GH2132 / Alloy A286 Stainless Steel Bar / Bright and Black Bars Diameter 5 - 300mm

Products Specification

GH2132 / Alloy A286 Stainless Steel Bar / Bright and Black Bars Diameter 5 - 300mm

Overview of GH2132 / Alloy A286 Stainless Steel Bar

GH2132, also known as Alloy A286, is a high-performance, iron-based superalloy, widely used in applications requiring high strength, resistance to oxidation, and good mechanical properties at elevated temperatures. It is primarily used in aerospace, industrial, and power generation sectors, where material performance under stress and heat is crucial.

The GH2132 / Alloy A286 stainless steel bars are available in a variety of forms including bright and black bars with diameters ranging from 5mm to 300mm. These bars are specifically engineered to offer excellent corrosion resistance, high tensile strength, and long-term durability even in extreme conditions. The versatility of Alloy A286 makes it an ideal choice for a wide range of high-temperature applications.

Key Features of GH2132 / Alloy A286 Stainless Steel Bars

• High Strength: GH2132 exhibits excellent tensile strength and fatigue strength, which is why it is used in high-stress applications like turbine rotors, compressors, and fasteners.

• Temperature Resistance: Alloy A286 has the ability to maintain its mechanical properties in environments with temperatures as high as 1000°F (540°C).

• Corrosion Resistance: The alloy is resistant to many corrosive environments, including oxidation and carburization, making it ideal for use in chemical processing industries and high-temperature furnaces.

• Formability: GH2132 can be hot or cold worked, making it suitable for a wide range of applications that require machining, forging, and welding.

• Aesthetic Appeal: Available in both bright and black finishes, these bars are suitable for both functional and aesthetic purposes.

Applications of GH2132 / Alloy A286 Stainless Steel Bars

Aerospace Industry

In the aerospace industry, GH2132 / Alloy A286 stainless steel bars are primarily used in the production of fasteners, bolts, and turbine engine parts that operate at high temperatures and pressures. The alloy’s resistance to oxidation and its ability to retain strength at elevated temperatures make it an indispensable material in this sector.

Power Generation

Alloy A286’s ability to withstand extreme heat makes it ideal for power generation applications, including steam turbines, gas turbines, and other critical components. Its durability ensures the longevity and reliability of these systems under the demanding conditions of power plants.

Chemical Processing

In chemical processing environments, materials often need to resist high temperatures and corrosive substances. Alloy A286 is highly resistant to various acids and chemicals, making it suitable for the construction of reactors, heat exchangers, and other equipment in industries such as petrochemicals, pharmaceuticals, and food processing.

Industrial Equipment and Machinery

GH2132 / Alloy A286 stainless steel bars are used in manufacturing industrial equipment that demands high performance under challenging mechanical conditions. From automotive parts to mechanical seals and valves, Alloy A286 provides the durability and strength required for high-load, high-stress environments.

Marine and Offshore Applications

The corrosion resistance of GH2132, coupled with its high strength, makes it a preferred choice in marine and offshore equipment. Alloy A286 is used in critical components like shafts, gears, and structural supports that must withstand harsh oceanic conditions.

Chemical Composition of GH2132 / Alloy A286 Stainless Steel

GH2132 / Alloy A286 is composed of the following elements:

• Nickel (Ni): 24–28%

• Chromium (Cr): 13–15%

• Iron (Fe): Balance

• Molybdenum (Mo): 1–2%

• Titanium (Ti): 1.5–3%

• Aluminum (Al): 0.5%

• Carbon (C): 0.15% max

• Silicon (Si): 1%

• Manganese (Mn): 1%

This composition ensures a balance of high-temperature strength, oxidation resistance, and good weldability, making Alloy A286 an optimal choice for critical applications.

