A106 321 Steel Flange
A106 and 321 flanges are two important types of flanges used for a variety of applications. A106 flanges are typically made from carbon steel and are widely used in piping systems for low and high-temperature services. These flanges can withstand high pressure and temperature, making them suitable for numerous industrial applications.
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of a106 321 steel flange in China. With abundant experience, we warmly welcome you to wholesale customized a106 321 steel flange from our factory. For price consultation, contact us.
A106 and 321 flanges are two important types of flanges used for a variety of applications. A106 flanges are typically made from carbon steel and are widely used in piping systems for low and high-temperature services. These flanges can withstand high pressure and temperature, making them suitable for numerous industrial applications.

On the other hand, 321 flanges are made from austenitic stainless steel and are often used in high-temperature applications. These flanges offer superior corrosion resistance, high strength, and excellent weldability, making them ideal for environments where exposure to harsh chemicals and oxidation is common.
| Specification | Flange A106 | Flange 321 |
| Size | 1/2" to 48" | 1/2" to 36" |
| Pressure | Class 150-2500 | Class 150-2500 |
| ASME Standard | ASME B16.5 | ASME B16.5 |
| Temperature Rating | -20°F to 1000°F | -320°F to 1500°F |
| Application | Oil and Gas, Petrochemicals, Refineries, Power plants, Shipbuilding, Water Treatment Chemical, Pharmaceuticals, Food Processing | Industries Oil and Gas, Petrochemicals, Refineries, Power plants, Shipbuilding, Water Treatment Chemical, Pharmaceuticals, Food Processing Industries |

Both A106 and 321 flanges are designed to connect piping systems, valves, and fittings, ensuring a secure and leak-free seal. They come in various sizes and designs to match the specific application requirements. Additionally, these flanges are easy to install, making them a popular choice for industrial applications.
Overall, A106 and 321 flanges are critical components in various industries, providing reliability, durability, and exceptional performance. Whether you need a flange for low or high-temperature services, or high-pressure and harsh environments, these two flange types have got you covered. So, if you're looking for a dependable and long-lasting solution for your piping needs, A106 and 321 flanges are an excellent choice.
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