Brass Round Tube 300mm — Thin Wall 0.3mm, OD 1mm–12mm
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Brass Round Tube 300mm — Thin Wall 0.3mm, OD 1mm–12mm

Brass Round Tube 300mm — Thin Wall 0.3mm, OD 1mm–12mm

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Beschreibung

Brass Round Tube 300mm — Precise Thin-Wall Tubing for Models, Crafts & DIY

Finding a small-diameter metal tube that's straight, burr-free, and cuts cleanly is harder than it sounds — especially when you need a specific size for a scale model, RC frame, or jewelry piece. These brass round tubes give hobbyists, makers, and bench craftspeople a reliable stock material in 20 outer-diameter options, all cut to a consistent 300mm (≈11.8") length.

Each tube is made from C260 cartridge brass (CuZn30), with a wall thickness of 0.3mm across most sizes and 0.35mm on the 1.5mm OD variant. Outer diameters range from 1mm (≈0.039") to 12mm (≈0.472"), covering the most-used sizes in fine-scale work. The 300mm length ships flat and fits standard storage tubes or project boxes without trimming.

Typical applications include scale model structural members and antenna masts, RC aircraft and boat fuselage tubes, pen-turning barrel blanks, jewelry findings and spacer tubes, and telescope focuser draw-tubes — anywhere a lightweight, solderable, machinable metal tube is needed in a precise metric size.

ℹ️ Compatibility note: OD sizes follow standard metric increments. Inner diameter = OD − (2 × wall thickness). Confirm ID before ordering if fitting over a shaft or rod. These tubes are not rated for hydraulic or pneumatic pressure.

✅ Key Features of These Brass Round Tubes

  • 📏20 Outer Diameter Options — Sizes from 1mm to 12mm in fine increments let you match the exact OD needed for scale model tubing, RC frames, or jewelry findings without custom cutting stock down.
  • 🧱Thin 0.3mm Wall Construction — The slim wall keeps weight low while maintaining a round, rigid profile — ideal for lightweight structural members in model aircraft and boat building.
  • 🔩Solderable & Machinable Brass Alloy — C260 cartridge brass accepts soft solder and silver solder readily, and cuts cleanly with a tube cutter or fine-tooth saw, leaving minimal burr on thin-wall brass tube cuts.
  • 📐Consistent 300mm Length — Every tube ships at 300mm (≈11.8"), giving you a predictable starting length for bench projects without the waste of longer bar stock.
  • 🛡️Natural Corrosion Resistance — Brass resists oxidation in dry and mildly humid environments, making these tubes suitable for indoor display models and protected outdoor assemblies without additional treatment.
  • 🔄Metric-Standard OD Sizing — Diameters align with standard metric fittings, couplings, and bushings, so these small-diameter brass tubes integrate directly into metric hardware systems without adapters.

📐 Technical Specifications — Brass Round Tube

Material Brass (C260 cartridge brass / CuZn30)
Outer Diameter (OD) 1mm, 1.2mm, 1.5mm, 1.6mm, 1.8mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm
Wall Thickness 0.3mm (all sizes); 0.35mm (1.5mm OD variant only)
Length 300mm (≈11.8")
Inner Diameter (ID) OD − (2 × wall thickness) — see variant options
Finish Mill finish (natural brass)
Tube Profile Round / circular cross-section
Pressure Rating Not rated for hydraulic or pneumatic pressure
Quantity per Order 1 tube per unit (see variant options for size)
Country of Origin China
⚠️ Spec note: Inner diameter values are calculated (OD − 2× wall). If your application requires a confirmed ID tolerance, contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right outer diameter for my project?

Measure the opening or shaft your tube needs to fit over or inside. For a sliding fit, choose an OD slightly smaller than the receiving hole. For a press fit, match OD to hole diameter. Our range covers 1mm through 12mm in 0.5–1mm increments, so you can typically find the exact size you need. If you're working in inches: 1mm ≈ 0.039", 6mm ≈ 0.236", 12mm ≈ 0.472".

What wall thickness do these brass tubes have?

Most variants have a 0.3mm wall thickness. The 1.5mm OD variant is available in 0.35mm wall. These are thin-wall tubes designed for lightweight structural and decorative applications. The inner diameter equals OD minus twice the wall thickness — for example, a 6mm OD / 0.3mm wall tube has an ID of 5.4mm.

Can these brass tubes be used outdoors?

Brass is naturally corrosion-resistant and generally performs well in dry or mildly humid outdoor environments. For prolonged outdoor or marine exposure, a clear lacquer or protective coating is typically recommended to prevent tarnishing over time.

Are these tubes compatible with standard metric fittings and couplings?

Yes. The outer diameters follow standard metric sizing, making them generally compatible with metric couplings, bushings, and sleeves. Always verify the inner diameter (OD minus 2× wall thickness) when fitting over a shaft or rod to ensure clearance.

Can I cut, solder, or bend these thin-wall brass tubes?

Yes. Brass machines and solders easily with standard tools. Use a fine-tooth saw or dedicated tube cutter for clean cuts with minimal burr. Bending is possible with a tube bender or mandrel to avoid kinking — especially important on smaller diameters under 3mm. Brass accepts soft solder and silver solder well for joining.

How much structural load can these tubes handle?

These are decorative and light-structural-grade thin-wall tubes, not rated for hydraulic or pneumatic pressure. They are generally suitable for light loads in scale models, RC frames, and craft assemblies. For load-bearing or pressure applications, a thicker-wall brass tube is typically recommended.

What are the most common uses for small-diameter brass round tubes?

These tubes are commonly used in scale model building (structural members, antenna masts), RC aircraft and boat frames, jewelry making (spacers, findings), pen turning (barrel blanks), telescope focuser draw-tubes, and general DIY prototyping. The 300mm length is convenient for most bench-scale projects without needing to cut down longer stock.

🛒 Select your outer diameter and wall thickness above, then add to cart — ships from our US warehouse.

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