Mechanical Seamless Steel Tube 7-inch OD 20mm Thick
Seamless non-alloy steel tube, 177.8 mm OD (just over 190.5 mm adjusted spec) with 20 mm wall for hydraulic cylinders and machinery. Under HTS 7304.39.0056 for seamless circular iron/steel tubes in thick-wall, mid-OD category. Used in heavy equipment manufacturing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If outside diameter ≤114.3 mm
Precision mechanical tubes under smaller OD have separate headings.
If welded construction
Welded mechanical tubes of non-alloy steel under 7306.30.
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Import Tips & Compliance
• Ensure no internal honing if declaring as unfinished tube; customs may require ID measurement
• Common issue: alloy content over limits—test certs essential
• Declare as 'other' not line pipe
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