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TP347H 1.4912 X7CrNiNb18-10 S34709 SEAMLESS STEEL PIPE AND TUBES

Seamless Stainless Steel 347H Pipe

Seamless Stainless Steel 347H Pipe features a niobium-stabilized austenitic alloy engineered for high-temperature service. This stabilization provides excellent resistance to intergranular corrosion and ensures high strength and outstanding oxidation resistance in elevated temperature applications.

① STANDARD: ASTM A213/ ASTM A312/ ASTM A249/ ASTM A269/ GOST 9940 /GOST 9941...
② OD RANGE : 6-1016 MM
③ THICKNESS RANGE: 1-65 MM

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Chemical Composition

Applications

Seamless Stainless Steel 347H Pipe features a niobium-stabilized austenitic alloy engineered for high-temperature service. This stabilization provides excellent resistance to intergranular corrosion and ensures high strength and outstanding oxidation resistance in elevated temperature applications.

Grade	C	Cr	Ni	Mn	P	S	Si	Other
347	≤0.08	17.00-19.00	9.00-13.00	≤2.00	≤0.045	≤0.030	≤1.00	1>Nb≥10*C%
347H	0.04-0.10	17.00-19.00	9.00-13.00	≤2.00	≤0.045	≤0.030	≤1.00	1>Nb≥8*C%

High-Quality Material Composition

Chrome-Nickel Alloy: TP347H is a high-quality stainless steel alloy, containing chromium and nickel, which provides excellent corrosion resistance and high-temperature strength.
Titanium and Niobium: The addition of titanium and niobium enhances the material’s resistance to intergranular corrosion, making it suitable for severe environmental conditions.

Seamless Construction for Enhanced Performance

Seamless Design: Our pipes and tubes are manufactured using a seamless process, ensuring a uniform structure without weak points, which is critical for high-pressure applications.
Improved Strength: The seamless construction results in higher tensile strength and better resistance to mechanical stress.

Versatility in Industrial Applications

Petroleum Industry: Ideal for use in refineries and oil rigs where corrosion resistance and high-temperature performance are essential.
Chemical Processing: Suited for chemical plants and processing units where materials are exposed to aggressive substances.

High-Temperature Resistance

Heat Resistance: TP347H maintains its mechanical properties at high temperatures, making it suitable for boiler tubes, superheaters, and reheaters in power generation.
Creep Resistance: The material’s excellent creep resistance ensures reliability over extended periods in high-temperature service.

Corrosion Resistance

General Corrosion: Offers excellent resistance to general corrosion in a wide range of environments.
Pitting and Crevice Corrosion: The alloy’s composition provides good resistance to pitting and crevice corrosion, extending the service life of the equipment.

Xintongda Special Steel’s ASME SA213 TP347H 1.4912 X7CrNiNb18-10 Seamless Steel Pipe And Tubes are engineered to meet the stringent requirements of various industries. Trust in our products for reliable, durable, and high-performance solutions in your industrial applications.

Boiler Tubes and Casings

Critical Performance: Our TP347H seamless steel pipes and tubes are ideal for boiler tubes and casings, where high-temperature strength and corrosion resistance are paramount. They ensure reliable operation and extended service life in demanding boiler environments.

Oil and Gas Refinery Piping

Corrosion Resistance: In the oil and gas industry, TP347H pipes are used for refinery piping due to their excellent resistance to corrosion from a wide range of chemicals and gases, ensuring the integrity of the piping system.

Radiant Superheaters

Heat Transfer Efficiency: These seamless pipes are commonly used in radiant superheaters, where they enhance heat transfer efficiency while withstanding the high temperatures and potential corrosion.

High-Pressure Steam Pipes

Strength and Durability: For high-pressure steam pipes, TP347H offers the necessary strength and durability to handle the extreme conditions, ensuring safe and efficient operation.

Heat Exchanger Tubes

Optimal Performance: In heat exchangers, these tubes provide optimal performance due to their ability to withstand high temperatures and resist corrosion, which is crucial for maintaining the efficiency of the heat exchange process.

Cabin Heaters

Safety and Reliability: Cabin heaters in aircraft and other vehicles benefit from the use of TP347H tubes, which provide safe and reliable heat without the risk of corrosion or failure.

Heavy Wall-Welded Equipment

Structural Integrity: For heavy wall-welded equipment, TP347H seamless pipes ensure structural integrity and resistance to high mechanical stresses, making them suitable for demanding industrial applications.

Aircraft Exhaust Stacks and Collector Rings

High-Temperature Resistance: The high-temperature resistance and strength of TP347H make it an excellent choice for aircraft exhaust stacks and collector rings, where materials need to withstand extreme conditions.

Chemical Production Equipment

Chemical Compatibility: In chemical production, TP347H seamless steel pipes and tubes are used due to their excellent resistance to a wide range of chemicals, ensuring the equipment’s longevity and reliability.

Xintongda Special Steel’s ASME SA213 TP347H 1.4912 X7CrNiNb18-10 Seamless Steel Pipe And Tubes are designed to meet the specific needs of various industries, providing a durable and efficient solution for a wide range of applications. Trust in our products to enhance the performance and safety of your industrial processes.