🟡 BRASS
Brass Bar, Fittings, and Precision Machining in El Paso, TX
Brass is the metal El Paso shops reach for when they need to make a lot of small precise parts fast. The free-machining grade C360 is the reason brass is a screw-machine favorite, turning out fittings, valve bodies, and fasteners at speeds no steel can match. Alongside it, formable cartridge brass C260 handles deep-drawn and stamped parts, and naval brass adds the corrosion resistance needed for marine and saltwater-adjacent service. For high-volume turned and formed parts, the right brass grade is often the difference between a profitable job and a slow one.
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C360: The Free-Machining Standard
C360, free-cutting brass, is the workhorse of El Paso's high-volume machining shops, and for good reason. With a small lead addition that breaks chips cleanly, it has a machinability rating set as the benchmark at 100 against which other metals are measured, meaning parts come off the machine fast, with excellent surface finish and minimal tool wear. For screw-machine and CNC-turned parts made in quantity, C360 is the default, and it dominates the fittings, fasteners, valve components, and connectors that flow through the border corridor.
The economics are the whole story with C360. Because it machines so fast, the per-part cost on a high-volume turned job drops well below what the same part would cost in steel or stainless, and the surface finish often eliminates secondary operations. This makes it the natural choice for automotive fittings, plumbing and gas components, and electrical hardware produced in the thousands.
There is a tradeoff to know: the lead that makes C360 machine so well also limits its use where lead content is restricted, such as certain potable-water and drinking-water applications under modern regulations. For those, low-lead or no-lead brass alternatives exist and must be specified deliberately. The buyer's takeaway: default to C360 for high-volume machined brass parts, but check lead-content regulations for the end application before committing, since potable-water and some consumer uses now require compliant grades.
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Forming, Drawing, and Corrosion Service
Not all brass parts are machined, and El Paso's stamping and forming work calls for different grades. C260, cartridge brass, is the high-formability grade, with the ductility to handle deep drawing, severe bending, and stamping without cracking. It's the choice for stamped terminals, drawn enclosures, ammunition cases, decorative hardware, and any part formed rather than cut. Its excellent cold-working behavior is exactly what C360's leaded composition lacks, so the two grades are complementary rather than interchangeable.
Where corrosion is the concern, particularly marine, saltwater, or brine-adjacent service, naval brass earns its place. By adding tin to the copper-zinc base, naval brass resists the dezincification that plagues ordinary brasses in saltwater, where zinc leaches out and leaves a weak porous structure. For marine fittings, valve components in corrosive water service, and hardware exposed to salt, naval brass holds up where C360 or C260 would degrade.
The practical guidance for El Paso buyers is to match the grade to the manufacturing process and environment. If the part is turned in volume, C360. If it's stamped, drawn, or deeply formed, C260. If it lives in saltwater or brine, naval brass. Mixing these up, such as trying to deep-draw leaded C360 or using plain brass in marine service, leads to cracked parts or premature corrosion failures that proper grade selection would have prevented entirely.
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Sourcing Brass in the Border Corridor
Brass sourcing in El Paso favors the high-volume machining grade. C360 bar in a wide range of diameters and hex sizes is the most readily available brass form, stocked locally or pulled quickly from regional service centers, which keeps screw-machine and CNC-turning lines fed. The strong machining capacity in the corridor, much of it geared toward producing small precise parts for automotive and electrical assembly, makes brass turning a natural local strength.
C260 sheet and strip for forming, and naval brass in bar and plate, are somewhat more specialized and may be scheduled buys depending on size and form, so programs using them should confirm availability and lead time rather than assuming shelf stock. As with other metals, the cross-border manufacturing capacity in Juarez offers cost advantages for high-volume commercial brass parts where total landed cost favors it, while fast-turn and lower-volume work often stays local for speed.
The lead-content question deserves a place in every brass sourcing decision now. For any part touching potable water or subject to consumer lead restrictions, confirm whether the application requires a low-lead or no-lead compliant grade before ordering standard C360, because retrofitting compliance after the fact is costly. The buyer's playbook: lean on local C360 availability for high-volume turned parts, schedule C260 and naval brass against firm needs, verify lead-content compliance for the end use, and require material certification for traceability.
