Henan Gnee New Material Co., Ltd. is one of the most reliable manufacturers and suppliers of 6061-t6 aluminum 90° elbow in China. With abundant experience, we warmly welcome you to wholesale high quality 6061-t6 aluminum 90° elbow in stock here from our factory. Good service and reasonable price are available.
6061-T6 Aluminum 90° Elbow Description
Our 6061 aluminum 90° elbow is a precision-manufactured butt weld pipe fitting designed for permanent, leak-proof directional changes in aluminum piping systems. Fabricated from 6061-T6 aluminum alloy - the most widely used heat-treatable aluminum grade - these elbows combine excellent corrosion resistance with a tensile strength of 310 MPa (45 ksi), making them ideal for demanding industrial environments.
Each elbow is manufactured to ASME B16.9 and ASTM B241/B361 specifications with full material traceability. Whether you need standard stock sizes or custom angles and wall thicknesses, our aluminum elbow product line is backed by ISO 9001:2015 certified manufacturing processes.
Mechanical Properties (6061 T6 Temper)
| Tensile Strength (Ultimate) | 310 MPa / 45 ksi |
| Yield Strength (0.2% Offset) | 275 MPa / 40 ksi |
| Elongation at Break | 12% (up to 6.35mm thickness) |
| Modulus of Elasticity | 69 GPa / 10,000 ksi |
| Shear Strength | 207 MPa / 30 ksi |
| Hardness (Brinell) | 95 HB |
Physical Properties Of 6061 Aluminum Elbow
| Density | 2.70 g/cm³ |
| Melting Point | 582–652°C / 1080–1205°F |
| Thermal Conductivity | 167 W/m·K |
| Thermal Expansion | 23.6 μm/m·K |
| Electrical Resistivity | 3.99 × 10−6 Ω·cm |
| Fatigue Limit (500M cycles) | 97 MPa / 14 ksi |
Chemical Composition (Weight %)
| Al | Mg | Si | Fe | Cu | Cr | Zn | Ti | Mn | Others |
|---|---|---|---|---|---|---|---|---|---|
| 95.85–98.56 | 0.80–1.20 | 0.40–0.80 | ≤ 0.70 | 0.15–0.40 | 0.04–0.35 | ≤ 0.25 | ≤ 0.15 | ≤ 0.15 | ≤ 0.15 |
Specification of GNEE 6061-T6 Aluminum Elbow
| Parameter | Specification |
|---|---|
| Aluminum Alloy | 6061, 6063, 5083, 5086,etc. |
| Temper | O, T5, T6, T651 |
| Outer Diameter | 6 mm – 500 mm |
| Wall Thickness | 1 mm – 50 mm |
| Angle | 45°, 60°, 90°, 180°, Custom |
| Radius | Short Radius (1D), Long Radius (1.5D), Custom |
| Schedule
|
SCH10, SCH40, SCH80, SCH160(Available for specific pipe systems) |
| Connection | Butt Weld, Socket Weld, Flange, Threaded |
| Manufacturing | Extruded, Forged, Cast, CNC Machined |
| Surface | Mill Finish, Anodized, Polished, Powder Coated |
| Standards | ASTM B241, ASTM B247, EN 755 |
Standard Long Radius 90° Aluminum Elbow Dimensions
| Nominal Size | DN | OD (in) | OD (mm) | Center to Face (in) | Wall Sch 40 (in) | Approx. Weight (lb) |
|---|---|---|---|---|---|---|
| 1/2″ | DN15 | 0.840 | 21.3 | 1.50 | 0.109 | 0.12 |
| 3/4″ | DN20 | 1.050 | 26.7 | 1.50 | 0.113 | 0.18 |
| 1″ | DN25 | 1.315 | 33.4 | 1.50 | 0.133 | 0.28 |
| 1-1/2″ | DN40 | 1.900 | 48.3 | 2.25 | 0.145 | 0.55 |
| 2″ | DN50 | 2.375 | 60.3 | 3.00 | 0.154 | 0.85 |
| 3″ | DN80 | 3.500 | 88.9 | 4.50 | 0.216 | 3.20 |
| 4″ | DN100 | 4.500 | 114.3 | 6.00 | 0.237 | 5.20 |
| 6″ | DN150 | 6.625 | 168.3 | 9.00 | 0.280 | 11.50 |
| 8″ | DN200 | 8.625 | 219.1 | 12.00 | 0.322 | 21.00 |
| 10″ | DN250 | 10.750 | 273.1 | 15.00 | 0.365 | 34.00 |
| 12″ | DN300 | 12.750 | 323.9 | 18.00 | 0.375 | 52.00 |
Custom wall thicknesses (Sch 10, Sch 80, Sch 160) and short radius (1.0D) available on request. All weights are approximate for estimation purposes.
