SIC 3321—Gray and Ductile Iron Foundries

Where 3321 sits

1. D Manufacturing
2. 33 Primary Metal Industries
3. 332 Iron and Steel Foundries
4. 3321 Gray and Ductile Iron Foundries

Description

Establishments primarily engaged in manufacturing gray and ductile iron castings, including cast iron pressure and soil pipes and fittings.

What 3321 includes

6-digit codes

• 332100 — Gray and Ductile Iron Foundries
• 332101 — Cast Iron Pipe and Fittings
• 332199 — Gray and Ductile Iron Foundries, NEC

8-digit codes

• 33210000 — Gray and ductile iron foundries
• 33210100 — Cast iron pipe and fittings
• 33210101 — Pressure pipe and fittings, cast iron
• 33210102 — Sewer pipe, cast iron
• 33210103 — Soil pipe and fittings: cast iron
• 33210104 — Water pipe, cast iron
• 33219900 — Gray and ductile iron foundries, nec
• 33219901 — Cooking utensils, cast iron
• 33219902 — Ductile iron castings
• 33219903 — Gray iron castings, nec
• 33219904 — Gray iron ingot molds, cast
• 33219905 — Manhole covers, metal
• 33219906 — Railroad car wheels and brake shoes, cast iron
• 33219907 — Rolling mill rolls, cast iron

Example activities

• brake shoes, railroad: cast iron
• car wheels, railroad: chilled cast iron
• castings, compacted graphite iron
• castings, gray iron and semisteel
• cooking utensils, cast iron
• couplings, pipe: pressure and soil pipecast iron
• ductile iron castings
• elbows, pipe: pressure and soil pipecast iron
• fittings, soil and pressure pipe: cast iron
• foundries, gray iron and semisteel
• gas pipe, cast iron
• gray iron foundries
• ingot molds and stools
• manhole covers, metal
• nipples, pipe: pressure and soil pipe-cast iron
• nodular iron castings
• pipe and fittings, soil and pressure: cast iron
• railroad car wheels, chilled cast iron
• rolling mill rolls, iron: not machined
• sash balances, cast iron
• sewer pipe, cast iron
• water pipe, cast iron

3321 in other systems