Silico-Manganese Steel Welding Wire from China

A high-strength welding wire made from silico-manganese alloy steel, used in MIG and TIG welding applications for structural fabrication. It falls under HTS 7229.20.00.90 as wire of silico-manganese steel, not cold-formed or cold-headed, meeting the chapter's alloy steel definitions. The silicon and manganese content enhances deoxidation and strength during welding.

Duty Rate — China → United States

35%

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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

Verify chemical composition certification showing silicon >0.5% and manganese >1% to confirm silico-manganese classification; obtain mill test reports for alloy content; avoid misclassification as stainless by ensuring chromium <10.5%