Brass Round Tube Pipe | OD 6–26mm | Wall 0.5–2mm | 200mm Length

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Sale price$4.20 USD
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In stock (500 units), ready to be shipped

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Description

Brass Round Tube Pipe — Precision Metric Sizing for DIY, Fabrication & Model Making

Whether you're a hobbyist building a scale model, a maker fabricating a custom bracket, or a technician sourcing a replacement sleeve, finding a brass round tube pipe in exactly the right outer diameter and wall thickness can be frustrating. Off-spec tubing wastes time and money — and a wall that's too thin collapses under load while one that's too thick won't fit your bore.

Each piece in this listing is a seamless brass round tube pipe, 200mm (≈7.87") long, available in outer diameters from 6mm (≈0.24") to 26mm (≈1.02") and wall thicknesses of 0.5mm, 1mm, 1.5mm, or 2mm. Choose quantity 1 for a single tube or quantity 5 for a multi-pack at a lower per-unit cost. The variant label format is OD × Wall × Length (all in mm), so "10 × 1 × 200" means a 10mm outer diameter, 1mm wall, 200mm long tube with an 8mm inner bore.

Typical use cases include model railway and RC vehicle axle sleeves, DIY plumbing and fluid-transfer prototypes, jewelry and decorative metalwork spacers, and precision mechanical assemblies where a machinable, solderable, corrosion-resistant metal tube is needed. The consistent metric sizing makes these tubes a go-to for anyone working with standard metric hardware.

ℹ️ Compatibility Note: OD follows standard metric sizing (6–26mm). Inner diameter = OD − (2 × wall thickness). Verify your bore or fitting ID before ordering. All tubes are 200mm (≈7.87") long — cut to length as needed.

✅ Key Features of These Brass Round Tube Pipes

  • 🔩Wide Size Range — OD from 6mm (≈0.24") to 26mm (≈1.02") with wall options of 0.5mm, 1mm, 1.5mm, and 2mm, covering the most common metric tube sizes for DIY and fabrication work.
  • ⚙️Machinable Brass Alloy — Made from free-machining brass, this material cuts cleanly with a pipe cutter, hacksaw, or lathe, and accepts soldering and brazing without special flux preparation.
  • 📏Consistent 200mm Length — Each tube is 200mm (≈7.87") long, giving you a workable stock length that's easy to cut down for shorter sleeves, spacers, or standoffs.
  • 🛡️Natural Corrosion Resistance — Brass resists oxidation in typical indoor and mildly humid environments, making these tubes suitable for plumbing prototypes, electronics enclosures, and decorative hardware without additional coating.
  • 📦Single or 5-Pack Quantity — Order one tube to test fit, or choose the 5-piece pack for multi-part projects and repairs — priced at a lower per-unit cost than buying singles separately.
  • 🎯Standard Metric OD for Easy Sourcing — Outer diameters match standard metric compression fittings, bushings, and couplings, so you can pair these tubes with off-the-shelf metric hardware without custom machining.

📐 Technical Specifications — Brass Round Tube Pipe

Material Brass (free-machining alloy)
Tube Form Round, seamless
Outer Diameter (OD) Range 6mm (≈0.24") – 26mm (≈1.02")
Wall Thickness Options 0.5mm, 1mm, 1.5mm, 2mm
Length 200mm (≈7.87") per piece
Inner Diameter (ID) OD − (2 × wall thickness); see variant label
Quantity per Order 1 piece or 5 pieces (select via Quantity option)
Finish Mill finish (natural brass)
Machinability Cuts, drills, solders, and brazes readily
Typical Applications Sleeves, spacers, standoffs, model making, plumbing prototypes, decorative metalwork
Country of Origin China
⚠️ Size Tip: The variant name format is OD × Wall × Length (mm). Example: "8 × 1 × 200" = 8mm OD, 1mm wall, 6mm ID, 200mm long. If you need a specific inner diameter, calculate: ID = OD − (2 × wall). Contact us if you need help selecting the right size.

❓ Frequently Asked Questions

How do I choose the right OD and wall thickness for my project?

Start with the outer diameter (OD) that fits your bore or clearance hole. Then choose wall thickness based on load: 0.5mm walls are typically used for lightweight decorative or model-making applications, while 1–2mm walls are generally better for structural or mechanical use. For example, a 10mm OD × 1mm wall tube has an inner diameter of 8mm (≈0.31"). When in doubt, go one wall thickness up — you can always remove material, but you can't add it back.

What load or pressure can these brass tubes handle?

Brass (typically equivalent to C360 or similar free-machining alloy) generally has a tensile strength of around 340–470 MPa. Actual load capacity depends on wall thickness, OD, and how the tube is supported. Thicker walls (1.5–2mm) are generally suitable for moderate structural loads; thinner walls (0.5mm) are best for non-load-bearing uses such as decorative spacers or model parts. Contact us to confirm suitability for pressure or structural applications.

Can these brass tubes be used outdoors or in humid environments?

Brass has inherent corrosion resistance and performs well in most indoor and mildly humid environments. For prolonged outdoor or marine exposure, a protective lacquer or clear sealant is generally recommended to prevent tarnishing and dezincification over time. In most indoor DIY and workshop settings, no additional treatment is needed.

Are these tubes compatible with standard metric fittings and connectors?

Yes. The outer diameters follow standard metric sizing (6mm, 7mm, 8mm … up to 26mm), making them compatible with most metric compression fittings, bushings, and couplings. Always verify the inner diameter (OD minus 2× wall thickness) matches your fitting bore before ordering. If you need a specific ID, use the formula: ID = OD − (2 × wall).

Can I cut, drill, or solder these brass tubes?

Yes — brass is one of the most workable metals available. It cuts cleanly with a pipe cutter, hacksaw, or milling machine, and drills without burring when you use a sharp bit and moderate speed. It solders and brazes readily with standard flux and solder, making it a popular choice for plumbing prototypes, jewelry, and electronics enclosures. Deburr cut ends with a file or deburring tool before assembly.

How do I calculate the inner diameter from the variant label?

The variant label format is OD × Wall × Length (all in mm). Inner diameter = OD − (2 × wall thickness). Examples:

  • 10 × 1 × 200 → ID = 10 − 2 = 8mm (≈0.31")
  • 12 × 1.5 × 200 → ID = 12 − 3 = 9mm (≈0.35")
  • 16 × 2 × 200 → ID = 16 − 4 = 12mm (≈0.47")

Use this formula to match the tube to any shaft, rod, or fitting it needs to slide over or accept.

Is buying a 5-pack more cost-effective than single pieces?

Yes. The 5-piece quantity option is priced at a lower per-unit cost compared to buying five individual pieces. It's a practical choice if you're working on a multi-part project, need spares for future repairs, or want to test multiple wall thicknesses for the same OD. Select "5" in the Quantity dropdown to see the 5-pack price.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

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