Products Introduction

Components exposed to extreme temperatures require materials that can maintain strength, resist oxidation and remain stable during long-term thermal cycles. Conventional stainless steels and heat-resistant steels often lose mechanical performance when operating under severe heat conditions, creating the need for advanced nickel-based materials.

GH1140 Nickel Alloy is a high-temperature nickel-based superalloy developed for elevated temperature applications where thermal stability, oxidation resistance and structural reliability are required. Its combination of high-temperature strength, creep resistance and good processing capability makes it suitable for aerospace components, gas turbine parts and industrial high-temperature equipment.

Mono supplies GH1140 Alloy in various forms including round bar, plate, sheet, forging and wire, supporting customers requiring heat resistant nickel alloy materials for precision manufacturing and high-temperature engineering applications.

Chemical components(%)

Mechanical properties

Physical properties

GH1140 Nickel Alloy Available Products and Specifications

1. GH1140 Nickel Alloy Plates / GH1140 Nickel Alloy Sheets

Standard Reference: ASTM A240 / GB/T 14995

Dimension Range: Thickness 0.08–200mm × Width × Length (customized)

Processes: Forging, hot rolling, cold rolling

Delivery Condition: Annealed, solution + aging, quenched + tempered, acid-washed, shot blasting

Inspection: Ultrasonic testing, mechanical property testing, intergranular corrosion test, PMI (positive material identification)

Application: Used for structural plate components requiring heat resistance and oxidation resistance, such as aircraft engine combustion chamber liners, gas turbine transition ducts, and high-temperature furnace inner walls.

2. GH1140 Nickel Alloy Steel Bar

Standard Reference: ASTM A276 / GB/T 14994

Product Forms: Round bar, flat bar, square bar

Dimension Range: Diameter Φ8–120mm × Length

Processes: Forging, hot rolling, cold rolling, casting

Delivery Condition: Black surface, rough turning, shot blasting

Inspection: Flaw detection, tensile testing, hardness testing, chemical composition re-analysis

Application: Used for high-temperature fasteners, turbine shafts, support structural parts, valve stems, and other components subjected to high temperature and mechanical stress.

3. GH1140 Nickel Alloy Coil / GH1140 Nickel Alloy Strip

Standard Reference: ASTM A240 / GB/T 14996

Dimension Range: Thickness 0.03–16.0mm × Width ≤1200mm

Processes: Cold rolling, hot rolling

Delivery Condition: Annealed, solution + aging, quenched + tempered, acid-washed, shot blasting

Inspection: Surface defect inspection, dimensional accuracy measurement, mechanical property re-testing

Application: Used for stamped parts, bellows, sealing gaskets, high-temperature insulation layers, and other applications requiring thin gauge and uniform performance.

4. GH1140 Nickel Alloy Pipes / GH1140 Nickel Alloy Tubes

Standard Reference: ASTM A312 (seamless/welded), ASTM A269 (precision tube)

Product Types: Seamless pipe, welded pipe

Dimension Range: OD 6–219mm × Wall thickness 0.5–20.0mm

Processes: Hot extrusion, cold drawing, welding

Delivery Condition: Annealed, solution + aging, quenched + tempered, acid-washed

Inspection: Hydrostatic test, eddy current testing, non-destructive testing (NDT), PMI, mechanical property testing

Application: Suitable for high-temperature and high-pressure media transport (e.g., aircraft engine bleed air tubes, heat exchanger tube bundles, chemical reactor coils), requiring good thermal fatigue resistance and weldability.

Typical Engineering Applications

1. Aerospace Engine Components

Aircraft engine components require materials that can withstand high temperatures while maintaining strength during repeated thermal cycles.

GH1140 Nickel Alloy is used for high-temperature aerospace parts where resistance to oxidation, thermal fatigue and mechanical degradation is required.

