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home > Bronze Brass Round Tube — OD 25mm–80mm, ID 15mm–60mm, Length 100mm > Bronze Brass Round Tube — OD 25mm–80mm, ID 15mm–60mm, Length 100mm

Bronze Brass Round Tube — OD 25mm–80mm, ID 15mm–60mm, Length 100mm main image 0

Bronze Brass Round Tube — OD 25mm–80mm, ID 15mm–60mm, Length 100mm main image 1

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Bronze Brass Round Tube — OD 25mm–80mm, ID 15mm–60mm, Length 100mmBronze Brass Round Tube Precision Hollow Bar for Bushings, Bearings & Structural Use When a standard off the shelf bushing or sleeve just doesn't fit your project, machinists, fabricators, and serious DIYers reach for raw bronze brass round tube stock they can cut and finish to exact spec. Whether you're replacing a worn bearing sleeve, fabricating a custom spacer, or building a fluid handling assembly, having the right OD to ID ratio in a machinable

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Bronze Brass Round Tube — Precision Hollow Bar for Bushings, Bearings & Structural Use

When a standard off-the-shelf bushing or sleeve just doesn't fit your project, machinists, fabricators, and serious DIYers reach for raw bronze brass round tube stock they can cut and finish to exact spec. Whether you're replacing a worn bearing sleeve, fabricating a custom spacer, or building a fluid-handling assembly, having the right OD-to-ID ratio in a machinable alloy saves hours of rework.

Each piece is a single bronze brass round tube, 100mm (≈3.94 inches) in length, available in outer diameters from 25mm (≈0.98 inches) to 80mm (≈3.15 inches) and inner diameters from 15mm (≈0.59 inches) to 60mm (≈2.36 inches). With 45 OD × ID combinations to choose from, you can dial in the exact wall thickness your application demands — from a thin-wall 5mm sleeve to a heavy-wall 30mm+ bushing blank.

Typical use cases include lathe-turned bushing blanks for machinery repair, bronze sleeve bearings for low-speed rotating shafts, custom spacers and standoffs in marine or outdoor hardware, and decorative hollow bar stock for architectural metalwork and furniture fabrication.

ℹ️ Compatibility Note: All dimensions are metric. OD and ID values follow standard metric tube sizing. Verify your required tolerance class (slip fit, transition fit, or press fit) before ordering — contact us if you need a specific ISO tolerance grade confirmed.

✅ Key Features of These Bronze Brass Round Tubes

🔩45 OD × ID Size Combinations — From OD 25mm × ID 15mm up to OD 80mm × ID 60mm, covering a wide range of wall thicknesses for bushing blanks, sleeve bearings, and custom spacers.
🛡️Natural Corrosion Resistance — Bronze and brass alloys resist oxidation and moisture without additional coating, making these tubes suitable for marine hardware, plumbing assemblies, and outdoor structural applications.
⚙️Excellent Machinability — Cuts, drills, taps, and turns cleanly on standard metalworking equipment. Ideal for lathe-turned bronze sleeve bearing blanks and precision bushing fabrication.
📐Consistent 100mm Fixed Length — Each tube is 100mm (≈3.94 inches) long, giving you a reliable starting blank for cut-to-length projects without excess waste.
🔄Low-Friction Bearing Surface — Bronze alloys are self-lubricating under light loads, making these tubes a go-to choice for low-speed shaft bushings and wear-resistant liner applications.
🏗️Versatile Structural & Decorative Use — Beyond mechanical applications, the warm golden tone of brass and the reddish hue of bronze suit architectural metalwork, furniture legs, and decorative hollow bar fabrication.

📐 Technical Specifications — Bronze Brass Round Tube

Material	Bronze / Brass alloy (copper-based)
Outer Diameter (OD) Range	25mm (≈0.98") – 80mm (≈3.15")
Inner Diameter (ID) Range	15mm (≈0.59") – 60mm (≈2.36")
Length	100mm (≈3.94") — fixed for all variants
Wall Thickness	Varies by variant — calculated as (OD − ID) ÷ 2; see variant options
Available Size Combinations	45 OD × ID variants (see variant selector)
Finish	Mill finish (uncoated, natural alloy surface)
Machinability	Excellent — compatible with lathe, mill, drill press, and hand tools
Corrosion Resistance	Good — suitable for humid, marine, and outdoor environments
Quantity per Order	1 piece per variant selected
Country of Origin	China
Alloy Grade	Contact us to confirm

⚠️ Spec Confirmation: If your application requires a certified alloy grade (e.g., C932 bearing bronze or C360 free-machining brass), please contact us before ordering to confirm the exact material specification.

❓ Frequently Asked Questions

How do I choose the right OD and ID for my application?

Measure the shaft or bore your tube must fit over or inside. The Inner Diameter (ID) should clear your shaft with a small tolerance — typically 0.1–0.5mm of clearance for a sliding fit. The Outer Diameter (OD) determines the external envelope. For example, if your bore is 20mm, choose ID 20mm or the next size up. All variants in this listing have a fixed length of 100mm (≈3.94 inches).

What is the wall thickness of each tube?

Wall thickness = (OD − ID) ÷ 2. For example, OD 40mm × ID 30mm gives a wall of 5mm (≈0.197 inches). Each variant page lists its specific OD and ID so you can calculate the exact wall thickness before ordering.

How strong are these bronze brass tubes — what loads can they handle?

Bronze and brass alloys generally offer tensile strengths in the range of 300–500 MPa depending on the specific alloy grade. They are well-suited for moderate structural, bearing, and bushing applications. For critical load-bearing designs, consult an engineer and confirm the alloy specification with us before ordering.

Can these tubes be used outdoors or in wet environments?

Yes. Bronze and brass are naturally corrosion-resistant materials that perform well in humid, marine, and outdoor environments without additional coating. They are commonly used in plumbing, marine hardware, and architectural applications where moisture resistance is required.

Are these tubes compatible with standard metric fittings and bushings?

Yes. All dimensions are metric (mm). The OD and ID values correspond to standard metric tube sizing, making them generally compatible with metric fittings, flanges, and bushings. Always verify the exact tolerance class required for your application, as press-fit vs. slip-fit tolerances differ.

Can I cut or machine these tubes to a shorter length?

Yes. Bronze and brass machine easily with standard metalworking tools — hacksaws, band saws, lathes, and milling machines all work well. These tubes can be cut, drilled, tapped, or turned to your required length or profile without special tooling.

What is the difference between bronze and brass, and which alloy is this?

Bronze is primarily copper-tin, while brass is copper-zinc. Both are used for tubes and bushings. This product is listed as a bronze/brass tube — the exact alloy grade is noted in the variant SKU. Contact us to confirm the specific alloy if your application requires a certified grade.

How do I select the right size if I only know the shaft diameter?

Match the ID to your shaft diameter plus your desired clearance. For a 25mm shaft with a slip fit, choose ID 25mm or ID 30mm. For a press fit, choose ID equal to or slightly smaller than the shaft — typically within 0.01–0.05mm. Use the OD to ensure the tube fits within your housing or bore.

🛒 Select your size (Outer Diameter × Inner Diameter) above, then add to cart — ships from our US warehouse.

Bronze Brass Round Tube — OD 25mm–80mm, ID 15mm–60mm, Length 100mm

Name: Bronze Brass Round Tube — OD 25mm–80mm, ID 15mm–60mm, Length 100mm
Brand: thegrowthteam.biz
SKU: 21476264744
Price: 46.31 USD
Availability: InStock
Rating: 4.2286 (1510 reviews)