Aluminum Fittings

Aluminum Pipe Fittings at a Glance

 

Item	Available Options
Product Type	Elbow, Tee, Reducer, Cross, Cap, Bend, Stub End, Flange, Coupling, Custom Fittings
Aluminum Alloys	6061, 6063, 6082, 5083, 5086, and other alloys upon request
Tempers	O, H32, H111, H116, H321, T6, and other tempers depending on alloy and product
Manufacturing	Extruded, seamless, welded, formed, machined, fabricated
Connection	Butt weld, socket, threaded, flanged, custom connection
Standards	ASTM B361, ASME B16.9, ASME SB361, MSS SP-43, and customer specifications
Size	Custom OD, wall thickness, center-to-end dimension and angle
Elbow Angles	45°, 90°, 180° and custom angles
Radius	Short radius, long radius and custom centerline radius
Surface	Mill finish, machined finish and other finishes upon request
Inspection	Dimensional inspection, chemical composition, mechanical testing and visual inspection
Application	Marine, chemical, oil & gas, LNG, cryogenic, compressed air, HVAC, and industrial piping
Order Type	Standard sizes, custom sizes, trial orders, bulk orders and OEM projects

 

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GNEE Aluminum Fittings Product Range

 

 

Fitting	Main Function	Common Configuration
Aluminum Elbow	Changes pipe direction	45°, 90°, 180°
Aluminum Tee	Creates a branch connection	Equal / Reducing
Aluminum Reducer	Connects different pipe sizes	Concentric / Eccentric
Aluminum Coupling	Connects two pipes in a straight line	Full / Half / Reducing*
Aluminum Union	Allows pipe connection and disconnection	Threaded / Customized*
Aluminum Cap	Closes the pipe end	Butt Weld / Threaded*
Aluminum Bushing	Connects different threaded sizes	Male × Female
Aluminum Sockolet	Creates a socket-weld branch	Branch outlet
Aluminum Threadolet	Creates a threaded branch	Threaded branch outlet
Aluminum Elbolet	Creates a branch on an elbow	Welded / Threaded*

 

Aluminum Fitting Connection Types

 

The connection method is one of the most important factors when selecting aluminum pipe fittings.

 

Butt Weld

Butt-weld fittings are joined to the pipe by welding the fitting end directly to the pipe.

Typical products include:

• Elbows
• Tees
• Reducers
• Caps
• Couplings

For applicable wrought aluminum welding fittings, ASTM B361 covers factory-made wrought aluminum and aluminum-alloy welding fittings, including butt-welding and socket-end parts.

 

For dimensional requirements, ASME B16.9 covers factory-made wrought buttwelding fittings and specifies dimensions, tolerances, ratings, testing, and marking requirements.

 

Socket Weld

 

Socket-weld fittings allow the pipe to be inserted into a socket before welding.

For aluminum and other nonferrous materials, ASME B16.52 is particularly relevant because it specifically covers forged fittings made from titanium, titanium alloys, aluminum, and aluminum alloys with socket-welding and threaded ends.

 

Threaded

Threaded aluminum fittings are connected through machined threads.

Common information required for quotation includes:

Thread type

Male / Female

Pipe size

Alloy

Pressure requirement

Thread standard

 

For applicable forged nonferrous aluminum fittings, ASME B16.52 provides requirements covering dimensions, tolerances, marking and material requirements

 

Aluminum Fittings Standards

 

GNEE can discuss applicable international standards according to fitting type, manufacturing method and customer specification.

For aluminum fittings, commonly referenced standards may include:

 

Standard	Scope / Use
ASTM B361	Factory-made wrought aluminum and aluminum-alloy welding fittings
ASME B16.9	Factory-made wrought buttwelding fitting dimensions and requirements
ASME B16.52	Forged nonferrous fittings including aluminum and aluminum alloys
ASTM B247	Aluminum and aluminum-alloy forgings
EN Standards	To be confirmed according to product type and customer specification

 

ASTM B361 specifically covers factory-made wrought aluminum and aluminum-alloy welding fittings and includes butt-welding and socket-end fittings.

ASME B16.52 is particularly useful for this category because its scope explicitly includes aluminum and aluminum-alloy forged fittings with socket-welding and threaded ends.

 

Important

The applicable standard depends on the fitting type, manufacturing process and connection method. GNEE does not recommend claiming compliance with a standard unless the specific product has been manufactured and inspected according to that standard.

 

Aluminum Fitting Sizes

 

GNEE supplies aluminum pipe fittings according to standard dimensions or customer drawings.

For quotation, buyers are recommended to provide:

Required Information	Example
Fitting Type	90° Elbow
Pipe OD	60.3 mm
Wall Thickness	3 mm
Alloy	6061-T6
Connection	Butt Weld
Angle	90°
Radius	Long Radius
Quantity	100 pcs
Standard	ASME B16.9 / ASTM B361
Drawing	PDF / DWG if customized

 

Custom dimensions

For non-standard aluminum fittings, customers can send a drawing or dimensional sketch.

