4145M Modified Alloy Steel Hex Rod
4145M modified Cr-Mo alloy steel hexagonal rod (35 mm flats), hot-drawn for oilfield tools. HTS 7228.30.80.15 applies to hot-drawn alloy bars <76 mm cross-section, other than specified exclusions.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If larger cross-section >=76 mm
Size-based subheading split within hot-rolled alloy bars
If made into tubes/pipes
Fabrication into tubular products changes to Chapter 73
Not sure which classification is right?
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Import Tips & Compliance
• Distinguish hot-drawn from cold-drawn; only hot qualifies here,Hex measurement across flats for cross-section determination,Oilfield end-use docs may trigger special quotas if applicable
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