Flange
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ANSI 6 Inch Forged Class 150 Stainless Steel Forged So/ Blind/Slip on/Threaded/Socket Welding/Steel Pipe/Plate/Weld Neck/Carbon Steel Flange
Flange Specification Details Commodity Flange Size DN15 – DN2000 Type Weld Neck, Slip-On, Blind, Plate flange, Etc. Standard ANSI, ASME, DIN, JIS, BS and GB. Materials Carbon steel, stainless steel FOB Price USD 1–2210 per piece. Process Raw material inspection. Cutting. Heating. Sizing. Blazing. Beveling. Forging.machining.drilling.marking. packing. delivery, etc. Printing Carbon steel with yellow or black print, cold or hot galvanized or Anti-rust oil. Packing Wooden case or pallet or be required. Delivery Usually within one month. Inspection Factory in-house or Third Party inspection available. Payment L/C, T/T, D/A, D/P 
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Carbon Steel Flanges
Carbon Steel Flanges: A Comprehensive Guide
Introduction
Carbon steel flanges are essential components in piping systems, used to connect pipes, valves, pumps, and other equipment. They provide a reliable and leak-proof connection, making them crucial in various industries, including oil and gas, chemical processing, water treatment, and construction. Carbon steel flanges are known for their strength, durability, and cost-effectiveness.
What is a Carbon Steel Flange?
A carbon steel flange is a mechanical component that allows for the joining of two or more parts in a piping system. Flanges are typically flat pieces of metal with holes for bolts, allowing them to be securely fastened to other flanges or equipment. They come in various shapes, sizes, and specifications to meet different application requirements.
Types of Carbon Steel Flanges
Weld Neck Flange: This type features a long neck that provides a gradual transition from the flange to the pipe, making it ideal for high-pressure applications. It is welded to the pipe, ensuring a strong connection.
Slip-On Flange: Designed to slip over the pipe, this flange is easy to install and is commonly used in low-pressure applications. It is typically welded in place for added security.
Blind Flange: A solid flange with no opening, used to seal the end of a piping system. It is useful for closing off a pipeline or for future access points.
Socket Weld Flange: This flange is designed for small-diameter pipes and is welded to the pipe’s socket. It provides a strong connection and is often used in high-pressure applications.
Lap Joint Flange: Used with a stub end, this flange allows for easy alignment and disassembly, making it suitable for applications where frequent maintenance is required.
Threaded Flange: This flange has internal threads that allow it to be screwed onto a threaded pipe, making it suitable for applications where welding is not feasible.
Material Grades
Carbon steel flanges are available in various grades, with the most common being:
- A105: This is a standard grade for carbon steel flanges used in piping systems at ambient and high temperatures.
- A350 LF2: This grade is used for low-temperature applications, providing good toughness and strength.
- A516 Grade 70: Often used in pressure vessels and boilers, this grade offers excellent weldability and is suitable for high-pressure applications.
- Strength: Carbon steel flanges are known for their high tensile strength, making them suitable for high-pressure applications.
- Cost-Effectiveness: Generally more affordable than stainless steel flanges, carbon steel flanges are a popular choice for many applications.
- Versatility: Available in various sizes and types, carbon steel flanges can be used in numerous applications across different industries.
- Weldability: Carbon steel can be easily welded, allowing for secure and permanent connections in piping systems.
Advantages of Carbon Steel Flanges
Applications
Carbon steel flanges are used in a variety of applications, including:
- Oil and Gas: For connecting pipelines and equipment in exploration, production, and refining processes.
- Chemical Processing: In reactors, heat exchangers, and storage tanks where preventing leaks is essential.
- Water Treatment: For connecting pipes in treatment plants and distribution systems.
- Construction: In structural applications where strength and durability are required.
Conclusion
Carbon steel flanges are vital components in the functionality and safety of piping systems across various industries. Understanding the different types, material grades, and advantages of carbon steel flanges can help in selecting the right fittings for specific applications. Whether in oil and gas, chemical processing, or construction, choosing the appropriate carbon steel flanges is crucial for ensuring the integrity and reliability of operations.
mariayang@crpipes.com
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Carbon Steel Pipe Flange 150 LB
Product Name: Pipe Flange
Size: 1/2″-24″
Pressure: 150LB-2500LB
Standard: ASME B16.5 Gost 33259-2015 DIN JIS GB
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Pipe Flange ASME B16.5 4″ A105 CLASS150
Product Name: Pipe Flange
Size: 4″
Pressure: Class150
Material: A105
standard: ASME B16.5
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ss flange
Product Name: Stainless Steel Flange
Size: 1/4″-24″
Pressure: Class150- Class 2500
Material: Stainless Steel
Standard: ASME B16.5
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Stainless Steel Flange Hubbed Slip Wn Flange
Flanges are essential components used in piping systems, equipment, and structural applications to connect pipes, valves, pumps, and other machinery. They provide easy access for cleaning, inspection, or modification. Here’s a detailed description: 1. Definition A flange is a protruding rim, collar, or rib on an object (like a pipe, beam, or vessel) used for strength, alignment, or attachment. In piping systems, flanges facilitate the assembly and disassembly of components. 2. Types of Flange... -
Butt welding flange
A butt welding flange (also called a weld-neck flange) is a type of pipe flange designed to be welded to a pipe or fitting using a butt weld (a circumferential weld around the neck of the flange). It is widely used in high-pressure and high-temperature piping systems due to its strength, durability, and leak-proof connection. Key Features of Butt Welding Flanges Weld Neck Design Has a tapered hub that provides reinforcement and reduces stress concentration. The smooth transition from flange... -
Flat Welded Flange with Neck
A Flat Welded Flange with Neck (also known as a ”Slip-On Flange with Hub” or ”Hubbed Slip-On Flange”) is a type of flange designed for easy welding and alignment in piping systems. It combines features of both Slip-On Flanges and Weld Neck Flanges, offering a balance between cost-effectiveness and structural strength. Key Features Hub (Neck) Design Unlike a standard Slip-On Flange (flat-faced), this flange has a short integrated hub (neck) that provides better reinfo... -
Wholesale Slip On Weld Flange
A Slip-On Weld Flange (SO flange) is a type of pipe flange designed to slide over the pipe and then be welded in place, both inside and outside, to ensure a secure connection. It is widely used in piping systems for its ease of installation, cost-effectiveness, and moderate pressure handling capability.
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Plate Weld Flange
A Plate Weld Flange (PL Flange) is a flat, circular disc with bolt holes, designed to connect pipes, valves, pumps, and other equipment in piping systems. Unlike welding neck flanges (WN), plate flanges are simpler in design and welded directly to the pipe by fillet welding at the backside. Key Features: ✔ Simple & Cost-Effective – Made from a flat plate, reducing material and machining costs. ✔ Easy Installation – Requires only fillet welding (no beveling needed). ✔ Wide Applications – U... -
Stainless Steel Blind Flange
A blind flange is a type of pipe flange used to seal the end of a piping system, pressure vessel, or valve opening. Unlike standard flanges, it does not have a bore (center hole), making it ideal for isolating or terminating pipelines. Key Features of Blind Flanges Solid Design – No internal opening, providing a tight seal. Pressure Containment – Withstands high pressure, preventing leaks. Easy Installation & Removal – Used for maintenance, inspection, or future expansion. Material Varie...