Gh2706 / Fe-Ni-Cr-Based Precipitation Hardening Deformed Superalloy / Gh706 /

• Application: Industrial
• Standard: GB, ASTM
• Purity: >99.5%
• Alloy: Alloy
• Powder: Not Powder
• Transport Package: Wooden
• Model NO.: XD-234
• Origin: Jiangsu Baoying
• HS Code: 7505120000
• Production Capacity: 500ton/Year

Product Description

GH706 (GH2706) precipitation hardening deformed superalloy/Inconel 706

GH706 is a Fe-Ni-Cr-based precipitation hardening deformed superalloy.

The operating temperature is below 550ºC-650ºC.

This alloy is a modified alloy of GH4169 alloy, and its characteristics are similar to GH4169 alloy.

Due to the reduction of niobium content in the alloy, it has better production process performance, hot and cold processing performance and welding performance.

The alloy has high strength, good oxidation resistance and corrosion resistance below 700 ºC.

The alloy can produce large-sized and super-sized superalloy products, suitable for making parts such as aero-engine casings, diffuser casings, turbine disks and fasteners, and can also be used to make large-diameter rings suitable for gas turbines for cycle power generation. pieces.

The main products are bars, forgings, rings, sheets and strips.

Alloys have been used to make components such as engine high-pressure compressor extension casings.

The alloy has a wide range of hot working temperature and high plasticity in the range of 850ºC-1150ºC.

When the deformation rate is 0.01, the steady-state rheological stage is quickly entered at 900ºC-1100ºC, and then the change of true stress is very small, which is extremely beneficial for large-scale blanking and hot working.

In the three-stage heat treatment of the alloy, 843ºC*3h is the stabilization treatment.

After the treatment, a large amount of η phase exists on the grain boundary, and the existence of η phase is beneficial to the improvement of the durability.

Chemical composition (mass fraction) (%)

   C          Cr              Ni           Al         Ti            Nb        Fe       Cu     Mn      Si       P          S          B
≤0.06 14.5~17.5 39.0~44.0 ≤0.40 1.5~2.0 2.50~3.30 Margin ≤O.3 ≤0.35 ≤O.35 ≤O.02 ≤O.015 ≤0.006

Heat treatment system

Hot-rolled bars, forged bars, and forgings: 925-980°C, water cooling +845°C for 3 hours + 720°C for 8 hours, cooling at 55°C per hour to 620°C for 8 hours, and cooling. HBS>285

Density: 8.06g/m3

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