Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length
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Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm LengthBrass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length

Brass Round Tube Pipe H65 (CuZn35) — 0.2–2mm Wall, 1–80mm OD, 300mm Length

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Beschreibung

Brass Round Tube Pipe H65 (CuZn35) — Precision Metric Tubing for DIY, Modeling & Machining

Whether you're a hobbyist building scale models, a maker fabricating custom brackets, or a machinist sourcing precision stock, finding brass tubing in the exact outer diameter and wall thickness you need — without ordering a full industrial run — is a constant frustration. This listing solves that problem with a wide selection of H65 (CuZn35) brass round tube pipe, available in a broad range of sizes to match your exact project requirements.

Each piece is a brass round tube made from H65 alloy (equivalent to CuZn35 in European designation — approximately 65% copper, 35% zinc). Outer diameters range from 1mm to 80mm (≈0.039" to ≈3.15"), wall thicknesses from 0.2mm to 2mm (≈0.008" to ≈0.079"), and each tube is cut to a standard 300mm (≈11.81") length. Select your outer diameter, wall thickness, and quantity from the variant options above. Inner diameter is determined by OD minus twice the wall thickness.

These brass round tubes are well suited for model railway and RC vehicle construction, where precise metric tubing is essential; for DIY plumbing prototypes and fluid-line mockups requiring a corrosion-resistant metal tube; and for precision machining projects where H65 CuZn35 brass stock is specified. They also work well as spacers, standoffs, and decorative trim elements in furniture and architectural metalwork.

ℹ️ Compatibility Note: These are metric-dimensioned tubes. Inner diameter = Outer Diameter − (2 × Wall Thickness). Verify your required ID before selecting a variant. For fitting compatibility, match the OD of the tube to your connector's specified tube OD.

✅ Key Features of These Brass Round Tube Pipes

  • 🔩 H65 (CuZn35) Alloy — A 65/35 copper-zinc composition that offers reliable machinability, moderate tensile strength, and good corrosion resistance for both indoor and sheltered outdoor use.
  • 📏 Wide OD Range: 1mm–80mm — Covers a broad spectrum from ultra-fine tubing for model making and electronics to larger structural diameters for DIY fabrication and custom fittings.
  • 🧱 Multiple Wall Thickness Options — Choose from 0.2mm to 2mm walls to balance weight, rigidity, and inner bore size for your specific application — from thin decorative sleeves to load-bearing structural tubes.
  • ✂️ Easy to Cut, Solder & Machine — H65 brass cuts cleanly with a tube cutter or fine-tooth saw, solders readily with standard soft or silver solder, and machines well on a lathe — making it a practical choice for precision metalwork.
  • 📦 Standard 300mm (≈11.81") Lengths — Each tube is supplied at a consistent 300mm length, giving you a workable stock piece that can be cut to shorter lengths as needed for your project.
  • 🎯 Precise Metric Dimensions — Dimensioned to metric standards, making these tubes directly compatible with metric fittings, compression connectors, and engineering drawings without conversion guesswork.

📐 Technical Specifications — Brass Round Tube Pipe

Material Brass H65 (CuZn35) — approx. 65% Cu, 35% Zn
Outer Diameter (OD) 1mm–80mm (≈0.039"–3.15") — see variant options
Wall Thickness 0.2mm–2mm (≈0.008"–0.079") — see variant options
Inner Diameter (ID) OD − (2 × Wall Thickness) — see variant options
Length 300mm (≈11.81") per piece
Quantity per Order See variant options (typically 3 pieces per set for smaller sizes)
Tube Shape Round (circular cross-section)
Surface Finish Contact us to confirm (typically bright drawn or lightly polished)
Temper / Condition Contact us to confirm
Thread / Connection Type Plain tube — no threads; compatible with metric compression fittings by OD
Country of Origin See variant options / Contact us to confirm
Application Model making, DIY fabrication, precision machining, decorative metalwork, fluid line prototyping
⚠️ Sizing Note: Inner diameter is not a selectable option — it is determined by your chosen OD and wall thickness. Please calculate your required ID before placing your order. If you need a specific ID, contact us to confirm the correct variant.

❓ Frequently Asked Questions

How do I choose the right outer diameter and wall thickness?

Measure the opening or bore you need to fit. The outer diameter (OD) should match or slightly exceed your target bore. Wall thickness determines structural strength — thinner walls (typically 0.2–0.5mm) are generally used for lightweight or decorative applications, while thicker walls (1–2mm) are better suited for load-bearing or structural use. When in doubt, choose a slightly thicker wall for added margin. Remember: Inner Diameter = OD − (2 × Wall Thickness).

What does H65 (CuZn35) mean, and why does it matter?

H65 is a Chinese standard designation for a brass alloy containing approximately 65% copper and 35% zinc (CuZn35 in European notation). This composition offers a good balance of machinability, moderate strength, and corrosion resistance — making it a widely used alloy for precision tubing, fittings, and decorative metalwork. It is generally easier to machine and solder than higher-zinc brasses.

Can these brass tubes be used outdoors?

Brass (H65/CuZn35) generally offers good resistance to atmospheric corrosion and is suitable for many outdoor applications. However, in highly humid, marine, or chemically aggressive environments, brass may develop a patina (greenish oxidation) over time. For prolonged outdoor exposure, a protective lacquer or clear coat is typically recommended to maintain appearance and slow oxidation.

What is the load-bearing or structural strength of these tubes?

Structural strength depends on the outer diameter, wall thickness, and unsupported length. Thicker-walled tubes (1–2mm) in larger OD sizes generally provide greater rigidity and load capacity. H65 brass typically has a tensile strength in the range of 340–420 MPa, though actual values can vary by temper and processing. For precision structural calculations, consult a mechanical engineer, as load ratings vary significantly by application and support conditions.

Are these tubes compatible with standard fittings or connectors?

These are metric-dimensioned tubes. Compatibility with fittings depends on the OD of the specific variant you select. Most standard metric compression fittings and push-fit connectors are designed around OD dimensions. Always verify the OD of your chosen variant against your fitting's specifications before ordering. These tubes are not threaded — they are plain round tubes intended for use with compression, soldered, or press-fit connections.

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

Yes. H65 brass is generally easy to cut with a tube cutter or fine-tooth saw, and it solders well with standard soft or silver solder. It is also machinable on a lathe or mill. Thinner-walled tubes (0.2–0.5mm) require care during cutting to avoid deformation — a proper tube cutter is recommended over a hacksaw for clean, square cuts on small-diameter tubes.

How do I convert the tube dimensions from mm to inches?

Divide the millimeter value by 25.4 to get inches. For example: 10mm OD ≈ 0.394" (≈3/8"), 25mm OD ≈ 0.984" (≈1"), 300mm length ≈ 11.81" (≈11-13/16"). Use this formula to cross-reference with imperial-sized fittings or engineering drawings. Note that these are metric tubes and may not be exact imperial equivalents.

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

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