Carbon Steel Flanges

what are Carbon Steel Flanges？

Carbon steel flanges are mechanical components used to connect pipes or valves together. They are made from carbon steel, which is an alloy of iron and carbon with small amounts of other elements. Carbon steel flanges are used in a wide range of industries, including oil and gas, petrochemicals, power generation, and construction.

The most common types of carbon steel used for flanges are ASTM A105 and ASTM A350 LF2. These materials offer good mechanical properties, including high strength and toughness, and they are relatively affordable compared to other materials. Carbon steel flanges are commonly used in applications with moderate to high pressure and temperature, such as oil and gas, chemical processing, and power generation.

The most common types of carbon steel

Low carbon steel: Also known as mild steel, this type of carbon steel contains a low amount of carbon (usually around 0.05% to 0.25%) and is known for its ductility, toughness, and machinability. It is commonly used in the manufacture of automotive parts, construction materials, and furniture.

Medium carbon steel: This type of carbon steel contains a higher amount of carbon (usually between 0.25% to 0.60%) and is known for its strength and hardness. It is commonly used in the manufacture of axles, gears, and machinery parts.

High carbon steel: This type of carbon steel contains a very high amount of carbon (usually between 0.60% to 1.00%) and is known for its extreme hardness and brittleness. It is commonly used in the manufacture of knives, cutting tools, and springs.

Ultra-high carbon steel: This type of carbon steel contains a carbon content above 1.00% and is known for its extreme hardness and brittleness. It is used in the manufacture of specialty knives and tools.

Carbon steel flanges are typically manufactured in accordance with the following standards:

ASME B16.5 - Pipe Flanges and Flanged Fittings NPS 1/2 through NPS 24

ASME B16.47 - Large Diameter Steel Flanges NPS 26 through NPS 60

MSS SP-44 - Steel Pipeline Flanges

API 6A - Specification for Wellhead and Christmas Tree Equipment

In addition to these standards, there are also other specifications that may be required for specific applications, such as the use of low-temperature carbon steel (LTCS) or high-temperature carbon steel (HTCS) for flanges in extreme temperature environments.

Carbon steel flanges come in different shapes, sizes, and types, such as slip-on flanges, socket weld flanges, threaded flanges, blind flanges, weld neck flanges, and lap joint flanges. Each type of flange has a specific design and function, but all of them serve the same purpose of connecting pipes or valves together.

Here are some key specifications and features of carbon steel flanges:

1. Material: Carbon steel flanges are made from various grades of carbon steel, including ASTM A105, ASTM A350 LF2, ASTM A694 F52, and ASTM A694 F65.

2. Types: Carbon steel flanges come in several types, including weld neck, slip-on, socket weld, threaded, blind, and lap joint flanges.

3. Pressure ratings: Carbon steel flanges are available in a range of pressure ratings, from 150# to 2500#, with higher pressure ratings typically used for more demanding applications.

4. Sizes: Carbon steel flanges are available in a wide range of sizes, from 1/2" to 72", to suit different pipe diameters.

5. Standards: Carbon steel flanges are manufactured according to various standards, including ASME B16.5, ASME B16.47, and API 6A, among others.

6. Surface finish: Carbon steel flanges typically have a rust-preventative coating or are painted to prevent corrosion.

7. Applications: Carbon steel flanges are used in a variety of applications, including oil and gas, chemical processing, power generation, water treatment, and more.

8. Advantages: Carbon steel flanges are relatively inexpensive, easy to install, and widely available. They are also durable, strong, and resistant to corrosion, making them suitable for use in demanding applications.

   
   

Overall, carbon steel flanges are a versatile and reliable choice for connecting piping systems, offering a range of options to suit different applications and requirements.

SSM manufactures and supplies carbon steel flanges in various sizes and materials. We have a strong technical support team and industrial workers to ensure product quality and delivery. Please feel free to call us for inquiries about carbon steel flanges.