PSC Code 3431 encompasses Electric Arc Welding Equipment used in various federal government applications. This includes machines designed for gas shielded arc welding, arc bonding processes, as well as semi-automatic and automatic arc welding systems. These welding machines are integral to manufacturing, maintenance, and repair functions requiring precision and efficiency in metal joining operations. Government agencies utilize this equipment in sectors ranging from construction and infrastructure maintenance to defense and aerospace manufacturing. The equipment covered under this PSC is distinct from welding consumables and auxiliary devices, focusing strictly on the machinery used to perform electric arc welding.

Includes for PSC 3431

This PSC code covers the following products and services:

Gas Shielded Arc Welding Machines; Arc Bonding Machines; Semi-Automatic and Automatic Arc Welding Machines.

Excludes for PSC 3431

This PSC code does NOT cover the following:

Welding Supplies, and Associated Equipment such as: Flux Recovery Machines; Flux Dispensers; Tacker Panels; Welding Panels.

Typical Buyers & Agencies for PSC 3431

Federal agencies involved in infrastructure, defense, aerospace, and manufacturing commonly procure under PSC 3431. Agencies such as the Department of Defense, General Services Administration, and Department of Transportation are typical buyers, requiring electric arc welding equipment for maintenance of facilities, vehicles, aircraft, and other metal structures. These agencies rely on durable and reliable welding machines to support critical repair and construction projects, ensuring operational readiness and compliance with safety standards.

Common Contract Types for PSC 3431

Procurements under PSC 3431 often utilize firm-fixed-price and indefinite-delivery/indefinite-quantity (IDIQ) contracts to acquire electric arc welding equipment. Small business set-asides and competitive sealed bidding are common procurement methods, reflecting the availability of specialized manufacturers. Contract values vary depending on the scale and sophistication of the equipment, with larger contracts typically supporting extensive fleet or facility maintenance programs. Leasing and maintenance service contracts may also complement equipment purchases.

Plain-Language Breakdown for PSC 3431

Covers electric arc welding machines including gas shielded, arc bonding, semi-automatic, and automatic types.
Excludes welding consumables and auxiliary equipment such as flux dispensers and welding panels.
Commonly procured by defense, transportation, and infrastructure agencies for maintenance and manufacturing.
Contracts frequently use firm-fixed-price and IDIQ vehicles with competitive bidding and small business considerations.
Closely associated with NAICS codes 333992 and 332710 for manufacturing, and 811310 for maintenance services.
Essential for government projects requiring reliable and precise metal joining solutions.

Related Categories for PSC 3431

Other categories at the same level as 3431

3405 SAWS AND FILING MACHINES

Saws and Filing Machines

3408 MACHINING CENTERS AND WAY-TYPE MACHINES

Machining Centers and Way-Type Machines

3410 ELECTRICAL AND ULTRASONIC EROSION MACHINES

Electrical and Ultrasonic Erosion Machines

3411 BORING MACHINES

Boring Machines.

3412 BROACHING MACHINES

Broaching Machines

3413 DRILLING AND TAPPING MACHINES

Drilling and Tapping Machines

3414 GEAR CUTTING AND FINISHING MACHINES

Gear Cutting and Finishing Machines

3415 GRINDING MACHINES

Grinding Machines

3416 LATHES

Lathes

3417 MILLING MACHINES

Milling Machines

3418 PLANERS AND SHAPERS

Planers and Shapers

3419 MISCELLANEOUS MACHINE TOOLS

Miscellaneous Machine Tools

3422 ROLLING MILLS AND DRAWING MACHINES

Rolling Mills and Drawing Machines

3424 METAL HEAT TREATING AND NON-THERMAL TREATING EQUIPMENT

Metal Heat Treating and Non-Thermal Treating Equipment

3426 METAL FINISHING EQUIPMENT

Metal Finishing Equipment

3432 ELECTRIC RESISTANCE WELDING EQUIPMENT

Electric Resistance Welding Equipment

3433 GAS WELDING, HEAT CUTTING, AND METALIZING EQUIPMENT

Gas Welding, Heat Cutting, and Metalizing Equipment

3436 WELDING POSITIONERS AND MANIPULATORS

Welding Positioners and Manipulators

3438 MISCELLANEOUS WELDING EQUIPMENT

Miscellaneous Welding Equipment

3439 MISCELLANEOUS WELDING, SOLDERING, AND BRAZING SUPPLIES AND ACCESSORIES

Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories

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