Seamless Refrigeration Pipe 9-inch OD 18.5mm WT
Heavy wall seamless pipe for industrial refrigeration systems, 228.6 mm OD, 18.5 mm thick. HTS 7304.39.0052 for non-alloy seamless circular profile. Ammonia-compatible construction.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless steel version
Iron/steel chapter splits stainless to 7309 for all seamless tubes.
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Import Tips & Compliance
• Refrigerant compatibility certs (ASHRAE standards)
• Pressure rating calculations provided
• Avoid pressure tube misclassification with service docs
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