42CrMo4 Seamless Boiler Tube
Seamless tube of 42CrMo4 alloy steel for high-pressure boiler applications, 75 mm OD and 10 mm wall thickness. Classified under HTS 7304.59.80.20 due to its seamless construction, alloy steel composition, and specified dimensions. Meets European standards for pressure equipment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of carbon steel rather than alloy
Carbon steel seamless tubes (C<0.3%) use 7304.51; alloying elements push to 7304.59.
If imported as finished boiler component
Tubes specifically shaped/manufactured for boilers may classify as parts of boilers in 8411.
If OD exceeds 114.3 mm
Larger diameters shift to 7304.59.60.80 subheading.
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Import Tips & Compliance
• Include EN 10216-2 certification for boiler tube standards to support classification
• Avoid common pitfall of declaring as carbon steel; alloy content >1.5% total requires 7304.59
• Document hydrostatic test results as evidence of pressure vessel end-use compliance
Related Products under HTS 7304.59.80.20
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