GH3044 material grade of GH3044

GH3044 is a solid solution strengthened nickel-based oxidation superalloy, GH3044 (GH44) superalloy, GH3044 is a solid solution strengthened nickel-based oxidation resistant alloy, which has high plasticity and medium thermal strength below 900, and has excellent oxidation resistance and good stamping and welding process performance, suitable for manufacturing the main combustion chamber and afterburner parts and heat shields and guide vanes of aero engines working for a long time below 900. rods and rings, etc.

GH3044 heat treatment system.

The solution treatment temperature of hot-rolled and cold-rolled plate and strip is 1120 1160, and the material performance inspection is carried out in the air-cooled and first-class state.

GH3044 Varietal Specifications and Status.

It can be **δ4 14mm hot-rolled plate, δ cold-rolled plate, δ strip, diameter bar and various diameter rings. Plates and strips after solution, pickling, trimming**; Wire is cold-drawn, co-ornity pickled or semi-hard**, and bars and forgings are not heat-treated**.

GH3044 Melting & Casting Process.

The alloy is melted by electric arc furnace, non-vacuum induction furnace or vacuum induction furnace + electroslag remelting or vacuum arc remelting process.

GH3044 Application Overview & Special Requirements.

Alloys are used to make sheet stamping and welded structural parts of aero engines living in combustion chambers and afterburners, as well as parts such as mounting edges, conduits and guide vanes.

GH3044(GH44) GJB 2612-1996

GJB 1952-1994 "Specification for Cold-rolled Sheet of Superalloy for Aviation".

GJB 3020-1997 "Specification for Aerospace Superalloy Ring Blanks".

GJB 3165-1998 "Specification for hot-rolled and forged bars of superalloys for aviation load-bearing parts".

GJB 3317-1998 "Specification for Hot-rolled Sheet of Superalloy for Aviation".

GJB 3318-1998 "Specification for Hot-rolled Strip of Superalloy for Aviation Use" See Table 1-1

Table 1-1 C cr ni w mo al ti residual fe m si p s not greater than gh3044 melting temperature range 1352 1375

GH3044 thermal conductivity is shown in Table 2-1

Table 2-1 100 200 300 400 500 600 700 800 900 950 (w (m·c)) GH3044 Specific heat capacity See Table 2-2

Table 2-2 100 200 300 400 500 600 700 800 900 1000 C (j (kg·c)) 440 461 482 503 524 545 545 566 587 629 GH3044 Linear expansion coefficient See Table 2-3

Table 2-3 20 100 20 200 20 300 20 400 20 500 20 600 20 700 20 800 20 900 20 1000 10-6C-1 GH3044 The oxidation rate and the depth of oxidation along the crystals after 100 h in air medium are shown in Table 2-4

Table 2-4 900 1000 1100 1200 Oxidation rate (g m·h) along the crystal oxidation depth mm --

GH3044 superalloy is a Ni-Cr-based solution-strengthened deformed superalloy with a service temperature below 900°C. The alloy contains a large amount of tungsten and a small amount of aluminum and titanium. The alloy has high plasticity and medium thermal strength, and has excellent oxidation resistance and good stamping and welding process properties.

It is suitable for the production of aero engine main combustion chamber and afterburner parts that work for a long time below 900, as well as heat shields, guide vanes, etc. The main products of Tengsi special alloys are plates, strips, wires, and rings.

GH3044 superalloy has been used in the manufacture of plate stamping and welding structural parts of aero engine combustion chambers and afterburners, as well as parts such as installation force, conduit, guide vane and coke reactor, etc., with reliable performance and good use.

GH3044 superalloy can be welded by argon arc welding, spot welding, seam welding and brazing, and can be welded in combination with 1Cr18Ni9Ti, GH1140, GH3030 and GH3039 alloys. Parts that work at high temperatures can be effectively protected with a W-2 enamel coating.

GH3044 superalloy chemical composition.

Heat treatment regime.

Cold-rolled plates, wires, pipes, cold-drawn bars, forgings: 1120 -1160, air-cooled or furnace-cooled.

GH3044 GH44 is a solution-strengthened deformed superalloy.

GH3044 military standard plate.

Overview of GH3044 characteristics and application areas

The alloy is a solid solution strengthened nickel-based oxidation alloy, which has high plasticity and medium thermal strength below 900, and has excellent oxidation resistance and good stamping and welding process performance, and is suitable for manufacturing the main combustion chamber and afterburner parts of aero engines working for a long time below 900, as well as heat shields and guide vanes.

GH3044 similar grades:686, XH60BT, B 98 (Russia).GH3044 Ingredients:GH3044 Ingredients:

Specific details.

New grade: GH3044

Old grade: GH44

China Grade: GH3044 GH44 Nickel-based Superalloy I. Overview of GH3044 Nickel-based Superalloy:

GH3044 is a solid solution strengthened nickel-based oxidation resistant alloy, which has high plasticity and medium thermal strength below 900, and has excellent oxidation resistance and good stamping and welding process performance, and is suitable for manufacturing aero engine main combustion chamber and afterburner parts and heat shields and guide vanes that work for a long time below 900.

1. GH3044 material grade: GH3044 (GH44) 2. GH3044 similar grades: 686, 60 ,98 (Russia).

3. GH3044 technical standard for materials:

4. GH3044 chemical composition: see Table 1-1.

gh3044

GH3044 Metallographic Structure:

The alloy is basically single-phase austenite with a small amount of MC and M23C6 type carbides after 1200 solid solutions.

GH3044 process performance and requirements:

1. The alloy plate has good stamping process performance. The heating temperature of ingot forging is 1170, and the final forging is 900. 2. The average grain size of the alloy is closely related to the deformation degree of the forging and the final forging temperature.

