ANSI B16.5 Class 300 Stainless Steel Slip On Flanges A182 304/316L Raised Face and Flat Face for Industrial Piping System

Company Introduction:

Shaanxi Peter International Trade Co., Ltd. is a well-established and trusted supplier with over 20 years of experience in the industry, specializing in high-quality ANSI/ASME B16.5 Class 300 stainless steel and stainless steel slip-on flanges. With a strong reputation as a reliable source for these products, we have built long-term relationships with clients across a variety of industries, including oil and gas, petrochemical, power generation, and more.

At Shaanxi Peter, we prioritize quality above all else. To ensure the superior performance and durability of our products, we select only the finest materials and adhere to strict quality control measures throughout the manufacturing and inspection process. Our ANSI/ASME B16.5 Class 300 slip-on flanges are designed to meet industry standards, providing dependable solutions for low-pressure applications in a range of industrial sectors.

Our team of experts is highly skilled and committed to offering exceptional customer service. We collaborate closely with clients to deliver customized solutions that meet their specific needs. The slip-on design of our flanges allows for easy installation, making them an ideal choice for projects that require both efficiency and reliability.

Whether you are looking for flanges for a new project or need replacements for ongoing operations, Shaanxi Peter International Trade Co., Ltd. is dedicated to providing the best products and services to help you achieve success in your business.

ANSI/ASME B16.5 Class 300 Stainless Steel Slip-On Flanges:

ANSI/ASME B16.5 Class 300 stainless steel slip-on flanges are widely used for connecting pipes, valves, pumps, and other equipment. These flanges offer excellent corrosion resistance and durability, making them ideal for environments with high pressure and temperature requirements.

The design of the stainless steel slip-on flange allows it to slide onto the pipe and then be secured by welding both inside and outside. This design makes it easier to install compared to other flange types, such as weld neck flanges. The Class 300 rating indicates that the flange can withstand up to 300 pounds per square inch (psi) of pressure, making it suitable for piping systems within specific temperature ranges.

The advantages of slip-on flanges include cost-effectiveness, as they are relatively inexpensive to manufacture and install. They are also easy to install and align, especially in systems that require frequent disassembly and reassembly. Additionally, the stainless steel material provides excellent corrosion resistance, making these flanges suitable for use in harsh environments such as chemical plants, water treatment facilities, and offshore platforms.

These flanges are commonly used in industries such as oil and gas, chemical processing, water treatment, and marine applications. In these industries, Class 300 stainless steel slip-on flanges ensure the stable operation of piping systems with their high pressure-bearing capacity and high-temperature resistance. As a result, they are the ideal choice for industrial applications requiring high pressure, temperature, and corrosion resistance.

ANSI/ASME B16.5 Slip On Flange Class 300 Dimensions:

1.Dimensions are in millimeters(mm).

2.Dimensions can be specified by different purchasers.

The manufacturing process of ANSI B16.5 Class 300 slip-on flanges:

1. Material Selection and Forging

First, high-quality stainless steel materials such as 304, 316, and 316L are selected for their excellent corrosion resistance, strength, and ability to withstand high-pressure environments. The selected steel is then heated and subjected to pressure to undergo forging, which forms the initial shape of the flange. This step ensures material uniformity, enhancing the strength and durability of the flange.

2. Machining and Welding

After forging, the flange undergoes precise machining processes such as turning, milling, and drilling to ensure that the outer diameter, inner diameter, and bolt holes meet the ANSI B16.5 Class 300 standard. Special attention is given to the precision of drilling the bolt holes and machining the flange face (such as raised face or flat face). For slip-on flanges, the precision of the inner diameter is crucial to ensure the flange can easily slip onto the pipe and be welded on both the inside and outside after installation.

3. Heat Treatment and Surface Treatment

During heat treatment, the flange is heated and cooled in a controlled manner to eliminate internal stresses formed during forging and machining, while also enhancing the material's mechanical properties and corrosion resistance. Surface treatments such as pickling or passivation are carried out to remove oxides and impurities, ensuring a smooth surface and improved corrosion resistance.

