Henan Gnee New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of 6061 6063 t6 aluminum tube for connector sensor protection in China. With abundant experience, we warmly welcome you to wholesale high quality 6061 6063 t6 aluminum tube for connector sensor protection in stock here from our factory. Good service and reasonable price are available.
When manufacturing delicate electronic components, the outer housing is just as important as the internal chip. GNEE supplies premium 6061 and 6063 T6 aluminum tubes designed specifically for protecting industrial sensors and electronic connectors.
Our Core Selling Points:
- Tight tolerance for sensor & connector housing (No internal rattling or sticking).
- Custom OD / ID / Length available directly from our extrusion lines.
Chemical Composition of 6061 6063 T6 Aluminum Tube
| Element (%) | 6061-T6 | 6063-T6 |
|---|---|---|
| Aluminum (Al) | Balance | Balance |
| Silicon (Si) | 0.4 – 0.8 | 0.2 – 0.6 |
| Magnesium (Mg) | 0.8 – 1.2 | 0.45 – 0.9 |
| Copper (Cu) | 0.15 – 0.4 | ≤0.1 |
| Iron (Fe) | ≤0.7 | ≤0.35 |
| Zinc (Zn) | ≤0.25 | ≤0.1 |
| Titanium (Ti) | ≤0.15 | ≤0.1 |
Mechanical Properties of 6061 6063 T6 Aluminum Tube
| Property | 6061-T6 | 6063-T6 |
|---|---|---|
| Tensile Strength | ≥ 290 MPa | ≥ 205 MPa |
| Yield Strength | ≥ 240 MPa | ≥ 170 MPa |
| Elongation | ≥ 8% | ≥ 10% |
| Hardness (HB) | ~95 | ~73 |
| Density | 2.7 g/cm³ | 2.7 g/cm³ |
Choosing the right alloy is critical for your product's success. Both 6061 and 6063 are treated to a T6 temper for maximum hardness, but they behave differently during manufacturing. We strictly follow ASTM B221 and ASTM B210 standards.
more about:6061 T6 vs 6063 T6 Aluminum Tubes for Sensor
Send your working environment details to the GNEE engineering team. We will recommend the best alloy and send you a fast quote within 24 hours.
Specifications of 6061 T6 6063 T6 Aluminum Tube for Connector Sensor Protection
| Outer Diameter | φ4.8 mm – φ20 mm |
| Wall Thickness | 0.25 mm – 0.5 mm |
| Length | 10 mm – 6000 mm |
| Alloy | 1060, 1100, 3003, 3103, 5052, 6061, 6063, 7001, 7005,7075, etc. |
| Temper | O, H14, H18, H24, T5, T6, etc. |
| Supply Form | Straight strips and coils of fixed length |
|
Surface |
Anodizing, Chemical Polishing, Electrophoretic Coating, Sandblasting, Brushed, Mirror Finish |
Main Applications of 6061 6063 T6 Aluminum Tube for Connector Sensor Protection
Tolerance Standards
Our Tolerance Capabilities
Standard Extrusion Tolerance: OD/ID ±0.1 mm
Precision CNC Machined Tolerance: OD/ID ±0.05 mm
Industry Reference:
Normal commercial extrusion factories only offer tolerances of about ±0.008 inches (≈ ±0.2 mm) and allow a wall thickness deviation of ±10%. That is fine for windows, but bad for sensors.
Our Promise to Buyers:
We provide tighter tolerances than standard extrusion limits for sensor-grade applications.
GNEE Advanced Anodizing Capabilities for Aluminum Tubes
GNEE offers a full range of surface treatment solutions for aluminum tubes, including long bar anodizing, hard anodizing, electrophoresis coating, and powder coating. For precision applications such as connector protection and sensor housings, long bar anodizing ensures uniform oxide film distribution along the entire tube length (up to 3000mm), maintaining consistent color, thickness, and corrosion resistance.
Our anodizing thickness can be controlled within 20–25 μm, meeting industrial standards for outdoor and humid environments. Compared to standard surface treatments, anodized aluminum tubes provide enhanced wear resistance, electrical insulation, and long-term durability, making them ideal for electronics, automotive sensors, and industrial equipment.