Frequently Asked Questions
C360, free-cutting brass, is so widely used because it is the most machinable common metal available, which makes it ideal for the high-volume turned and screw-machine parts that El Paso shops produce for automotive, electrical, and fluid-system assembly. It contains a small lead addition that breaks chips cleanly during cutting, and its machinability is the industry benchmark, rated 100, the standard against which all other metals are measured. In practice this means parts come off the machine fast, with excellent surface finishes that often eliminate secondary finishing operations, and with minimal tool wear, all of which drives down the per-part cost on high-volume jobs well below what the same part would cost in steel or stainless. That economic advantage is why C360 dominates fittings, fasteners, valve bodies, connectors, and similar small precise parts made in the thousands. The one important caveat is lead content: the same lead that makes C360 machine so beautifully restricts its use in potable-water and certain consumer applications under modern lead regulations, where low-lead or no-lead alternatives must be specified instead. For non-potable, non-restricted high-volume machined parts, though, C360 remains the economical default and a genuine strength of the El Paso machining base.
C360 and C260 are both brasses but are optimized for opposite manufacturing processes, and they are not interchangeable. C360, free-cutting brass, contains a lead addition that makes it the most machinable common metal, perfect for parts that are turned, drilled, and cut on screw machines and lathes in high volume, such as fittings, fasteners, and valve components. That same lead, however, makes C360 brittle when you try to bend or draw it, so it's a poor choice for formed parts. C260, cartridge brass, is the opposite: it has excellent ductility and cold-working behavior, which lets it be deep-drawn, severely bent, and stamped without cracking, making it the right choice for stamped terminals, drawn enclosures, ammunition cases, and formed hardware. It does not machine nearly as well as C360. The practical decision rule follows the manufacturing process: if the part is primarily machined or turned, use C360, and if it's primarily formed, drawn, or stamped, use C260. Trying to use the wrong one, such as deep-drawing leaded C360, results in cracked parts, while machining large amounts of material from C260 is slow and inefficient. For El Paso buyers, matching the grade to whether the part is cut or formed is the key, and many product families use both grades for different components.
Naval brass is the right choice when a brass part will be exposed to marine, saltwater, or brine environments where ordinary brasses would suffer dezincification. Dezincification is a corrosion process in which the zinc in standard copper-zinc brass leaches out, leaving behind a weak, porous, copper-rich structure that loses strength and can fail, and it's a common and serious problem for plain brasses like C360 and C260 in saltwater service. Naval brass addresses this by adding tin to the copper-zinc base, which significantly improves resistance to dezincification and general saltwater corrosion. This makes it the appropriate grade for marine fittings, valve and pump components in corrosive water service, marine hardware, and any brass part exposed to salt, brine, or aggressive water. For El Paso applications, naval brass matters wherever water chemistry is corrosive, even in inland industrial brine or treatment systems, not just literal ocean service. The decision rule is environmental: if the part lives in saltwater, brine, or other dezincification-prone water, specify naval brass, but if it's in benign indoor or dry service, standard C360 or C260 is more economical and entirely adequate. Using plain brass in marine service to save cost is a false economy, since the dezincification failures that follow cost far more than the upcharge for naval brass would have.
Lead-content regulations significantly affect brass selection and must be checked before specifying standard C360 for any part that contacts potable water or falls under consumer lead restrictions. The free-machining performance of C360 comes from its lead content, but modern regulations restrict lead in drinking-water components and certain consumer products, meaning standard leaded brass cannot legally be used in those applications even though it machines beautifully. For potable-water fittings, valves, and plumbing components subject to these rules, you must specify a low-lead or no-lead compliant brass grade, which are formulated to meet the regulatory limits while still offering reasonable machinability, though typically not as good as C360. The practical guidance for El Paso buyers is to identify the end application's regulatory status early in the design process, before ordering material, because discovering a compliance problem after parts are made is costly and may require retooling or requalification. For industrial, automotive, electrical, and non-potable applications not subject to lead restrictions, standard C360 remains the economical and appropriate choice. The key is to ask the question up front for every brass part: does this contact drinking water or fall under consumer lead rules, and if so, specify a compliant grade and confirm certification, rather than defaulting to C360 and discovering the problem later.
Last updated: July 2026
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