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Brass Round Tube — Thin Wall Hollow Tubing OD 0.8–80mm × 500mm Length
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Brass Round Tube — Thin Wall Hollow Tubing OD 0.8–80mm × 500mm Length
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Brass Round Tube — Thin Wall Hollow Tubing OD 0.8–80mm × 500mm LengthBrass Round Tube Precision Thin Wall Hollow Tubing for Modeling, DIY & Engineering Whether you're building a scale model, fabricating a custom bracket, crafting jewelry, or repairing a precision instrument, finding the exact tube diameter and wall thickness you need shouldn't be a project in itself. Machinists, hobbyists, model engineers, and makers all run into the same wall: hardware stores stock only a handful of sizes, and ordering from industrial
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Brass Round Tube — Precision Thin-Wall Hollow Tubing for Modeling, DIY & Engineering
Whether you're building a scale model, fabricating a custom bracket, crafting jewelry, or repairing a precision instrument, finding the exact tube diameter and wall thickness you need shouldn't be a project in itself. Machinists, hobbyists, model engineers, and makers all run into the same wall: hardware stores stock only a handful of sizes, and ordering from industrial suppliers means minimum quantities that don't make sense for small runs.
This listing offers brass round tube in outer diameters (OD) from 0.8mm (≈1/32") to 80mm (≈3-1/8"), with wall thicknesses ranging from 0.15mm to 5mm — all cut to a standard 500mm (≈19.7") length. Each tube is a seamless or drawn hollow section in brass alloy, with a smooth exterior finish suitable for further machining, soldering, or use as-is.
Typical use cases include brass tubing for scale model railways and aircraft, thin-wall brass pipe for jewelry and decorative metalwork, hollow brass rod for instrument repair and clockmaking, and precision brass tube for RC car and drone frame components. The wide size range makes it straightforward to find telescoping pairs for sliding mechanisms or nested assemblies.
Size Compatibility Note: Variant dimensions are listed as OD × Wall Thickness × Length (e.g., 6mm × 0.5mm × 500mm). Inner diameter (ID) = OD − (2 × wall thickness). Confirm your required ID before ordering.
Verify before ordering: Specific alloy grade and temper are not listed on this page. If your application has strict mechanical or chemical requirements, please contact us to confirm specifications.
✅ Key Features of These Brass Round Tubes
- 250+ Size Combinations — OD from 0.8mm to 80mm with wall thicknesses from 0.15mm to 5mm, covering a wider range than most local suppliers stock for thin-wall brass tubing.
- 500mm Standard Length — Each tube is 500mm (≈19.7") long, giving you enough material to cut multiple shorter pieces or use the full length for longer assemblies.
- Solderable & Brazeable — Brass bonds readily with standard soft solder and silver brazing alloys, making these tubes a go-to for plumbing models, jewelry fabrication, and instrument repair.
- Machinable Material — Brass is one of the most machinable metals available; these tubes can be drilled, turned, filed, and cut cleanly with standard metalworking tools, with minimal burring on thin-wall sections.
- Corrosion-Resistant Finish — Brass naturally resists rust and performs well in indoor and low-humidity environments, reducing the need for protective coatings in most hobby and light engineering applications.
- Telescoping-Friendly Sizing — The incremental OD steps (0.1–0.5mm between many sizes) make it straightforward to find two sizes that nest or slide inside each other for telescoping mechanisms, antenna sections, or adjustable assemblies.
📐 Technical Specifications — Brass Round Hollow Tube
| Material | Brass (copper-zinc alloy; typically C26000 or equivalent — contact us to confirm specific grade) |
|---|---|
| Form | Round hollow tube (thin-wall seamless or drawn) |
| Outer Diameter (OD) Range | 0.8mm (≈1/32") — 80mm (≈3-1/8") |
| Wall Thickness Range | 0.15mm — 5mm (varies by OD; see variant selector) |
| Length | 500mm (≈19.7" / ≈19-11/16") |
| Inner Diameter (ID) | ID = OD − (2 × wall thickness); see variant options |
| Surface Finish | Smooth drawn exterior; natural brass color |
| Quantity per Order | 1 piece per variant selected (see variant options) |
| Thread / Fittings | Plain unthreaded tube — no fittings included |
| Applicable Uses | Scale modeling, jewelry, instrument repair, DIY fabrication, RC components, clockmaking |
| Country of Origin | Contact us to confirm |
❓ Frequently Asked Questions
How do I choose the right OD and wall thickness for my project?
Start with the outer diameter (OD) your application requires — for example, a slot or bore that the tube must fit into or slide over. Then choose a wall thickness based on the load or pressure the tube must handle. Thinner walls (0.15–0.3mm) are typically used for lightweight models and decorative work; thicker walls (0.5mm and above) are generally better for structural or mechanical applications.
If you need the inner diameter (ID), subtract twice the wall thickness from the OD: ID = OD − (2 × wall thickness). For example, a 6mm OD × 0.5mm wall tube has an ID of 5mm (≈13/64").
What is the length of each tube, and can I get a custom length?
Every tube in this listing is 500mm (≈19.7 inches) long. Custom lengths are not available through this listing. If you need a shorter piece, the tube can typically be cut with a fine-tooth hacksaw, tube cutter, or rotary tool. Brass cuts cleanly with standard metalworking tools.
How strong is brass tubing, and what loads can it handle?
Brass (typically C26000 or similar alloy) generally has a tensile strength in the range of 300–500 MPa depending on temper and alloy composition. Thin-wall tubes in this listing are intended for light-duty, precision, and decorative applications. For structural or high-pressure uses, please confirm the specific alloy and wall thickness are appropriate for your load requirements before ordering.
Is brass tubing suitable for outdoor or corrosion-prone environments?
Brass is generally more corrosion-resistant than mild steel and performs well in many indoor and mildly humid environments. However, it can tarnish over time when exposed to moisture and certain chemicals. For outdoor or marine applications, a protective lacquer or periodic polishing is typically recommended. Brass is not generally suitable for direct contact with ammonia-based environments, which can cause stress corrosion cracking.
Are these tubes compatible with standard metric fittings or connectors?
These are plain (unthreaded) round tubes. They are not pre-threaded and do not come with fittings. Compatibility with standard fittings depends on the OD and wall thickness you select. In most cases, standard metric compression fittings or push-fit connectors sized to match the OD can be used. Contact us to confirm compatibility with your specific fitting standard before ordering.
Can I solder, braze, or machine these brass tubes?
Yes. Brass is generally well-suited for soldering and brazing, making it a popular choice for plumbing models, jewelry, and instrument work. It is also machinable — it can be drilled, turned, and cut with standard metalworking tools. Thin-wall variants (under 0.3mm) require care to avoid deformation during clamping or machining; use a mandrel or support insert where possible.
How do I convert the tube dimensions from mm to inches?
Divide the millimeter value by 25.4 to get inches. Quick reference examples:
- 1mm OD ≈ 0.039" (≈3/64")
- 6mm OD ≈ 0.236" (≈15/64")
- 12mm OD ≈ 0.472" (≈15/32")
- 25mm OD ≈ 0.984" (≈63/64")
- 500mm length ≈ 19.69" (≈19-11/16")
🛒 Select your size (OD × wall thickness) above, then add to cart — ships from our US warehouse.
Brass Round Tube — Thin Wall Hollow Tubing OD 0.8–80mm × 500mm Length
Item no
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97732262931
US$ 25.55
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