Standard Anodizing Process
To ensure stable and high-quality surface performance, all aluminum tubes undergo a strict anodizing process:
- Degreasing-removes oil and contaminants from extrusion
- Alkali Washing – eliminates oxide layers and impurities
- Neutralization – balances surface chemistry
- Chemical Polishing-improves surface smoothness and brightness
- Anodizing (Oxidation)-forms a controlled oxide layer under electrical current
- Dyeing (optional) – adds color through pore absorption
- Sealing – closes pores to enhance corrosion resistance
- Drying – ensures a clean and stable final surface
This standardized process ensures uniform coating adhesion, consistent thickness, and excellent corrosion resistance, which are critical for precision components such as sensor tubes and connector protection housings.
Manufacturing Capability
Extrusion Lines: Multiple advanced extrusion presses dedicated to small-diameter precision tubes.
CNC Machining: Full support for turning, milling, and drilling holes in your tubes.
Cutting Tolerance: We cut to your exact length with an accuracy of ±0.1 mm.
Surface Treatment: In-house polishing, sandblasting, and anodizing.
The GNEE Advantage:
We accept multi-size & small-batch orders for OEM sensor manufacturers.
- Small Minimum Order Quantity (MOQ)
- Multi-size mixed orders accepted in one shipment
- Fast sampling for your R&D department
Inspection & Quality Control
GNEE conducts strict quality control following ISO, ASTM, and GB standards.
Our Inspection Process:
- OD / ID Measurement: Checked with precision micrometers and plug gauges to ensure your PCB fits.
- Thickness Test: Ultrasonic testing to ensure uniform wall thickness, preventing weak spots.
- Surface Inspection: 100% visual check under bright lights to remove tubes with scratches or extrusion lines.
- Anodized coating thickness testing: Measurements are taken using a digital coating thickness gauge to ensure compliance with customer requirements.
Packaging & Shipping
Standard Packaging Steps:
- Plastic Film Protection: Each individual tube, or small bundle, is wrapped in soft PE film to prevent metal-on-metal scratching.
- Outer Protection: Placed securely inside strong corrugated cartons or heavy-duty wooden cases (fumigation certified).
- Custom Packaging: If you need specific barcode labels or custom box sizes for your warehouse, we support it.
Shipping Options:
Methods: Sea freight (cheapest for bulk), Air freight, or Express (DHL/FedEx for urgent R&D samples).
Lead Time: 7 – 20 days depending on whether it is a stock size or a newly extruded custom profile.
Aluminum Price Reference
At GNEE, our pricing is directly tied to the global raw material market.
Pricing Formula:
Price is linked to the SMM aluminum ingot price + processing cost.
SMM: The daily base price of raw aluminum ingots on the Shanghai Metals Market.
Processing Cost: Depends on your required tolerance, CNC cutting, and anodizing thickness.
Send us your drawing or dimensions today. We will calculate the exact processing cost and provide an official quote based on today's SMM aluminum price.
Customer Case – Vietnam Electronics Manufacturer
Project Background
A leading electronics manufacturer in Vietnam specializing in sensor modules and industrial connectors required high-precision aluminum tubes for protecting internal components in humid and corrosive environments.
Customer Requirements
- Material: 6063-T6 aluminum tube and 6061 -T6 aluminum tube
- Application: connector protection & sensor probe housing
- Surface: clear anodizing (uniform appearance)
- Tolerance: ±0.05 mm for inner diameter
- Quantity: 10 tons
GNEE Solution
Precision-extruded 6063-T6 and 6061 -T6 aluminum tubes
CNC inner diameter finishing for smooth sensor insertion
Anodizing compliant with industrial standards (10–15 μm)
Mixed-size production in one batch
read more about: Customer Case – Vietnam Electronics Manufacturer
As one of China's aluminum manufacturers, GNEE possesses hundreds of molds capable of producing a full range of cold-drawn aluminum tube sizes. We can fulfill orders of various sizes and shapes, offering competitive prices and one-stop supply to alleviate your concerns.
GNEE also provides services like CNC machining, bending, sawing, milling, and more. All our products are CE and ISO9001 certified, and we can customize products to meet specific standards, such as JIS, EN, ASTM, and others, according to customer requirements. For more information, please email us to discuss further. GNEE looks forward to collaborating with you!
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