High-Pressure Boiler Seamless Pipe Grade P11
Seamless non-alloy steel pipe with OD >285.8 mm for high-pressure boilers and superheaters. Meets all criteria for HTS 7304.39.0008: iron/non-alloy, seamless, circular, large diameter, and boiler-suited.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If welded and other alloy steel
Welded alloy pipes for boilers classify under 7306.30.
If cold-drawn with OD <=114.3 mm
Smaller cold-formed tubes have dedicated provisions.
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Import Tips & Compliance
• Include NDT (non-destructive testing) reports for weld-free assurance
• Specify 'not for potable water' if applicable to prevent miscoding
• Customs may request end-user letters for large industrial imports
Related Products under HTS 7304.39.00.08
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Large seamless non-alloy tube for ethylene cracking furnaces, OD >285.8 mm. HTS 7304.39.0008 via refining furnace provision.
Boiler Economizer Seamless Tube
Seamless tube >285.8 mm for boiler economizers (feedwater heaters). Matches 7304.39.0008 specs fully.
Steel Superheater Coils Pipe
Straight seamless non-alloy pipe >285.8 mm OD for superheater coils. 7304.39.0008 classification.
Seamless Boiler Tube ASTM A106 Grade B
This seamless carbon steel tube is designed for high-pressure boiler applications, featuring an outside diameter over 285.8 mm and circular cross-section. It falls under HTS 7304.39.0008 due to its seamless construction from non-alloy steel, suitability for boilers, and large diameter exceeding 11.25 inches. Commonly used in power plants for steam generation.
Large Diameter Superheater Tube SA-213 T11
Seamless tube from non-alloy steel for superheaters in industrial boilers, with OD exceeding 285.8 mm. Classified under 7304.39.0008 for its circular cross-section, seamless iron/non-alloy steel makeup, and explicit suitability for superheaters. Ideal for high-temperature steam applications in energy production.
Heat Exchanger Seamless Pipe API 5L X52
High-strength seamless non-alloy steel pipe with OD over 285.8 mm, engineered for heat exchangers in refining processes. Meets HTS 7304.39.0008 criteria: seamless, circular, iron/non-alloy steel, and suitable for heat exchangers/condensers. Used in petrochemical plants for efficient heat transfer.