Grade 50W Weathering Steel Plate
Hot-rolled Grade 50W high-strength low-alloy weathering steel plate, 18 mm thick, 1800 mm width, not further worked. Yield strength 50 ksi (345 MPa) qualifies as high-strength steel; atmospheric corrosion resistance from copper addition but remains nonalloy steel.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If identifiable as alloy steel (total alloys ≥2%)
Weathering steels with higher alloy content for corrosion resistance classify as alloy under 7210
If thickness 10 mm or less but >4 mm
Thinner high-strength plates use sequential statistical suffixes within 7208.51
If fabricated into structural shapes rather than flat plate
Fabricated steel structures/assemblies move to Chapter 73 heading 7308
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Import Tips & Compliance
• Verify total alloy content <2% to remain nonalloy steel; weathering elements like Cu/P don't change classification
• Document hot-rolling process and absence of post-rolling treatments to prevent 7211 reclassification
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