31-33 Manufacturing

332111 Iron and Steel Forging

This industry comprises establishments primarily engaged in manufacturing iron and steel forgings from purchased iron and steel by hammering mill shapes. Establishments making iron and steel forgings and further manufacturing (e.g., machining, assembling) a specific manufactured product are classified in the industry of the finished product. Iron and steel forging establishments may perform surface finishing operations, such as cleaning and deburring, on the forgings they manufacture.

Manufacturing iron and steel forgings in integrated iron and steel mills are classified in Industry 331110, Iron and Steel Mills and Ferroalloy Manufacturing.

Manufacturing nonferrous forgings are classified in U.S. Industry 332112, Nonferrous Forging.

332112 Nonferrous Forging

This industry comprises establishments primarily engaged in manufacturing nonferrous forgings from purchased nonferrous metals by hammering mill shapes. Establishments making nonferrous forgings and further manufacturing (e.g., machining, assembling) a specific manufactured product are classified in the industry of the finished product. Nonferrous forging establishments may perform surface finishing operations, such as cleaning and deburring, on the forgings they manufacture.

Manufacturing iron and steel forgings are classified in U.S. Industry 332111, Iron and Steel Forging.

Manufacturing nonferrous forgings in integrated primary or secondary nonferrous metal production facilities are classified in Subsector 331, Primary Metal Manufacturing.

332114 Custom Roll Forming

This industry comprises establishments primarily engaged in custom roll forming metal products by use of rotary motion of rolls with various contours to bend or shape the products.

Establishments primarily engaged in manufacturing and installing roll formed seamless gutters at construction sites are classified in Industry 238170, Siding Contractors.

332117 Powder Metallurgy Part Manufacturing

332119 Metal Crown, Closure, and Other Metal Stamping

This industry comprises establishments primarily engaged in (1) stamping metal crowns and closures, such as bottle caps and home canning lids and rings, and/or (2) manufacturing other unfinished metal stampings and spinning unfinished metal products (except automotive, cans, and coins). Establishments making metal stampings and metal spun products and further manufacturing (e.g., machining, assembling) a specific product are classified in the industry of the finished product. Metal stamping and metal spun products establishments may perform surface finishing operations, such as cleaning and deburring, on the products they manufacture.

Manufacturing automotive stampings are classified in Industry 336370, Motor Vehicle Metal Stamping;

Manufacturing metal cans are classified in U.S. Industry 332431, Metal Can Manufacturing.

Stamping coins are classified in Industry 339910, Jewelry and Silverware Manufacturing.