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Hastelloy G30 (UNS N06030) – Composition, Properties, and Applications

Hastelloy G30 (UNS N06030) is a special nickel-based alloy with a carefully designed chemical composition to achieve excellent strength, oxidation resistance, corrosion resistance, and high-temperature performance. Here we will detail the chemical composition of Hastelloy G30 and its impact on alloy properties, as well as its important applications.

Hastelloy G30 (UNS N06030) – Composition, Properties, and Applications
Hastelloy G30 (UNS N06030) – Composition, Properties, and Applications

Chemical composition of Hastelloy G30：

The chemical composition of Hastelloy G30 mainly includes the following elements:

  1. Nickel (Ni) balance
  2. Chromium (Cr) 28.00 – 31.50
  3. Iron (Fe) 13.00 – 17.00
  4. Molybdenum (Mo) 4.00 – 6.00
  5. Copper (Cu) 1.00 – 2.40
  6. Tungsten (W) 1.50 – 4.00
  7. Cobalt (Co) max. 5.00
  8. Manganese (Mn) max. 1.50
  9. Niobium (Nb) 0.30 – 1.50
  10. Carbon (C) max. 0.03
  11. Phosphorus (P) maximum 0.04
  12. Sulfur (S) maximum 0.02

Composition Features of Hastelloy G30：

The composition features of Hastelloy G-30 are mainly as follows:

  1. Nickel-based alloy: The matrix of Hastelloy G-30 is a nickel-based alloy, which is one of the main reasons for its good oxidation resistance and corrosion resistance.
  2. Chromium content: Hastelloy G-30 contains a certain amount of chromium, which is one of the main reasons for its good corrosion resistance.
  3. Containing molybdenum and tungsten elements: Hastelloy G-30 contains a moderate amount of molybdenum and tungsten elements, which add to its high-temperature strength and oxidation resistance.
  4. A small amount of elements: Hastelloy G-30 also contains small amounts of carbon, nitrogen, silicon, magnesium, and other elements, which have a certain improvement effect on the properties of the alloy.

Mechanical Properties of Hastelloy G30：

The mechanical properties of Hastelloy G-30 show its high strength, high hardness, and good plasticity and toughness. At high temperatures, its tensile strength and yield strength are both high, meeting the high-strength application requirements in high-temperature environments. At the same time, its elongation and section shrinkage are also good, indicating its good toughness.

High-temperature Performance of Hastelloy G30：

The high-temperature performance of Hastelloy G-30 is one of its most important characteristics. At high temperatures, its oxidation resistance and corrosion resistance are excellent. Its oxidation resistance is mainly due to its content design and manufacturing process, which effectively resists high-temperature oxidation and corrosion. At the same time, its corrosion resistance is also good, capable of resisting corrosion from various media.

Application Range of Hastelloy G30：

Due to its excellent properties, Hastelloy G-30 is widely used in the manufacturing of components under various high-temperature environments. Specifically, it is mainly applied in the fields of aerospace engines, gas turbines, petrochemicals, etc. In these fields, it can withstand extreme temperatures and harsh environmental conditions, ensuring the stability and reliability of the product.

Processing and Usage Precautions：

When processing and using Hastelloy G-30, the following points should be noted:

Before processing, it needs to be properly treated, such as cutting, grinding, etc., to ensure the surface quality and use effect.
During the processing, it is necessary to avoid excessive deformation and fracture to ensure the accuracy and surface quality of the product.
During use, it is necessary to avoid excessive loads and harsh environmental conditions to ensure the stability and reliability of the product.
During maintenance and repair, it is important to pay attention to regular cleaning and coating protection to prevent corrosion and damage.

Common Uses of Hastelloy G30:

Here are some common uses of Hastelloy G-30:

  1. Aero-engine: Hastelloy G-30 can be used to manufacture parts and components of aero-engines, such as turbine blades and turbine disks. These parts need to work in high-temperature environments and withstand high pressure and vibration loads, and Hastelloy G-30 can meet these requirements.
  2. Gas turbine: Hastelloy G-30 can be used to manufacture parts and components of gas turbines, such as turbine blades and turbine disks. These parts need to work in high-temperature environments and withstand high pressure and heat loads, and Hastelloy G-30 provides excellent strength, hardness, and corrosion resistance.
  3. Petrochemical industry: Hastelloy G-30 can be used to manufacture parts and components of petrochemical equipment, such as pipelines and valves. These equipment need to work in high-temperature environments and withstand the corrosive effects of acid and alkali liquids, while Hastelloy G-30 can provide good corrosion resistance.
  4. Marine engineering: Hastelloy G-30 can be used to manufacture parts and components for marine engineering structures, such as components for offshore platforms and ship parts. These components need to work in seawater environments and withstand the erosive effects of high-strength and highly corrosive media, while Hastelloy G-30 provides excellent corrosion resistance and strength guarantees.

Why Choose Huaxiao Alloy?

Thank you for reading our article and we hope it can help you to have a better understanding of the composition, properties, and applications of Hastelloy G30. If you want to learn more about Hastelloy G30, we would advise you to visit Huaxiao Alloy for more information.

As a leading supplier of Hastelloy products from China, Huaxiao Alloys offers customers high-quality Hastelloy G30 (UNS N06030), Hastelloy C-2000, Hastelloy B2, Hastelloy X alloy, Hastelloy C4, Hastelloy C-276, and Hastelloy C22 at a very competitive price.

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