市场消息：美国商务部启动有关钢铁和铝产品的第232条程序，该程序允许美国制造商、贸易协会根据第232条钢铁和铝关税要求纳入新的衍生品条款。

Core Viewpoint - The U.S. Department of Commerce has initiated the Section 232 process regarding steel and aluminum products, allowing U.S. manufacturers and trade associations to include new derivative provisions under the Section 232 tariffs for steel and aluminum [1] Group 1 - The Section 232 program enables the inclusion of new derivative provisions, which could impact the pricing and availability of steel and aluminum products in the U.S. market [1] - This move reflects ongoing efforts to protect domestic industries from foreign competition and ensure national security [1]