9Cr1Mo Alloy Steel Boiler Tube
Seamless 9Cr-1Mo (P9 grade) alloy steel tube for high-temperature boiler service, 168 mm OD, 10.3 mm wall. Classifies under HTS 7304.59.80.30 as other alloy steel seamless tube.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If austenitic stainless steel grade
Stainless boiler tubes have dedicated subheading regardless of alloy type.
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Import Tips & Compliance
• ASME SA-335 P9 certificate with normalized+ tempered heat treatment proof
• Hydrotest pressure records mandatory for pressure tube acceptance
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