Parameter | Details |
---|---|
Alloy Name | GH3030 (GH30) |
Material Type | Nickel-Based Superalloy |
Product Form | Round Pipe / Tube (Seamless & Welded) |
Standards | GB/T, GJB (Chinese Aviation & Industrial Standards) |
Chemical Composition | Ni (Nickel): ~76-80% Cr (Chromium): 15-18% Fe (Iron): ≤ 5% Mn (Manganese): ≤ 1.0% Si (Silicon): ≤ 0.8% C (Carbon): ≤ 0.15% |
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 | 8.4 g/cm³ |
Melting Point | 1370-1425°C |
Tensile Strength | ≥ 750 MPa |
Yield Strength | ≥ 350 MPa |
Elongation | ≥ 35% |
Corrosion Resistance | Excellent oxidation resistance at high temperatures |
Applications | Aerospace, Gas Turbines, Petrochemical Industry, Industrial Furnaces |
Key Features of GH3030 (GH30) Pipes/Tubes:
High-Temperature Strength & Oxidation Resistance:
- Designed for continuous operation at temperatures up to 900°C (1652°F).
- Excellent resistance to oxidation and carburization in high-temperature environments.
Good Thermal Stability & Ductility:
- Retains mechanical properties at elevated temperatures.
- High elongation and formability, making it suitable for various industrial applications.
Excellent Corrosion Resistance:
- Performs well in oxidizing environments, resisting sulfidation and other high-temperature corrosion.
- Suitable for chemical processing plants and marine environments.
Good Weldability & Fabrication:
- Supports TIG (GTAW), MIG (GMAW), and plasma arc welding.
- Can be hot-formed and cold-worked for custom applications.
Common Applications:
Aerospace Industry:
- Used in jet engines, combustion chambers, and high-temperature exhaust components.
Power Generation:
- Ideal for gas turbine components, heat exchanger tubing, and superheater tubes.
Petrochemical Industry:
- Used in chemical reactors, heat exchanger pipes, and catalytic cracking units.
Industrial Furnaces & Marine Applications:
- Excellent for high-temperature furnace parts, heat shields, and exhaust systems.



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, and API 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 chatAddress: 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!