Official-source tariff data · 2026 HTS Rev 19 · synced · Operational
SkuWatch tariff intelligence
AD/CVD measure · effective 2010-11-10

Seamless Carbon And Alloy Steel Standard, Line, And Pressure Pipe — China — A-570-956

ITA AD/CVD · Final action · CN

Plain-language explainer

Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.

This is an antidumping and countervailing duty (AD/CVD) measure covering certain seamless carbon and alloy steel standard, line, and pressure pipe. “Seamless” generally means the pipe is made without a welded seam. The product scope may depend on technical details such as steel chemistry, dimensions, manufacturing method, end use, and whether the item is standard, line, or pressure pipe.

Antidumping duties address imports that are sold in the United States at less than fair value, while countervailing duties address certain government subsidies received by foreign producers or exporters. The measure typically affects foreign manufacturers and exporters, US importers of record, and sometimes other parties involved in the transaction. It matters because an importer may have to provide additional duty deposits and may remain responsible for duties determined later through administrative review, even when the tariff classification appears to describe the goods.

What to check

Basis AD/CVD
Origin China
Current legal effect Final action
Lifecycle Final adopted
Effective date 2010-11-10
Last verified 2026-09-22

Legal basis

ADCVD

Open official source

Identity & verification

This record is identified by official case A-570-956 and origin China. Collected 2026-09-22. Last confirmed in the official ITA data on 2026-09-22.

Affected HTS entries

No explicit linked HTS code list is available in this snapshot record.

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