NAICS 332811 - Metal Heat Treating
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What is NAICS 332811
NAICS code 332811 covers establishments primarily engaged in metal heat treating processes including annealing, tempering, brazing, and cryogenic treatment of metals and metal products. These specialized thermal and chemical treatments alter the physical and sometimes chemical properties of metals to enhance hardness, strength, ductility, and resistance to wear and corrosion. Businesses operating in this sector range from small specialized shops to larger industrial service providers supporting manufacturing, aerospace, defense, and automotive industries. Government agencies contract these services to ensure that metal components meet stringent performance specifications and durability requirements critical for mission success and safety. Heat treating enhances metal quality and extends the lifecycle of parts used in critical infrastructure, military equipment, and aerospace components, making it a vital service in government procurement.
Industry Classification for NAICS 332811
This U.S. industry comprises establishments primarily engaged in heat treating, such as annealing, tempering, and brazing, and cryogenically treating metals and metal products for the trade.
Breakdown for NAICS 332811
- Covers metal heat treating processes including annealing, tempering, brazing, and cryogenic treatment.
- Includes establishments that treat both raw metals and finished metal products for enhanced properties.
- Applies to industries such as aerospace, defense, automotive, and energy manufacturing.
- Small to large business sizes with capability to meet strict quality and technical standards.
- Supports government contracts requiring durable, reliable metal components for critical applications.
Included Activities for NAICS 332811
- Annealing metals to reduce hardness and improve ductility.
- Tempering steel to increase toughness after hardening.
- Brazing metal parts to join components with a filler metal.
- Cryogenically treating metals to improve wear resistance and strength.
- Conducting quality inspections and metallurgical testing post-treatment.
- Customizing heat treatment cycles to meet client specifications.
- Maintaining compliance with industry certifications like NADCAP.
- Providing repair and maintenance heat treating services for government equipment.
Business Types for NAICS 332811
- Specialized metal heat treating shops
- Industrial metal fabrication service providers
- Aerospace and defense subcontractors
- Small and medium manufacturing enterprises
- Metal component repair and maintenance firms
- Cryogenic treatment specialists
Subcategories for NAICS 332811
- Annealing metals and metal products for the trade
- Brazing (i.e., hardening) metals and metal products for the trade
- Burning metals and metal products for the trade
- Cold treating metals for the trade
- Cryogenic treating metals for the trade
- Hardening (i.e., heat treating) metals and metal products for the trade
- Heat treating metals and metal products for the trade
- Shot peening metal and metal products for the trade
- Tempering metals and metal products for the trade
Government Buyers for NAICS 332811
Government agencies such as the Department of Defense, NASA, the Department of Energy, and the General Services Administration frequently procure metal heat treating services. These agencies require heat-treated metal components for weapons systems, aerospace hardware, energy infrastructure, and other critical applications where reliability and performance are paramount. The military, in particular, needs these services to enhance the durability of armor, engine parts, and structural components. Additionally, agencies involved in research and development contract heat treating to develop and test new materials with specific mechanical properties. Consequently, these agencies seek experienced contractors capable of meeting precise technical standards and quality assurance requirements.
Contract Types & Procurement for NAICS 332811
Contracts for metal heat treating services often include firm-fixed-price, indefinite delivery indefinite quantity (IDIQ), and task order contracts. Procurement methods range from competitive sealed bidding to negotiated contracts, depending on the complexity and urgency of requirements. Contract values vary widely based on the scope, volume, and technical specifications, typically ranging from small orders under $50,000 to multi-million dollar contracts for large-scale or classified projects. Long-term service agreements or blanket purchase agreements (BPAs) are common for ongoing maintenance and production support. Contractors must demonstrate compliance with quality standards such as NADCAP accreditation and be prepared for rigorous inspection and testing protocols.
Details for NAICS 332811
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