Cold-Rolled Backup Steel for Battery Casings from China

Ultra-thin 0.3mm cold-rolled low-carbon steel for EV battery tray backup sheets, 1100mm width. HTS 7209.90.00.00 covers other uncoated cold-rolled nonalloy flat products ≥600mm. Provides structural reinforcement in battery packs.

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

Battery applications often require ISO 3574 certification for commercial quality

Ensure hydrogen embrittlement-free processing for thin gauges documented

Distinguish from stainless (Chapter 72 alloy) or aluminum (Chapter 76)