, DIN 17751
Outer Diameter (OD)	6 mm - 500 mm (customizable)
Wall Thickness	0.5 mm - 50 mm (customizable)
Length	Up to 12 meters (custom lengths available)
Surface Finish	Annealed, Pickled, Polished
Density	8.44 g/cm³
Melting Point	1290-1350°C
Tensile Strength	≥ 827 MPa
Yield Strength	≥ 414 MPa
Elongation	≥ 30%
Corrosion Resistance	Outstanding in oxidizing & reducing environments, seawater, acids
Weldability	Excellent (supports GTAW, GMAW, SMAW)

 

Key Features of NC22DNb / Inconel 625 Pipes & Tubes:

1. Superior Corrosion Resistance:

   • Exceptional resistance to oxidation, pitting, crevice corrosion, and chloride stress corrosion cracking (SCC).
   • Performs well in acidic, marine, and high-salinity environments (resistant to HCl, HSO, and seawater).

2. High-Temperature Strength & Thermal Stability:

   • Maintains high mechanical strength up to 1000°C (1832°F).
   • Ideal for extreme heat applications in gas turbines, reactors, and heat exchangers.

3. Excellent Weldability & Fabricability:

   • Can be easily welded using TIG (GTAW), MIG (GMAW), and SMAW welding methods.
   • No need for post-weld heat treatment, making it cost-effective and easy to manufacture.

4. Fatigue & Creep Resistance:

   • Withstands high mechanical stress, cyclic loading, and creep deformation over long periods.

 

Common Applications:

• Aerospace Industry:

  • Jet engine exhaust systems, heat shields, and afterburners.
  • Turbine blades, combustion chambers, and structural components.

• Marine & Offshore Applications:

  • Seawater piping systems, heat exchangers, and marine risers.
  • Offshore oil & gas platforms, subsea equipment, and ship exhaust systems.

• Chemical & Petrochemical Industry:

  • Acid processing plants, heat exchangers, and distillation columns.
  • Used in HSO, HCl, HNO, and phosphoric acid environments.

• Power Generation & Nuclear Industry:

  • Heat recovery steam generators (HRSG), nuclear reactors, and superheaters.
  • High-pressure piping in steam and gas turbines.

 

Detailed Photos

Company Profile

 Shandong Titanium Nickel Special Steel Co., Ltd., registered funds (one thousand yuan for 10,000 yuan), the company is mainly committed to high -tech enterprises that are integrated with special alloy materials, specializing in the research and sales of special alloys such as nickel -based and iron -based. Products include corrosion-resistant alloys, superalloys, precision alloys, Hastelloy, Monel, INCONEL, INCOLOY, copper-nickel alloys, titanium and titanium alloys, zirconium and zirconium alloys, nickel and nickel-based alloys, nickel-cobalt-based heat-resistant alloys , Hafnium alloy, etc., more than 60 kinds of alloy materials such as special stainless steel. On the basis of stabilizing the quality of the original products, according to the market demand, it solves the quality problems existing in the traditional metallurgical process, and ensures the low miscellaneous and low deflection of the alloy material products, which has won an excellent reputation in the industry.

 

 

 

 

 

 

Factory workshop

Product application

Packaging & Shipping

FAQ

1. What are high-temperature alloy pipes?
High-temperature alloy pipes are specialized pipes made from materials designed to withstand extreme temperatures, pressure, and corrosion. These alloys typically contain nickel, chromium, iron, and other elements that enhance their mechanical properties and durability in high-temperature environments.

2. What are the common types of high-temperature alloy pipes?
Common types include:

• Inconel (e.g., Inconel 600, 625, 718, 925)

• Hastelloy (e.g., Hastelloy C-22, C-276)

• Monel (e.g., Monel 400, K500)

• Stainless steel alloys (e.g., 310S, 321, 347)

• Other superalloys designed for extreme conditions

3. What industries use high-temperature alloy pipes?
Industries that commonly use these pipes include:

• Aerospace

• Power generation (nuclear, fossil, and renewable energy plants)

• Petrochemical and chemical processing

• Oil and gas

• Automotive and transportation

• Marine and offshore engineering

4. What are the key properties of high-temperature alloy pipes?

• High oxidation and corrosion resistance

• Excellent mechanical strength at elevated temperatures

• Good thermal stability

• Resistance to creep and stress rupture

• Weldability and formability

5. How are high-temperature alloy pipes manufactured?
These pipes are typically produced through processes such as:

• Seamless extrusion

• Welded pipe production

• Cold drawing

• Hot rolling

• Precision machining and heat treatment

6. What standards apply to high-temperature alloy pipes?
Some widely recognized standards include:

• ASTM B167, B407, B983 (for Inconel alloys)

• ASTM B619, B622 (for Hastelloy alloys)

• ASTM A312, A213 (for stainless steel alloys)

• ASME, ANSI standards for specific industrial applications

7. How do I choose the right high-temperature alloy pipe for my application?
Factors to consider include:

• Operating temperature and pressure

• Corrosive environment (acidic, alkaline, seawater, etc.)

• Mechanical strength requirements

• Compliance with industry standards and regulations

• Cost and availability

8. How can I get a quote?

You can request a quote through the following methods:

• Submit a quote request form on our website
• Call our sales hotline
• Contact us via email Please provide details such as the alloy type, specifications, quantity, and delivery location to receive an accurate quote.

9. Do you support international shipping?

Yes, we offer worldwide shipping. Our experienced logistics team can assist with various international shipping issues, including transportation options, customs handling, and destination requirements.

10. What payment methods do you accept?

We accept various payment methods, including bank transfers, credit card payments, PayPal, and more. The specific payment method can be confirmed based on the order amount and customer preferences.

11. Do you offer returns or exchanges?

Due to the customized or specialty nature of Hastelloy materials, our return and exchange policy is strict. Standard stock products can be returned or exchanged if they are unused and unprocessed. Please confirm the return/exchange conditions and process with our sales team before placing an order.

12. What certifications or documentation do you provide?

We can provide the following certifications and documents:

• Material inspection reports
• Material certificates
• Compliance certificates (e.g., ISO 9001 certification)
• Other certification documents as required by the customer

13. Do you offer processing or customization services?

Yes, we provide customized processing services for Hastelloy alloys, including cutting, welding, precision machining, and more. Whether it's standard dimensions or special requirements, we can process the materials to meet your needs.

14. How can I contact you for more information?

You can contact us through the following methods:

Online support: Visit our website for live chat

Address: 300 Meters North of Liaoniu Road and Xindong Ring Road, Liaocheng High-Tech Zone, Liaocheng, Shandong, China

We look forward to providing you with high-quality products and services!

If you have any other questions, feel free to contact us, and we will do our best to assist you!