Description

ASTM A691 Pipe

Introduction to ASTM A691 Pipe

ASTM A691 pipe specification covers alloy and carbon steel pipes that are electric-fusion welded with added filler metal. Manufactured from pressure vessel plate, these pipes undergo rigorous inspections and meet high strength standards. They are specifically designed for high-pressure applications in elevated temperature conditions, making them indispensable in various industries.

Features of A691 Seamless Pipe

1. Grades

• The ASTM A691 pipe is available in several grades, determined by its unique chemical composition.

2. Fusion Welded

• Utilizing an electric fusion process, these pipes achieve strong and reliable welding quality, suitable for high-pressure environments.

3. Heat Treatment

• The pipe typically undergoes heat treatment to enhance its mechanical properties and optimize performance for specific applications.

4. High Strength and Toughness

• Known for exceptional strength and toughness, A691 pipes can withstand extreme pressures and temperatures, making them ideal for demanding applications.

5. Corrosion Resistance

• The chemical composition provides remarkable corrosion resistance, ensuring long-lasting performance and reliability in various conditions.

6. Sizes and Dimensions

• The specification encompasses a wide range of sizes and dimensions to meet diverse industrial requirements.

7. Welding Quality

• The electric-fusion welding process produces high-quality welds, ensuring strength and integrity in piping systems.

8. Customization

• A691 pipes can be customized in various sizes, grades, and thicknesses to meet specific application needs.

Applications of ASME SA691 Pipe

1. High Pressure Piping Systems

• Ideal for systems that require high strength and pressure capabilities, commonly used in chemical industries, power plants, and refineries.

2. High Temperature Use

• Suitable for applications demanding high temperatures, including boiler systems, steam pipes, and heat exchangers.

3. Oil & Gas Industry

• Effective for transporting oil, gas, and petrochemicals, making them essential for energy infrastructure.

4. Industrial Infrastructure

• Used in constructing robust infrastructures requiring durable piping systems, such as water treatment facilities and mining operations.

ASTM A691 Pipe Specifications

Pricing Information

Hardness Chart for A691 Pipes