Brass Tubes ROUND PIPE Cu 62% OD 2mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm To 90mm

Subtract twice the wall thickness from the outer diameter: ID = OD − (2 × wall). For example, a 10 mm OD tube with a 1 mm wall has an ID of 8 mm. Always verify the ID matches your shaft, rod, or fitting before ordering, as tolerances can vary slightly between drawn sizes.

Cu 62% indicates the alloy contains approximately 62% copper with the remainder primarily zinc. This composition — sometimes called CW508L or similar — offers good machinability, reliable solderability with both soft and silver solder, and moderate corrosion resistance in ambient conditions. It is harder and stronger than pure copper but softer and more workable than steel.

Yes. Brass cuts cleanly with a fine-tooth hacksaw (32 TPI recommended for thin walls), a junior hacksaw, or a rotary pipe cutter. For very small ODs (under 5 mm), a pipe cutter with a brass-rated wheel gives the cleanest, squarest cut. Deburr the cut end with a round file or deburring tool before assembly.

Brass resists oxidation well in ambient and mildly humid environments and is commonly used in marine fittings. However, in salt-spray or continuously submerged conditions, dezincification can occur over time in standard brass alloys. For demanding marine applications, consider whether a dezincification-resistant (DZR) brass or alternative alloy is more appropriate for your specific use case.

For a sliding telescoping fit, select an inner tube whose OD is slightly smaller than the ID of the outer tube. A typical clearance of 0.1–0.3 mm between the inner OD and outer ID allows smooth sliding without excessive play. For example, a 9 mm OD tube (with appropriate wall) can slide inside a 10 mm OD tube with a 0.5 mm wall (ID ≈ 9 mm) with minimal clearance — check exact IDs using the formula above before ordering.

Yes. Cu 62% brass accepts soft solder (tin-lead or lead-free) with a standard flux and soldering iron, and silver solder (hard solder) with a torch. Clean the joint area with fine abrasive or flux before soldering. Avoid overheating thin-wall tubes, as excessive heat can distort the tube or cause the zinc to volatilise at very high temperatures.

Both lengths are the same tube material and OD/wall combination — only the cut length differs. The 200 mm length suits small projects, prototypes, or applications where only a short section is needed. The 500 mm length is more economical per millimetre and is better suited when you need to cut multiple pieces or require a longer continuous section. Check the variant name carefully, as the format is OD × Wall × Length.

Thinner walls (0.15–0.5 mm) are suited to lightweight decorative work, model making, and applications where weight matters. Medium walls (0.5–1.5 mm) cover most general engineering, bushing, and structural uses. Thicker walls (2–4 mm) are appropriate where the tube must carry load, resist crushing, or be threaded. When in doubt, a wall thickness of at least 10–15% of the OD provides a reasonable starting point for structural applications.