GH3044 superalloy has high strength, plasticity and cold and hot fatigue properties

Mondo Cars Updated on 2024-03-06

GH3044 alloy welding performance:

1.Commonly used welding methods include arc welding (TIG and MIG), resistance welding, and laser welding.

2.Proper preheating and post-heat treatment are often required. The purpose of preheating is to reduce the risk of stress and thermal cracking during the welding process by increasing the temperature of the material. Post-heat treatment can further optimize the mechanical properties and creep resistance of the weld.

3.Choosing the right filler material is essential to achieve good weldability. Commonly used filler materials include Ernicrmo-3 and Ernicrfe-7, among others.

4.Shielding gases such as pure argon or argon-hydrogen mixtures are often used to protect the weld during welding.

5.After the welding is completed, a proper inspection should be carried out to ensure the quality of the weld. In addition, the welded parts can be heat-treated to further optimize the properties of the material.

Mechanical property index:

Tensile strength: Typical values are around 1100 MPa (160 ksi) to 1300 MPa (190 ksi).

Yield Strength: Typical values are approximately 600 MPa (87 kSi) to 800 MPa (116 kSi).

Elongation: Typically around 15% to 25%.

Hardness: Typical HRC 30 to 40.

Modulus of elasticity: Approximately 200 GPA (29 mSi).

The chemical composition is as follows:- Nickel (Ni): Approx. 50-55% - Chromium (Cr): Approx. 18-21% - Molybdenum (Mo): Approx. 7-9% - Iron (Fe): Approx. 3-5% - Tantalum (Ta): Approx. 2-4% - Aluminum (Al): Approx. 08-1.5%- Titanium(Ti): about 05-0.8%- Carbon(c): Approx. 008-0.15%- Manganese (Mn): about 003-0.06%- Phosphorus (p): 0. max015%- Sulphur(s): 0 max015%- Silicon (Si): 0. max015%- Nitrogen(n): 0. max015%- Copper (Cu): 0. max015%

It is mainly used in the manufacture of high-temperature and high-pressure gas bearings and rotary seals. In aerospace, petrochemical, energy and other fields, it is often used in the manufacture of high-temperature and high-pressure pumps, jet engine nozzles, gas turbine parts and other parts that require high temperature, high strength and corrosion resistance. Due to its excellent high-temperature strength, oxidation resistance and creep resistance, it has excellent performance under various high temperature and high pressure working conditions, so it is widely used in the manufacture of mechanical equipment parts in various high-temperature environments.

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