Technical Notes:
- Dimensional Tolerances: Strictly conforming to ASME B16.9. Wall thickness tolerance is generally ±12.5% of the nominal thickness. Off-angle tolerance is controlled within ±0.5° to ±1° (depending on OD).
- End Preparation: Standard supplied with Beveled Ends (BE) per ASME B16.25 for immediate butt-welding. Plain Ends (PE) or custom grooves are available upon request.
Applications of 6061-T6 Aluminum Elbows
01
Marine & Shipbuilding
6061-T6 elbows are extensively used in shipboard piping for cooling water, ballast, bilge, and firefighting systems. Their light weight reduces vessel displacement, and natural corrosion resistance outperforms carbon steel in saltwater environments.
02
Hydraulic & Pneumatic Systems
For hydraulic oil return lines, lube oil circuits, and compressed air distribution, 6061 elbows provide leak-free butt weld connections with minimal pressure drop. The smooth internal bore of long radius elbows reduces turbulence by 15–30% compared to short radius alternatives.
03
Aerospace & Aviation
Where weight savings are critical, 6061-T6 elbows are specified for fuel, hydraulic, and pneumatic lines in aircraft and spacecraft. The alloy's 40 ksi yield strength and 2.70 g/cm³ density deliver an exceptional strength-to-weight ratio.
04
Chemical & Process Piping
With resistance to pH levels from 3 to 11 and operating temperatures from −50°C to 200°C, 6061 elbows handle mild chemical transfer, food-grade processing, and water treatment applications. Anodized finishes provide additional protection for aggressive environments.
Why Choose 6061-T6 for 90° Elbows?
Not all aluminum grades are equal. Here's how 6061-T6 compares against other common aluminum alloys used in pipe fittings - and why it's the preferred choice for structural piping applications.
| Property | 6061-T6 | 6063-T6 | 5083-O | 304 SS |
|---|---|---|---|---|
| Tensile Strength | 310 MPa | 240 MPa | 300 MPa | 515 MPa |
| Yield Strength | 275 MPa | 215 MPa | 145 MPa | 205 MPa |
| Density | 2.70 g/cm³ | 2.70 g/cm³ | 2.66 g/cm³ | 8.00 g/cm³ |
| Weight vs Steel | 66% Lighter | 66% Lighter | 67% Lighter | Baseline |
| Best For | Structural, pressure piping | Architectural, decorative | Seawater, cryogenic | High temp, extreme pressure |
GNEE Manufacturing & Quality Control
Precision Forming
Aluminum elbows are formed from seamless 6061-T6 aluminum pipe using CNC-controlled mandrel bending or hot-formed extrusion. Internal bore is smooth with no wrinkling or ovality beyond ASME B16.9 tolerances.
Quality Inspection
Every production batch undergoes dimensional inspection (CMM), PMI (Positive Material Identification), hydrostatic pressure testing at 1.5× working pressure, dye penetrant inspection, and visual examination per ASTM B241.
Material Certification
Full traceability from raw billet to finished fitting. Every shipment includes EN 10204 Type 3.1 material certificates, mill test reports (MTR) with chemical analysis and mechanical properties, and certificates of conformance.
Export Packaging & Delivery
We understand that protecting the beveled ends of aluminum fittings during global transit is critical.
- End Protection: Fitted with heavy-duty plastic end caps to prevent mechanical damage, denting, and dirt ingress during transit.
- Outer Packing: Securely packed in fumigation-free plywood cases or on reinforced wooden pallets, fully shrink-wrapped and strapped. Suitable for rough handling and long-distance ocean freight (LCL/FCL).
- hipping Flexibility: Offering EXW, FOB, CIF, and DDP terms. Door-to-door delivery available to major global ports (including extensive experience exporting to the Middle East, Europe, and Southeast Asia).
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