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When your project demands a reliable, machinable metal stock that holds tight tolerances and resists corrosion, finding the right brass flat bar or square rod in the exact cross-section you need can be frustrating. Whether you're a hobbyist machinist, a small workshop fabricator, or a maker building custom hardware, this H59 brass stock gives you a ready-to-use 500mm length in a wide range of thickness-by-width combinations — so you spend less time sourcing and more time building.
Each piece is cut from H59 brass alloy — a copper-zinc alloy known for its good machinability, moderate strength, and natural corrosion resistance. Available cross-sections range from 3mm × 10mm up to 15mm × 15mm (approximately 0.12" × 0.39" to 0.59" × 0.59"), with all pieces cut to a consistent 500mm (approximately 19.7") length. The flat bar and square profiles are suited for both hand-tool and CNC machining operations.
Typical applications include custom bracket fabrication for DIY furniture and cabinetry hardware, lathe and milling practice stock for home machinists, electrical bus bar blanks and grounding strips for electronics projects, and decorative inlay or trim work in woodworking and metalworking builds.
| Material | H59 Brass (Copper-Zinc Alloy) |
|---|---|
| Profile Type | Flat Bar / Square Rod |
| Cut Length | 500mm (≈19.7 in) |
| Thickness Range | 3mm – 15mm (≈0.12" – 0.59") |
| Width Range | 10mm – 20mm (≈0.39" – 0.79") |
| Available Cross-Sections | See variant options |
| Surface Finish | Mill finish (as-cut) |
| Tensile Strength (typical) | 330–440 MPa |
| Hardness (typical) | 60–90 HB |
| Machinability Rating | Good (relative to free-cutting brass) |
| Corrosion Resistance | Good in dry and mildly humid environments |
| Quantity per Order | 1 piece per variant selected |
Select the cross-section based on the load-bearing or structural requirement of your application. For light decorative trim or inlay work, thinner profiles (3mm–4mm thick) are sufficient. For brackets, spacers, or structural inserts that need to resist bending, choose 6mm–10mm thickness. The width determines the bearing surface — wider bars distribute load over a larger area. If you're unsure, start with a mid-range option like 5mm × 15mm and test fit before committing to a larger quantity.
H59 brass has a typical tensile strength of 330–440 MPa and a Brinell hardness of approximately 60–90 HB, making it suitable for light-to-medium structural applications such as custom brackets, hinges, spacers, and mounting plates. It is not recommended for high-stress load-bearing applications where steel or aluminum alloy would be more appropriate.
H59 brass does not rust (it contains no iron), but it can develop a natural patina (surface oxidation) over time when exposed to air and moisture. In dry indoor environments, the surface remains bright for extended periods. To maintain a bright finish, apply a thin coat of clear lacquer or metal wax after machining.
Yes. H59 brass machines well with standard HSS drill bits, end mills, and lathe tools. It can be tapped with standard metric or imperial taps to create threaded holes. Use cutting fluid or light machine oil for best results and to extend tool life.
No. H59 is a copper-zinc brass alloy (roughly equivalent to C27000 or C28000 in ASTM standards) with good general machinability, but it is not the same as free-cutting brass (C360/H62), which has added lead for superior chip-breaking. H59 is lead-reduced and suitable for applications where lower lead content is preferred.
Yes. H59 brass joins readily with soft solder (tin-lead or lead-free), silver solder, and brazing alloys. Clean the joint area with fine sandpaper or a wire brush and apply appropriate flux before soldering. For structural joints, silver brazing provides a much stronger bond than soft soldering.
Each variant represents one (1) piece of 500mm brass stock in the selected thickness × width cross-section. If you need multiple pieces of the same size, simply increase the quantity before adding to cart. If you need multiple different cross-sections, add each variant separately to your cart.
