7228.50.50.40/4145 QT Alloy Steel Cold Bar 140 mm Round/Mexico

4145 QT Alloy Steel Cold Bar 140 mm Round from Mexico

4145 quenched-and-tempered alloy steel bar, cold-finished 140 mm diameter for drill collars and heavy shafts. HTS 7228.50.5040 applies to cold-formed alloy bars 76-228 mm, not further worked despite QT condition. Alloy via Cr-Mo content.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• QT heat treatment allowed if surface remains cold-finished only, not machined

• Certify 4145 chemistry distinctly from 4140 for proper alloy identification

• Oilfield applications may trigger special documentation requirements

4145 QT Alloy Steel Cold Bar 140 mm Round from Mexico — Import Duty Rate | HTS 7228.50.50.40