High-temperature oxidation-resistant alloy GH3030 hexagonal bar
GH3030 hexagonal bar is a high-temperature nickel-chromium alloy bar renowned for its excellent oxidation resistance and strength up to 800°C, making it suitable for components such as fasteners in high-temperature applications like jet engines. The hexagonal bar shape clearly indicates its suitability for manufacturing such fasteners, and the material also exhibits good weldability, cold stamping properties, and thermal fatigue resistance.


Are INCONEL alloys high-temperature alloys?
One of the most popular alloys is INCONEL 625, renowned for its excellent corrosion resistance and high thermal fatigue strength. It has an operating temperature range up to 982°C and can withstand various high-temperature effects such as oxidation and carburization.
GH3030, a high-temperature alloy, is a nickel-based alloy material with excellent high-temperature performance and corrosion resistance, widely used in various industrial equipment and components in high-temperature environments. GH3030 hexagonal bars, as a common form, possess good machinability and stable mechanical properties, making them highly favored by manufacturing companies. This article will provide a detailed introduction to the characteristics, specifications, applications, and reference prices of GH3030 hexagonal bars.
Properties of GH3030 Hexagonal Bar
| Property | Description |
|---|---|
| High-Temperature Oxidation Resistance | Good oxidation resistance in high-temperature environments, suitable for long-term use under high temperatures. |
| High Strength | Good strength and durability under both high and low-temperature conditions. |
| Corrosion Resistance | Excellent corrosion resistance in various corrosive environments. |
| Workability | Good workability, suitable for both cold and hot working. |
Specifications and Dimensions of GH3030 Hexagonal Bar
| Size (mm) | Length (mm) | Reference Price (CNY/kg) |
|---|---|---|
| 10 | 3000 | 80-100 |
| 12 | 3000 | 85-110 |
| 15 | 3000 | 90-120 |
| 20 | 3000 | 100-130 |
| 25 | 3000 | 110-140 |
| 30 | 3000 | 120-150 |
Application Fields of GH3030 Hexagonal Bar
| Application Field | Description |
|---|---|
| Aerospace | Used for manufacturing engine components, gas turbine blades, etc. |
| Fossil Fuel Industry | Used for manufacturing high-temperature combustion furnace parts, heat exchangers, etc. |
| Nuclear Energy Industry | Used for manufacturing nuclear reactor components, steam generators, etc. |
| Chemical Industry | Used for manufacturing reaction equipment, pipelines, etc. in high-temperature corrosive environments. |
Bar Specifications
Shape: Cold-drawn bars are typically hexagonal in cross-section.
Dimensions: Round bars range in diameter from 8 to 45 mm, while hexagonal bars are also available in corresponding sizes.
Applications: These bars are ideal for manufacturing fasteners for aerospace and industrial applications.
Why Choose Gnee Nickel Alloys (Supplier Example)?
✅ Large stock of GH 3030 stainless steel strip/coil/bar, fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value for money.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), chemical composition certificate, and mechanical property certificate.
✅ Value-added services: slitting, cutting, polishing, surface treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export-required documents.
Email: ss@gneemetal.com

Gnee Steel is a professional manufacturer of various nickel-based alloys. Gnee Steel's product packaging includes: steel strapping: pipes with an outer diameter not exceeding 3 inches are typically bundled together with polypropylene film to prevent rusting during sea transport and then secured with steel straps; wooden crates/crates: pipes are usually packaged in wooden crates or crates for protection during transport, especially for longer or larger diameter pipes; seaworthy export packaging: suppliers typically use standard seaworthy export packaging methods, which may include various materials and techniques to protect pipes during transport; and tarpaulin packaging: to prevent rainwater, seawater, etc., from seeping into the export wooden crate packaging during transport. Gnee Steel specializes in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy fields, and customized alloy material solutions can be provided according to customer needs. For alloy material price inquiries or to obtain customized alloy material solutions, please feel free to contact us at ss@gneemetal.com for a quote.