Mechanical Properties of GH2132 / Alloy A286 Stainless Steel

The mechanical properties of GH2132 / Alloy A286 stainless steel bars are crucial for ensuring the material’s reliability under stress and high temperatures. Here are some of its key mechanical properties:

• Tensile Strength: 100,000 psi (690 MPa) minimum at room temperature, with the material maintaining a high tensile strength even at elevated temperatures.

• Yield Strength: 75,000 psi (520 MPa) minimum at room temperature.

• Elongation: 30% minimum in 2 inches (50.8mm), making the alloy suitable for forming and machining processes.

• Hardness: Typically, the hardness of Alloy A286 ranges between 150-200 HB (Brinell hardness), depending on the specific treatment process.

• Fatigue Strength: High resistance to cyclic loading and stress, providing superior durability in applications subjected to repeated mechanical stress.

GH2132 / Alloy A286 Stainless Steel Bar Forms

GH2132 / Alloy A286 bars are available in both bright and black forms:

• Bright Bars: Bright bars are polished, smooth, and have a clean surface finish. They are used where aesthetics and smooth finishes are essential. Bright bars are typically used in applications requiring close tolerances and high-quality finishes, such as precision engineering, fasteners, and instrumentation parts.

• Black Bars: Black bars have a rougher surface and are typically used in applications where surface finish is not as critical. These bars are often used for machining and can be processed into parts with a variety of final surface finishes, depending on the application.

These bars are available in diameters ranging from 5mm to 300mm, providing flexibility in product selection based on the needs of the application.

Advantages of GH2132 / Alloy A286 Stainless Steel Bars

1. High-Temperature Performance: One of the most significant advantages of Alloy A286 is its ability to perform in extreme temperature conditions, making it ideal for high-temperature environments in aerospace, power generation, and chemical industries.

2. Excellent Corrosion Resistance: The alloy’s superior resistance to oxidation and corrosion in high-temperature, high-pressure environments makes it perfect for harsh applications where other materials might fail.

3. Versatility: Available in both bright and black bar forms, GH2132 can be used in a wide range of applications, from high-performance components to general industrial uses.

4. Machinability: GH2132 is known for its good machinability when compared to other high-temperature alloys, making it easier to fabricate into finished parts.

5. Reliability: With consistent mechanical properties and performance, GH2132 provides long-term reliability and reduces the risk of failures in critical components.

Fabrication and Heat Treatment of GH2132 / Alloy A286 Bars

GH2132 bars can be processed by conventional methods such as machining, welding, and forming. The alloy can be heat-treated to achieve specific mechanical properties. Common heat treatments for GH2132 include:

• Solution Annealing: This heat treatment process involves heating the alloy to a temperature of 1040°C to 1080°C, followed by air cooling or water quenching. This process relieves internal stresses and improves the material’s overall performance.

• Age Hardening: This is used to increase the strength of the alloy by precipitating a fine distribution of secondary phases in the matrix, typically carried out at temperatures ranging from 700°C to 750°C.

• Welding: GH2132 is weldable with appropriate welding techniques, such as TIG or MIG, provided that proper heat management is employed to avoid compromising its mechanical properties.

Conclusion

GH2132 / Alloy A286 stainless steel bars in diameters ranging from 5mm to 300mm offer exceptional performance, durability, and resistance to high-temperature environments, corrosion, and oxidation. These bars are highly versatile and can be used in critical applications across industries like aerospace, power generation, chemical processing, and marine engineering. With excellent mechanical properties and the ability to withstand extreme conditions, Alloy A286 ensures that components remain reliable and functional throughout their service life.

Whether in bright or black bar form, GH2132 offers the flexibility needed to meet the demands of modern engineering. Its high strength, combined with good machinability and corrosion resistance, makes it an essential material for manufacturing high-performance parts that need to endure the most demanding environments.

When choosing GH2132 / Alloy A286 stainless steel bars for your next project, rest assured that you are selecting a material that excels in every aspect—from its mechanical properties to its durability under extreme conditions.