Grade 347H Pipe

Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of grade 347h pipe in China, also supports customized service with low price. Welcome to wholesale discount grade 347h pipe for sale here from our factory. Contact us for free sample.

Grade 347H Steel Pipe Supplier-GNEE

Advantages of 347H Steel Pipes:

High Temperature Performance: Grade 347H is designed for high-temperature applications, offering excellent resistance to thermal cycling and oxidation. It can withstand temperatures up to around 1000°C (1832°F) without losing its mechanical properties.

Creep Resistance: 347H stainless steel has good creep strength, which is its ability to resist deformation over long periods of exposure to high temperatures. This makes it suitable for use in heat exchangers, furnace components, and other applications involving elevated temperatures.

Corrosion Resistance: Like other stainless steels, 347H exhibits corrosion resistance. It is particularly resistant to intergranular corrosion, making it suitable for applications where sensitization might be a concern.

Stabilized Alloy: The addition of niobium (columbium) in 347H stainless steel helps prevent sensitization and intergranular corrosion during welding and high-temperature exposure, making it more suitable than its non-stabilized counterpart, 347.

Weldability: 347H stainless steel has good weldability when proper welding techniques are used. It can be welded using common methods like TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas).

Chemical Compatibility: The alloy's chemical composition makes it compatible with a wide range of process fluids, including acids and alkalis.

Disadvantages of 347H Steel Pipes:

Cost: Compared to standard austenitic stainless steels like 304 or 316, 347H stainless steel can be more expensive due to its higher alloy content, especially niobium.

Limited Usage in Low Temperatures: While 347H performs well at high temperatures, it may not exhibit the same toughness at very low temperatures as some other stainless steel grades.

Forming and Machining: Due to its higher strength and hardness, 347H can be more challenging to form and machine compared to lower-strength stainless steels.

Applications: While 347H is specifically designed for high-temperature applications, it might not be the best choice for general-purpose use due to its higher cost and potential overengineering.

Sensitivity to Certain Environments: While 347H is resistant to intergranular corrosion, it might still be susceptible to corrosion in certain aggressive environments, so proper material selection is crucial.

FAQ:

Q: How long is your delivery time?
A: It is according to quantity. Generally it is 30 days.

Q: Can you provide us sample, is it free or need to pay?
A: If you don’t need to print your logo or other artwork on the products, we will not charge any cost, just tell us your freight collect account like Fedex, DHL, TNT. If you don’t have, we need to charge Express fee properly.

Q: Can I get your best price?

A: Our goal is to provide you the best price with great quality assured in a long run. Please leave your contact information for the best quotations, we will get back to you with the best solutions as soon as we can.

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