4. Inspection and Testing

After manufacturing, each Class 300 slip-on flange undergoes rigorous inspection and testing to ensure it meets the ANSI B16.5 standard. These tests include dimensional checks, visual inspections, non-destructive testing (such as ultrasonic testing and dye penetrant testing), and pressure testing to ensure the flange can withstand the specified pressure.

5. Final Finishing and Packaging

After passing all inspections and tests, the flange undergoes final finishing, including cleaning, coating (if required), and packaging. During packaging, the flange is coated with protective oil or paint to prevent corrosion during transport and storage.

Through these steps, manufacturers ensure that the ANSI B16.5 Class 300 slip-on flange meets the high performance and safety standards required in industrial applications such as oil, gas, petrochemical, and power industries.

Grades of Stainless Steel Flanges:

Common materials for stainless steel flanges include different grades such as 304, 316, 430, 410, and 2205. 304 and 316 offer good corrosion resistance and are widely used in the chemical, food, and marine industries, with 316 being more resistant to chloride corrosion. 304L and 316L are low-carbon versions suitable for welding applications. 430 is a ferritic stainless steel used in mild corrosion environments, such as automotive exhaust systems and household appliances. 410 is known for its high hardness and wear resistance, often used in industrial applications. 2205 and 2507 are duplex stainless steels, suitable for more demanding environments such as seawater and oil and gas industries. The choice of grade depends on the specific requirements to ensure the flange performs well in its intended environment.

Product Applications:

1. Water and Wastewater Systems

Pipelines: Used in municipal and industrial water pipelines, including treatment and distribution systems.

Sewerage: Applied in wastewater systems for connecting pipes and equipment.

2. Oil and Gas Industry

Pipeline Systems: Employed in various pipelines for transporting crude oil, refined products, and natural gas.

Processing Plants: Utilized in refineries and chemical processing plants for joining different sections of piping.

3. HVAC Systems

Air Ducts: Used in heating, ventilation, and air conditioning systems to connect ductwork and other components.

Chilled Water Lines: Applied in chilled water systems for cooling and temperature control.

4. Industrial Processing

Chemical Plants: Used for connecting pipes and equipment in chemical processing and production facilities.

Manufacturing: Applied in various manufacturing processes that require fluid handling and transfer.

5. Power Generation

Steam Systems: Utilized in steam lines for power plants, including both fossil fuel and nuclear plants.

Cooling Systems: Employed in cooling water systems and auxiliary piping.

6. General Construction

Building Services: Used in commercial and residential construction for connecting and supporting various piping systems.

Plumbing: Applied in plumbing systems for water and gas distribution.

These flanges are particularly suited for piping systems that handle non-corrosive fluids and gases such as water, steam, oil, and gas. The raised face and flat face options provide flexibility in choosing the most appropriate design for a given application, while the Class 150 rating ensures compatibility with low-pressure systems.

Founded in 2007, Shaanxi Peter International Trade Co., Ltd. is a leading Chinese manufacturer and exporter dealing in flanges, fittings, and other steel products according to different standards and specifications for industrial and civil fields such as petroleum, chemical, power, aerospace, and navigation. Our general manager, Mr. Kong Xiang Dong, has been engaged in this industry since the 1990s and established his own company in 2007.

Headquartered in Xi'an, Shaanxi Province, China, we are now exporting our products globally and have earned a good reputation due to our excellent performance in delivery, quality control, and competitive market prices. All employees involved in product management possess rich product knowledge and experience, and all factories engaged in product export hold ISO approval or other authoritative certifications to ensure products are produced under strict quality control.

If you have any requirements or inquiries, please contact us directly. We assure you of a mutually beneficial business cooperation. Our aim is to develop long-term business partnerships with customers worldwide. We hope that our company will become one of your stable and reliable business partners in China.