3. The alloy can be welded by argon arc welding, spot welding, seam welding and brazing.

GH3030 (GH30) Nimonic 75A superalloy.

GH3030 solution-strengthened superalloy is an early 80Ni-20Cr solution-strengthened superalloy with simple chemical composition, satisfactory thermal strength and high plasticity below 800, and good oxidation resistance, thermal fatigue, cold stamping and welding process performance. The alloy is single-phase austenite after solution treatment, and the structure is stable during use. The main products are cold-rolled sheets, but also deformed products such as bars, rings, wires and pipes.

It is mainly used for turbine engine combustion chamber parts working below 800 and other high-temperature parts that require oxidation resistance but bear little load below 1100. GH3030 has strong hot and cold processing performance, and is used to make various chemical equipment and accessories.

Introduction to GH3030.

Material grade. gh3030（gh30）

Similar grades. 435, XH78T (Russia).

Technical standards for materials.

GJB 1952-1994 "Specification for Cold-rolled Sheet of Superalloy for Aviation".

GJB 2297-1995 "Specification for Cold-drawn (Rolled) Seamless Pipes of Superalloys for Aviation".

GJB 2611-1996 "Specification for Cold-drawn Bars of Superalloys for Aviation".

GJB 2612-1996 "Specification for Cold Drawn Wire of Superalloys for Aviation Use".

GJB 3020-1997 "Specification for Aerospace Superalloy Ring Blanks".

GJB 3317-1998 "Specification for Hot-rolled Plate of Superalloy for Aviation".

GJB 3318-1998 "Specification for Cold-rolled Strip of Superalloy for Aviation".

GJB 3165-1998 "Specification for hot-rolled and forged bars of superalloys for aviation load-bearing parts".

GJB 3167-1998 "Specification for Cold Drawn Wire of Superalloy for Cold Heading".

GB T 15062-1994

Heat treatment regime.

The solution temperature is 980 1020, the cooling method is evenly air-cooled for hot-rolled plate, cold-rolled sheet and ring blank, water-cooled or air-cooled for cold heading wire and cold-drawn bar, and water-cooled pipe.

Variety, specification and status.

It can produce deformed products of various specifications, and bars and ring blanks are delivered without heat treatment; Hot-rolled and cold-rolled sheets and pipes after solution and pickling**; The wire is delivered in a disc form in a cold-drawn state, in a solution and pickled state, or in a semi-hard state; The wire for cold heading is delivered in the solid solution and pickling state into a disc or straight strip, solid solution straight strip polished or cold drawn state; The pipes are delivered in solution and pickling condition; Cold drawn rods are delivered in annealed, annealed plus pickled, annealed and polished or cold drawn.

Melting and casting processes.

Electric arc furnace melting or electric arc furnace melting plus electroslag remelting or vacuum arc remelting, non-vacuum induction furnace plus electroslag melting or vacuum electric arc furnace remelting or vacuum duplex process.

Application overview and special requirements.

The alloy has been tested in aero engines for a long time, and is mainly used for combustion chamber and afterburner parts, as well as casing mounting edges.

Density =

GH3030 (GH30) is a superalloy, GH3030 profile.

Characteristics and uses of GH3030 superalloy:

GH3030 solution-strengthened superalloy.

GH3030 is a typical nickel-based alloy plate alloy with low strength, but excellent stamping and welding properties, the alloy has a high imitation nickel content, and can be replaced with GH140, GH2132 or alloy respectively according to the conditions of use.

Instead of GH4037, it can be used to manufacture general load-bearing parts, stamping parts, welding high-temperature load-bearing parts, etc. for aerospace, aviation, gas turbines and other industries at 500-1000 degrees.

GH3030 alloy variety specifications and ** status:

It can produce deformed products of various specifications, and bars and ring blanks are delivered without heat treatment; Hot-rolled and cold-rolled sheets and pipes after solution and pickling**; The wire is delivered in a disc form in a cold-drawn state, in a solution and pickled state, or in a semi-hard state; The wire for cold heading is delivered in the solid solution and pickling state into a disc or straight strip, solid solution straight strip polished or cold drawn state; The pipes are delivered in solution and pickling condition; Cold drawn rods are delivered in annealed, annealed plus pickled, annealed and polished or cold drawn.

GH3030 is a Fe-Ni-Cr based reinforced superalloy, the service temperature is below 800 degrees, the alloy has good oxidation resistance, high plasticity, high thermal strength and good cold and heat fatigue resistance, the alloy solution treatment is single-phase austenite structure, the structure is stable during use.

HelloGH3030 is a Fe-Ni-Cr based reinforced superalloy GH3030 similar grade: 435, XH78T (Russia) chemical composition is as follows:

c(％)cr(％)

mo( )ni( ) margin.

w(％)al(％)

nb(％)ti(％)

fe(％)si(％)

mn(％)p(％)

S( ) The alloy is a single-phase austenite structure after solution treatment at 1000 degrees Celsius, with a small amount of TIC and TI(CN) between them.

This alloy has the following properties:

80Ni-20Cr solution-strengthened superalloy has simple chemical composition, satisfactory thermal strength and high plasticity below 800, and has good oxidation resistance, thermal fatigue, cold stamping and welding process performance. The alloy is single-phase austenite after solution treatment, and the structure is stable during use.

Metallographic structure of GH3030:

GH3030 alloy is a single-phase austenite structure, with a small amount of TIC and TI (CN) between the application range of GH3030 application fields are:

1.It is mainly used for turbine engine combustion chamber parts working below 800 2Other high-temperature components below 1100 that require oxidation resistance but bear little load3It is used to make a mobile burner frame in the enamel furnace.