Lead Solder
Bar and wire solder in 40/60, 50/50, and 60/40 alloys, extruded to federal specifications for plumbing and sheet work.

Overview
Bar and wire solder in 40/60, 50/50, and 60/40 alloys, extruded to federal specifications for plumbing and sheet work.
Top National Lead Product Manufacturer Offering Lead Solder for Plumbing Essential for a wide-variety of plumbing repairs, lead solder is an essential for nearly every plumbing professional. We are the largest lead product producer in the country, supplying the national market with everything from plumbing lead, to flashing, to lead solder bars, and many more lead-based items.
50-50 Bar Solder Designed to meet federal specifications, our bar solder is available in several different sizes and alloys. Depending on what you need it for, we are able to recommend a particular alloy that is appropriate. If you cannot see the alloy you are looking for among the options we have got on offer, or want something specialized, tell us your requirements and we can create a solder that will meet your needs. Mayco Lead Solder is offered in a variety of sizes and alloys produced to meet Federal Specifications. We offer extrusions in 1/4 lb, 1/3 lb, 1/2 lb, and 1 lb bars, and wire solders in 1 lb, 5 lb, and 25 lb spools. Standard alloys include 40/60, 50/50, and 60/40. We can make other alloys as you need them. 50 lb cartons of 50/50 bars and 50/50 1 lb spools available for same-day shipping.
High-Quality Lead Solder in Plumbing Work All the lead solder we provide is made to the very highest possible standards from premium grade lead. We build quality into every part of our manufacturing process, ensuring that when you turn to us for your lead solder or other products, you are receiving high-grade options from a company that has a national reputation for quality and value.
Lead Solder Bars in the Volumes You Need Because we are such a large company, we have enormous capacity to meet high-volume orders quickly, as well as offer swift delivery and dependable production. To find out more about our exceptional selection of lead-solder options, or to place an order, call us at (800) 749-6061.
Typical applications
Where this product is engineered to perform.
Plumbing joint sealing and copper drain assemblies
Sheet metal and architectural lead flashing seam joining
Stained glass fabrication and decorative metalwork
Radiator and industrial heat exchanger assembly
Industries served
Product specifications
| Bar Solder Extrusions | 1/4 lb, 1/3 lb, 1/2 lb, and 1 lb extruded bars |
|---|---|
| Wire Solder Spools | 1 lb, 5 lb, and 25 lb spools |
| Standard Alloys | 40/60 (Tin/Lead), 50/50, and 60/40 (custom alloys blended on request) |
| Federal Specifications | Produced to meet strict Federal Specifications (ASTM / Fed-Spec) |
| Same-Day Shipping | 50 lb cartons of 50/50 bars and 50/50 1 lb spools ready for same-day shipping |
Specifications subject to custom engineering and alloy options. Contact Mayco engineering for specific sizes, tolerances, and custom certifications.
Need a custom size, alloy, or configuration?
Mayco provides engineering support and design consultation — from small radiation shielding jobs to large ballast projects. Our team can help specify the right product, dimensions, and tolerances for your application.
Every Mayco product is manufactured in-house across our U.S. plants and backed by our ISO 9001 quality system.
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