--- title: "C544 for Sale | Specs" description: "C544 bronze for sale — specs, composition & applications. Get price." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "LocalBusiness", "name": "Maverick Metals", "url": "https://mavmet.com", "logo": "https://mavmet.com/favicon.png", "telephone": "+1-844-412-0795", "email": "rfq@mavmet.com", "description": "Premium copper, aluminum, bronze & brass metals supplier. Custom cut, fabricated & delivered fast.", "address": [ { "@type": "PostalAddress", "streetAddress": "150 Remington Blvd.", "addressLocality": "Ronkonkoma", "addressRegion": "NY", "postalCode": "11779", "addressCountry": "US" }, { "@type": "PostalAddress", "streetAddress": "900 Tulip Drive", "addressLocality": "Gastonia", "addressRegion": "NC", "postalCode": "28052", "addressCountry": "US" } ], "sameAs": [], "priceRange": "$$", "aggregateRating": { "@type": "AggregateRating", "ratingValue": "5", "reviewCount": "156", "bestRating": "5" }, "review": [ { "@type": "Review", "author": { "@type": "Person", "name": "Daniel Vass" }, "reviewBody": "The customer service you provide is impeccable, and I truly believe that this is what is going to set Maverick apart from anyone else in the industry.", "reviewRating": { "@type": "Rating", "ratingValue": "5", "bestRating": "5" } }, { "@type": "Review", "author": { "@type": "Person", "name": "Daniel Vass" }, "reviewBody": "We are excited about this partnership and know that Maverick will play a huge part in our success.", "reviewRating": { "@type": "Rating", "ratingValue": "5", "bestRating": "5" } } ] }, { "@context": "https://schema.org", "@type": "WebSite", "name": "Maverick Metals", "url": "https://mavmet.com" }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://mavmet.com/" }, { "@type": "ListItem", "position": 2, "name": "Bronze", "item": "https://mavmet.com/bronze" }, { "@type": "ListItem", "position": 3, "name": "Bronze", "item": "https://mavmet.com/bronze" }, { "@type": "ListItem", "position": 4, "name": "C544", "item": "https://mavmet.com/bronze/c544" } ] }, { "@context": "https://schema.org", "@type": "Product", "name": "Free-Cutting Phosphor Bronze ", "description": "C54400 is a free-machining phosphor bronze with a lead addition (3.5–4.5% Pb) that dramatically improves machinability to an 80 rating — compared to only 20 for standard C510. It retains the good corrosion resistance and moderate strength of phosphor bronze while enabling high-speed machining for screw machine products and precision parts. C544 is the material of choice when phosphor bronze properties are needed but high-volume machining is required.", "image": "https://pub-bb2e103a32db4e198524a2e9ed8f35b4.r2.dev/b1f8b2cb-7382-4690-bfbc-ed5b304d2dda/id-preview-07417ea8--a7e5ccab-fa75-48ef-b5e7-f98a3ebeeba6.lovable.app-1772659104853.png", "brand": { "@type": "Brand", "name": "Maverick Metals" }, "sku": "C54400", "category": "Bronze", "offers": { "@type": "Offer", "availability": "https://schema.org/InStock", "price": "0", "priceCurrency": "USD", "url": "https://mavmet.com/bronze/c544", "seller": { "@type": "Organization", "name": "Maverick Metals" } }, "aggregateRating": { "@type": "AggregateRating", "ratingValue": "5", "reviewCount": "156", "bestRating": "5" } } ] --- [Contact us today! (844) 412-0795](tel:8444120795) [![Maverick Metals logo - copper and aluminum supplier](/assets/mavmet-logo-7HJTZy34.png)](/) [About](/about) Copper Aluminum Bronze Brass [Parts](/machined-parts) Industries [Blog](/blog)[Prices](/prices)[Contact](/contact) [Back to Bronze](/bronze) C544 # Free-Cutting Phosphor Bronze C54400 ## Overview C54400 is a free-machining phosphor bronze with a lead addition (3.5–4.5% Pb) that dramatically improves machinability to an 80 rating — compared to only 20 for standard C510. It retains the good corrosion resistance and moderate strength of phosphor bronze while enabling high-speed machining for screw machine products and precision parts. C544 is the material of choice when phosphor bronze properties are needed but high-volume machining is required. ### Chemical Composition Element Min Max Copper (Cu) Balance (~87.7%) — Tin (Sn) 3.50% 4.50% Lead (Pb) 3.50% 4.50% Zinc (Zn) 1.50% 4.50% Phosphorus (P) 0.01% 0.50% ### Alloy Designations UNS C54400 ASTM B139 Common Name Free-Cutting Phosphor Bronze ### Mechanical Properties Tensile Strength (H04) 55 ksi (379 MPa) Yield Strength (H04) 50 ksi (345 MPa) Elongation (H04) 15% Hardness (H04) 70 HRB Machinability Rating 80 ### Physical Properties Density 8.89 g/cm³ (0.321 lb/in³) Melting Point 843–999°C (1,550–1,830°F) Electrical Conductivity 19% IACS Thermal Conductivity 75.5 W/m·K ## Typical Applications - Screw machine products - Precision electrical connectors - Bearing cages and retainers - Hydraulic and pneumatic fittings - Clock and instrument parts - Gear blanks ## Fabrication & Joining - Excellent machinability (80 rating) - Good cold working - Soldering: Good - Brazing: Good - Not recommended for welding (lead content) - Available in rod, bar, and wire ## Need C544 Bronze ? Contact our sales engineers for a custom quote on C544 (C54400) bronze — tailored dimensions, tempers, and finishing options for your exact specifications. [Request a Quote](/contact) Maverick Metals Your trusted source for copper, aluminum, bronze, brass, and specialty metals. 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