Primary Metals

SIC 3312 Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills - Description, Market Prospects, Industry History

The first steel mill in North America was built in the 1600s, making the industry one of the oldest in the country. During much of the twentieth century the steel industry served as the measure of the U.S.

SIC 3313 Electrometallurgical Products, Except Steel - Description, Market Prospects, Industry History

SIC 3315 Steel Wiredrawing and Steel Nails and Spikes - Description, Market Prospects, Industry History

This category covers establishments primarily engaged in drawing wire from purchased iron or steel rods, bars, or wire, as well as those which may be engaged in the further manufacture of products made from wire. Establishments primarily engaged in manufacturing steel nails and spikes from purchased materials are also included in this industry.

SIC 3316 Cold Finishing of Steel Shapes - Description, Market Prospects, Industry History

The demand for cold finished steel comes primarily from the automotive, aerospace, construction, housing, and home appliance industries.

SIC 3317 Steel Pipe and Tubes - Description, Market Prospects, Industry History

SIC 3321 Gray and Ductile Iron Foundries - Description, Market Prospects, Industry History

This classification covers establishments primarily engaged in manufacturing gray and ductile iron castings, including cast iron pressure and soil pipes and fittings.

SIC 3322 Malleable Iron Foundries - Description, Market Prospects, Industry History

This industry is made up of establishments primarily engaged in the manufacturing of malleable iron castings.

SIC 3324 Steel Investment Foundries - Description, Market Prospects, Industry History

This classification covers establishments primarily engaged in manufacturing steel investment foundries.

SIC 3325 Steel Foundries, Not Elsewhere Classified - Description, Market Prospects, Industry History

This classification covers establishments primarily engaged in manufacturing steel castings, not elsewhere classified.

SIC 3331 Primary Smelting and Refining of Copper - Description, Market Prospects, Industry History

Copper has excellent properties that make it useful to many industries. As a base metal, copper is used both alone and in alloyed combinations with other metals.

SIC 3334 Primary Production of Aluminum - Description, Market Prospects, Industry History

With global production of 32 million metric tons in 2001, aluminum is the world's second most used metal, following steel. Divided into product groups, the aluminum industry comprises three distinct segments: primary aluminum manufacturers, semi-fabricated aluminum manufacturers, and secondary, or scrap aluminum manufacturers.

SIC 3339 Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum - Description, Market Prospects, Industry History

This classification covers establishments primarily engaged in smelting and refining nonferrous metals, except copper and aluminum. Establishments primarily engaged in rolling, drawing, and extruding these nonferrous primary metals are classified in SIC 3356: Rolling, Drawing, and Extruding of Nonferrous Metals, Except Copper and Aluminum, and the production of bullion at the site of the mine is classified in various mining classifications.

SIC 3341 Secondary Smelting and Refining of Nonferrous Metals - Description, Market Prospects, Industry History

SIC 3351 Rolling, Drawing, and Extruding of Copper - Description, Market Prospects, Industry History

This industry consists of establishments that roll, draw, or extrude copper, brass, bronze, and other copperbased alloys. These establishments create basic shapes such as plate, sheet, strip, bar, and tubing.

SIC 3353 Aluminum Sheet, Plate, and Foil - Description, Market Prospects, Industry History

This classification covers establishments primarily engaged in flat rolling aluminum and aluminum-alloy basic shapes, such as sheet, plate, and foil, including establishments producing welded tube. Also included are establishments primarily producing similar products by continuous casting.

SIC 3354 Aluminum Extruded Products - Description, Market Prospects, Industry History

This classification covers establishments primarily engaged in extruding aluminum and aluminum-based alloy basic shapes, such as rod and bar, pipe and tube, and tube blooms, including establishments producing tube by drawing.

SIC 3355 Aluminum Rolling and Drawing, Not Elsewhere Classified - Description, Market Prospects, Industry History

Overall, the domestic aluminum industry struggled with waning industry shipments in the late 1990s and early 2000s. According to the Aluminum Association, a global surplus of 558,000 metric tons of primary aluminum was expected to exist by 2003.

SIC 3356 Rolling, Drawing, and Extruding of Nonferrous Metals, Except Copper and Aluminum - Description, Market Prospects, Industry History

SIC 3357 Drawing and Insulating of Nonferrous Wire - Description, Market Prospects, Industry History

SIC 3363 Aluminum Die-Castings - Description, Market Prospects, Industry History

This classification is comprised of establishments primarily engaged in manufacturing die-castings of aluminum (including alloys).

SIC 3364 Nonferrous Die-Castings Except Aluminum - Description, Market Prospects, Industry History

According to the U.S. Census Bureau, 278 establishments operated in this category in the late 1990s.

SIC 3365 Aluminum Foundries - Description, Market Prospects, Industry History

Aluminum foundries create castings by pouring heated, liquefied metal into hollowed-out molds. As the molten metal cools, it hardens and assumes the shape created by the mold's cavity.

SIC 3366 Copper Foundries - Description, Market Prospects, Industry History

This industry consists of companies primarily engaged in manufacturing copper and copper-alloy castings, except die-castings. Establishments that produce copper castings and also are engaged in fabricating operations for a specific product are classified in the industry of the specific product.

SIC 3369 Nonferrous Foundries, Except Aluminum and Copper - Description, Market Prospects, Industry History

This industry includes establishments primarily engaged in manufacturing nonferrous metal castings, including alloys, except aluminum and copper castings and all die-castings.

SIC 3398 Metal Heat Treating - Description, Market Prospects, Industry History

This category covers establishments primarily engaged in heat treating of metal for the trade.

SIC 3399 Primary Metal Products, Not Elsewhere Classified - Description, Market Prospects, Industry History

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