Alloy Steel Boiler Tube 50mm OD
Seamless tube made from alloy steel, with an outside diameter of 50 mm, designed specifically for use in high-pressure boilers. It meets the criteria for tubes suitable for boilers due to its seamless construction and material properties that withstand extreme temperatures and pressures. The OD falls within 38.1 mm to 114.3 mm as specified in HTS 7304.59.20.45.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of stainless steel
Stainless steel variants fall under 7304.31 for cold-drawn seamless tubes suitable for boilers, differing by base material composition.
If welded rather than seamless
Welded alloy steel tubes for boilers are classified under Chapter 73 heading 7306, based on manufacturing process.
If OD exceeds 114.3 mm
Larger diameter seamless alloy steel tubes suitable for boilers shift to other size subheadings within 7304.59.
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Import Tips & Compliance
• Obtain mill test certificates confirming seamless construction, alloy steel composition, and suitability for boiler use to satisfy customs requirements
• Ensure accurate measurement documentation for OD (38.1-114.3 mm) and provide evidence of intended use in boilers or heat exchangers
• Avoid misclassification by distinguishing from welded tubes; common pitfall is incorrect diameter reporting leading to reclassification
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