Typical applications include:

• Engine structural components exposed to elevated temperatures

• High-temperature fastening components

• Combustion-related parts requiring thermal stability

• Precision aerospace components manufactured through forging and machining processes

2. Gas Turbine & Power Generation Equipment

Gas turbines operate under continuous thermal loading, requiring alloys that maintain strength and dimensional stability during long service periods.

GH1140 Superalloy is suitable for:

• Turbine components

• High-temperature supporting structures

• Combustion chamber parts

• Power generation equipment exposed to hot gas environments

The alloy helps improve component reliability where heat resistance and oxidation protection are critical.

3. Industrial Furnace & Heat Treatment Equipment

Industrial furnaces require materials that can withstand prolonged exposure to elevated temperatures and repeated thermal cycling.

GH1140 High Temperature Alloy can be applied in:

• Furnace components

• Heat treatment equipment parts

• High-temperature fixtures

• Structural elements inside thermal processing systems

Its thermal stability helps maintain service performance under continuous heating conditions.

4. High Temperature Industrial Components

For industrial equipment operating in demanding thermal environments, material selection depends on maintaining strength, resisting oxidation and controlling deformation.

GH1140 Alloy is considered for:

• High-temperature supports

• Precision mechanical components

• Heat-resistant structural parts

• Custom fabricated components

The alloy provides a practical balance between performance requirements and manufacturing adaptability.

Manufacturing & Processing Capability

Mono supplies GH1140 products with different manufacturing conditions to meet various engineering requirements.

Available processing options include:

• Hot Rolled GH1140

• Cold Rolled GH1140

• Forged GH1140 Alloy

• Heat Treated GH1140

• Solution Treated GH1140

• Precision Machined GH1140

• CNC Machined GH1140

• Custom Size GH1140

For customers requiring specific dimensions, surface conditions or machining allowances, customized supply solutions are available.

Procurement Insight

When sourcing GH1140 Nickel Alloy, buyers usually focus on more than the material grade itself. Key considerations include product form, heat treatment condition, dimensional tolerance and manufacturing capability.

For aerospace and high-temperature equipment manufacturers, commonly requested information includes:

• Material specification and datasheet

• Chemical composition and mechanical properties

• Heat treatment condition

• Round bar diameter or plate thickness range

• Custom machining requirements

• Export documentation and quality certificates

Mono supports international customers with flexible supply options for standard and customized GH1140 products.

Frequently Asked Questions

Q1: What is GH1140 Nickel Alloy used for?

A: GH1140 Nickel Alloy is mainly used for high-temperature components requiring heat resistance, oxidation resistance and stable mechanical performance, including aerospace parts, gas turbine components and industrial furnace equipment.

Q2: What products can Mono supply for GH1140 Alloy?

A: Mono can supply GH1140 in forms including round bar, bar, plate, sheet, forging and wire according to customer requirements.

Q3: Is GH1140 suitable for aerospace applications?

A: Yes. GH1140 is designed for elevated temperature environments and can be used for aerospace components requiring high-temperature strength and thermal stability.

Q4: What are the main advantages of GH1140 compared with conventional heat-resistant alloys?

A: GH1140 provides improved high-temperature strength, oxidation resistance and creep resistance, making it suitable for applications where conventional materials may experience strength loss under continuous heat exposure.

Q5: Can GH1140 products be customized?

A: Yes. Customized sizes, machining conditions, heat treatment states and product specifications can be supplied according to project requirements.

Q6: How can I get a quotation for GH1140 Alloy?

A: Please provide the required product form, dimensions, quantity and technical requirements. Mono can evaluate the suitable supply solution and provide a quotation.

Mono supplies GH1140 Nickel Alloy products for customers requiring reliable high-temperature materials for aerospace, energy and industrial applications. With experience in supplying specialty metals, we support various product forms including bars, plates, sheets, forgings and customized components.

Our service focuses on material traceability, flexible production coordination and export supply capability to meet different engineering requirements.

For GH1140 Alloy inquiries, please contact us at info@monokj.com with your required specifications, dimensions and application details. Our team will help you find a suitable material solution.