Aluminum U Channel Manufacturer — Custom Extruded U Channels
Source custom extruded aluminum U channel direct from a factory with 14 presses (350T–2000T) and 3,000 tons/month capacity. We hold tight tolerances on width, leg height and wall thickness across 6063, 6061 and 6005 — so your panels and frames fit first time.
Alloys: 6063 / 6061 / 6005 · Finish: mill / anodized / coated · MOQ: low · Lead: sample 3–5 days · Certs: ISO 9001 · IATF 16949
Quick answer: An aluminum U channel is an extruded aluminum profile with a U-shaped cross-section (a base web and two legs) used to cap, edge, guide or frame panels, glass and other parts. Xingyong has manufactured aluminum U channel since 2002 with 14 extrusion presses and 3,000 tons/month capacity, supplying 6063, 6061 and 6005 channels from 8–150 mm wide in mill, anodized and powder-coated finishes to ISO 9001 & IATF 16949. Custom dies, low MOQ and 3–5 day samples are available.
What Is Aluminum U Channel?
An aluminum U channel — also called U-profile or aluminum channel — has a simple cross-section: a flat base web with two upright legs forming a "U". That shape lets it cap, edge, guide or frame panels, glass and boards, or serve as a lightweight structural member. What separates a precise U channel from a cheap one is dimensional control — the inner slot width, leg height, wall thickness, squareness and straightness decide whether a panel slides in cleanly and the assembly stays square. That is why die design and extrusion accuracy matter.

Equal-leg vs unequal-leg
Symmetric U or J-shaped channel with one longer leg — both available to drawing.

Panel-fit inner width
Slot sized to your panel thickness (1.5–25 mm) with controlled fit tolerance.

Alloy & temper
6063-T5 for finish, 6061-T6 for strength, 6005 for a balance — your call.

Any finish
Mill, anodized (clear / black / bronze / color) or powder-coated.
Types of Aluminum U Channel We Extrude

Equal-Leg U Channel
Symmetric U with two equal legs — the standard panel cap and edge channel.

Unequal-Leg / J Channel
One leg longer than the other for retaining, trim and reveal details.

Deep U Channel
Tall legs / deep groove for thick panels, glass and structural framing.

Panel-Edge / Slot Channel
Precision slot to edge glass, acrylic and composite panels — related to aluminum trim.

LED U Channel
U profile for LED strips with diffuser groove — see our LED profiles.

Custom U Channel
New die from your drawing — any wall, width and leg ratio. Tooling in-house.
Aluminum U Channel Specifications
| Parameter | Standard Range | Notes |
|---|---|---|
| Alloy / Temper | 6063-T5, 6061-T6, 6005-T5 | Other alloys to request |
| Outer width | 8 – 150 mm | Custom dies available |
| Leg / flange height | 6 – 80 mm | Equal or unequal legs |
| Wall thickness | 0.8 – 5.0 mm | Per strength / fit need |
| Length | Up to 6 m (cut-to-size) | CNC cut, drilled, notched |
| Dimensional tolerance | to ±0.05 mm | Per ASTM B221 |
| Finish | Mill / Anodized / Powder-coated | Clear, black, bronze, custom RAL |
All specifications are made-to-order. Send a drawing, sample or sketch for an exact custom spec quotation.
6063 vs 6061 vs 6005 for U Channel
| Alloy / Temper | Best For | Trade-off |
|---|---|---|
| 6063-T5 | Clean anodized finish, thin walls, decorative & panel-edge channel | Lower strength than 6061 |
| 6061-T6 | Structural, load-bearing frames, higher strength | Slightly less smooth anodized look |
| 6005-T5 | Balance of strength and surface quality, medium structural | Less common stock; may need MOQ |
Why Source U Channel From Xingyong

Precision Die & Tolerance
In-house die design and 14 presses hold profile tolerance to ±0.05 mm so legs stay square and panels fit first time. See our quality assurance.

Finishing In-House
Two automatic anodizing lines plus powder coating give consistent color and corrosion resistance — full anodizing & finishing control.

Cut, Drilled & Machined
U channel arrives ready to assemble — cutting, drilling, punching and CNC machining done before shipment.
MOQ, Lead Time & Custom U Channel Sourcing
We work the way procurement and OEM teams need. Standard profiles ship at low MOQ; a new custom die carries a one-time tooling charge and stays in-house, so you control the design from drawing to mass production. Send a drawing, STEP, sample or sketch and we evaluate it for manufacturability (DFM), then quote within 24 hours with a 3–5 day sample.

Low MOQ & own tooling
Standard stock low-MOQ; in-house dies for custom sections.

Drawing / sample to product
DFM review, 3–5 day samples, 24-hour quotes. Custom spec »

Retail & audit ready
Private-label packaging, batch traceability, BSCI & ISO for big-box vendor onboarding.
Certified, Audit-Ready Supply
Our aluminum U channel is produced under ISO 9001, ISO 14001, ISO 45001, ISO 50001 and IATF 16949, with BSCI social audit — ready for big-box and OEM vendor onboarding. Material is REACH / RoHS compliant. See our certifications & compliance.
Aluminum U Channel FAQ
What aluminum alloy is best for U channel?
6063-T5 is the most common choice for U channel because it extrudes into clean, thin-wall profiles and anodizes to a smooth, uniform finish. Choose 6061-T6 when the channel is structural and needs higher strength, or 6005-T5 for a balance of strength and surface quality.
Can you make a custom U channel size?
Yes. We design and cut a new extrusion die from your drawing, sample or sketch, so you can specify any outer width, leg height, inner slot width and wall thickness. Tooling is made in-house, which keeps custom U channel lead times and cost low.
What finishes are available for aluminum U channel?
Mill (as-extruded), anodized (clear, black, bronze, gold, champagne or custom color) and powder coating in custom RAL colors. Anodizing also improves corrosion resistance and surface hardness for outdoor and high-wear uses.
What is the difference between U channel and J channel?
A U channel has two legs of equal height, while a J channel (an unequal-leg U channel) has one leg longer than the other. J channel is used where one side needs to overlap, retain or hide an edge. We extrude both to your specification.
What is the MOQ and lead time for aluminum U channel?
Standard profiles ship at a low MOQ; a new custom die carries a one-time tooling charge. Samples are typically ready in 3–5 days and we quote within 24 hours. We cut to your exact length (up to 6 m) and can drill, punch and CNC-machine before shipment so parts are assembly-ready.
Do you supply U channel for big-box retail and OEM brands?
Yes. As an ISO 9001 and IATF 16949 manufacturer with BSCI social audit, we supply private-label and OEM aluminum U channel with retail-ready packaging and batch traceability for big-box and brand programs.
Also building framing systems? See our T-slot aluminum profiles.
Ready to Source Aluminum U Channel?
Send your drawing, sample or specs — we quote custom extruded U channel within 24 hours.
Reviewed by the Xingyong aluminum engineering team · Manufacturer of aluminum U channel since 2002 · Last updated June 2026.
