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GH5188 Superalloy
GH5188 Superalloy

GH5188 Wire
GH5188 Strip
GH5188 Round Bar
GH5188 Sheet
GH5188 Plate
GH5188 Strip
GH5188 Foil
GH5188 Seamless Tube


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Product details

Products Introduction

When engineers search for GH5188 Superalloy, they are usually looking for a material that can maintain strength and stability under extreme temperature conditions rather than a general-purpose heat resistant alloy.

As a cobalt based superalloy, GH5188 (also known as Haynes 188 Alloy) is specifically developed for high-temperature structural components requiring excellent oxidation resistance, thermal stability and long-term mechanical performance. Compared with many nickel-based superalloys, this GH5188 Cobalt Alloy provides outstanding oxidation resistance and fabrication performance in high-temperature oxidizing environments.

Mono Group supplies GH5188 Plate, GH5188 Sheet, GH5188 Round Bar, GH5188 Forging and GH5188 Welding Wire for aerospace, gas turbine and high-temperature equipment applications according to customer specifications.


Chemical components(%)

Composition

C

Si

Mn

P

S

Cr

Ni

W

Fe

Cu

Ag

B

Pb

Bi

La

Min

0.05

0.20

\

\

\

20.00

20.00

13.00

\

\

\

\

\

\

0.03

Max

0.15

0.50

1.25

0.02

0.015

24.00

24.00

16.00

3.00

0.07

0.001

0.015

0.001

0.0001

0.12

  

Mechanical properties

Rigidity

Tensile   strength

Yield   strength

Elongation

HBS≤302

≥860MPa

≥380MPa

≥45%


Physical properties

Density

Melting points

Specific   heat

Magnetism

Resistivity

Thermal conductivity

Linear expansivity

9.09g/cm3

1300-1360℃

208J/(Kg.℃)

\

1.051Ω·mm²/m(20℃)

12.23W/(m.k)(200℃)

11.8×10-6/K(20℃)


Why GH5188 is Selected for Extreme Temperature Applications

1. Excellent Oxidation Resistance at High Temperature

One of the primary reasons engineers choose GH5188 Heat Resistant Alloy is its excellent oxidation resistance during continuous exposure to high-temperature oxidizing environments.

The alloy maintains stable surface protection against scaling and degradation, helping components achieve longer service life under thermal cycling conditions. This oxidation-resistant performance makes GH5188 Superalloy suitable for hot-section applications where exposure to combustion gases and elevated temperatures is unavoidable.

For aerospace and power generation applications, the combination of oxidation resistance and thermal stability allows Haynes 188 Alloy to maintain reliable performance during long-term operation.


2. High Temperature Strength and Creep Resistance

Components operating at elevated temperatures must maintain mechanical strength over extended service periods. GH5188 provides excellent resistance to deformation and mechanical degradation under high-temperature loading.

This High Temperature Strength Alloy offers:

  • Strong creep resistance

  • Good stress rupture performance

  • Thermal fatigue resistance

  • Stable mechanical properties at elevated temperatures

These characteristics make GH5188 Cobalt Alloy suitable for aerospace engine components, gas turbine parts and other high-temperature structural applications.


3. Fabrication and Welding Performance

Besides high-temperature performance, GH5188 is valued for its manufacturing adaptability. The alloy can be processed through various forming and machining methods while maintaining its required mechanical properties.

Mono Group supplies GH5188 products with options including hot rolling, cold rolling, forging, heat treatment and precision machining. The material’s welding characteristics also make it suitable for fabricated components where complex shapes and reliable joining performance are required.


Engineering Applications of GH5188 Superalloy

1. Aerospace Hot Section Components

The aerospace industry is one of the major application areas for GH5188 for Aerospace.

Typical components include:

  • Aircraft engine hot section parts

  • Combustion chamber components

  • Afterburner components

  • Exhaust system components

The combination of oxidation resistance and high-temperature strength makes GH5188 Aerospace Alloy suitable for demanding aviation environments.


2. Gas Turbine Components

For gas turbine applications, materials must withstand thermal cycling, combustion gases and continuous high temperatures.

GH5188 for Gas Turbine applications include:

  • Turbine components

  • Combustion liners

  • High-temperature structural parts

  • Exhaust components


3. High Temperature Industrial Equipment

Beyond aerospace applications, GH5188 can also be used in:

  • Heat treatment equipment

  • Industrial furnace components

  • High-temperature processing systems

  • Power generation equipment


GH5188 vs Nickel Based Superalloys

Material TypeMain AdvantageTypical Applications

Nickel Based Superalloy

Excellent high-temperature strength and corrosion resistance

Turbine blades, engine components

GH5188 Cobalt Alloy

Superior oxidation resistance and thermal stability

Combustion chambers, afterburners, hot-section components

For applications where oxidation resistance and thermal fatigue performance are more critical than extreme mechanical loading, Cobalt Based Superalloy materials such as GH5188 provide an effective solution.


Material Selection Insight

When selecting a GH5188 Supplier, engineers usually consider more than the alloy composition. The final material choice depends on operating temperature, atmosphere conditions, component design and manufacturing requirements.

For aerospace sheet applications, GH5188 Sheet and GH5188 Plate are often selected because they provide good forming and fabrication capability. For structural components requiring higher load-bearing capacity, GH5188 Round Bar and GH5188 Forgings are commonly used.

Choosing the correct product form, heat treatment condition and processing method helps ensure reliable performance during long-term high-temperature service.


Frequently asked questions

Q: What is GH5188 Superalloy used for?

A: GH5188 Superalloy is mainly used for aerospace engine components, combustion chambers, afterburner parts, gas turbine components and other applications requiring excellent oxidation resistance and high-temperature strength.

Q: Is GH5188 the same material as Haynes 188 Alloy?

A: Yes. Haynes 188 Alloy is the commercial designation commonly used for the cobalt based superalloy equivalent to GH5188.

Q: What makes GH5188 different from nickel-based superalloys?

A: The main difference is that GH5188 Cobalt Alloy is cobalt-based rather than nickel-based. It provides excellent oxidation resistance, thermal stability and fabrication performance in extreme high-temperature environments.

Q: Which GH5188 products can Mono Group supply?

A: Mono Group supplies GH5188 Plate, GH5188 Sheet, GH5188 Round Bar, GH5188 Forging, GH5188 Tube and GH5188 Welding Wire according to customer requirements.

Q: What industries use GH5188 Alloy?

A: Typical industries include aerospace, aviation, gas turbine manufacturing, power generation and high-temperature equipment manufacturing.


Mono Group supplies high-performance materials for aerospace, energy and industrial applications, including cobalt based superalloys, nickel alloys and corrosion resistant materials.

With experience in international material supply, Mono Group supports customers with alloy selection, specification confirmation, customized dimensions and export services for demanding engineering projects.

For Haynes 188 Alloy, GH5188 Plate or GH5188 Round Bar requirements, contact info@monokj.com to discuss suitable material solutions and quotation support.


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