GNEE can evaluate:

• Outside diameter
• Inside diameter
• Wall thickness
• Center-to-end dimension
• Bend radius
• Branch size
• Thread specification
• Connection dimensions
• Overall length

Get Project Quotation

 

 

Applications of Aluminum Pipe Fittings

 

Aluminum fittings are used where low weight, corrosion resistance, weldability and compatibility with aluminum piping systems are important.

Marine & Shipbuilding

Aluminum fittings can be used in selected marine piping and equipment applications where the alloy, temper and service conditions are appropriate.

Industrial Piping

Applications include equipment piping, air systems, process support systems and general industrial installations.

HVAC & Heat Transfer

Aluminum pipe and tube systems can use elbows, tees, reducers and other fittings to create compact piping layouts.

Transportation Equipment

Lightweight aluminum piping components can be considered for transportation and mobile equipment where weight reduction is important.

General Engineering

Custom aluminum fittings can be used for fabricated equipment, frames, piping assemblies and machinery.

 

Aluminum Fittings Manufacturing Process

 

Depending on the product type, aluminum fittings may be produced through processes such as forming, extrusion, machining, forging, bending and welding.

 

A typical production workflow includes:

Raw Material → Cutting / Forming → Machining → Welding or Threading → Heat Treatment if Required → Surface Finishing → Inspection → Marking → Packing

 

 

Packaging & Delivery of Aluminum Pipe Fittings

 

GNEE uses protective packaging methods according to the fitting size, quantity, shape, surface condition and transportation method. Aluminum pipe fittings are protected against scratching, deformation, contamination and movement during handling and international transportation.

 

For export orders, the packaging method can be discussed according to the customer's requirements and the actual fitting configuration.

 

Aluminum Fittings Packaging Options

 

Packaging Method	Typical Use	Protection
Plastic Bag / PE Film	Small fittings and individual pieces	Protects against dust, moisture and surface scratches
Carton Box	Small and medium-sized fittings	Suitable for organized packing of individual or multiple pieces
Woven Bag	Bulk or lightweight fittings	Provides outer protection during handling
Wooden Case	Heavy, large or precision fittings	Provides stronger protection during international transportation
Wooden Pallet	Multiple cartons or bulk fittings	Facilitates forklift handling and container loading
Customized Packaging	Special-size or project orders	Designed according to fitting dimensions and customer requirements

 

Individual Protection

 

For aluminum fittings with machined or finished surfaces, individual protection can be used to reduce contact between pieces during transportation.

Depending on the product, GNEE may use:

PE bags

Plastic film

Protective paper

Foam or other cushioning materials

Separators between individual fittings

The final protection method depends on the fitting geometry and surface requirements.

 

Carton & Pallet Packaging

 

Small and medium-sized aluminum fittings can be packed in cartons and then secured on wooden pallets for easier loading, unloading and warehouse handling.

 

Typical packing sequence:

Individual Protection → Carton Packing → Palletizing → Strapping → Stretch Film → Container Loading

For mixed-size orders, fittings can be separated by product type, size or purchase-order item to make receiving and identification easier.

 

Wooden Case Packaging

 

For large, heavy or irregularly shaped fittings, wooden cases can provide additional protection during international transportation.

The fittings are secured inside the case to reduce movement during:

Truck transportation

Port handling

Container loading

Ocean transportation

Unloading at destination

For customized or high-value orders, the packaging method can be confirmed before production and shipment.

 

Export Packaging

 

GNEE can arrange export-oriented packaging according to the destination, transportation method and customer requirements.

Before shipment, the packed goods can be checked for:

Product quantity

Fitting type

Size identification

Package condition

Marking

Packing list consistency

Where required, package marks can include information such as:

Product Name | Alloy | Size | Quantity | PO Number | Package Number | Country of Origin

 

Packaging for Different Aluminum Fittings

 

Product	Recommended Packaging Approach
Aluminum Elbow	PE protection + carton/pallet or wooden case
Aluminum Tee	Individual/bulk protection + carton/pallet
Aluminum Reducer	PE protection + carton/pallet or wooden case
Aluminum Coupling	Bag/carton + pallet for larger quantities
Aluminum Union	Individual protection + carton
Aluminum Bushing	Small-piece packaging + carton
Aluminum Pipe Cap	Individual/bulk protection + carton/pallet
Branch Outlet Fittings	Individual protection + carton/pallet
Large / Custom Fittings	Wooden case or customized packaging

Note: The actual packaging method is selected according to product dimensions, quantity, weight, surface requirements and transportation conditions.

 

Aluminum Fittings Quality Inspection

 

GNEE can organize inspection according to the product specification and purchase order requirements.

Typical inspection items may include:

 

1. Material Verification

Chemical composition can be checked against the specified aluminum alloy.

 

2. Dimensional Inspection

Important dimensions include:

Outside diameter

Inside diameter

Wall thickness

Overall length

Center-to-end dimension

Bend radius

Branch dimensions

Thread dimensions

 

3. Visual Inspection

The fitting surface is checked for visible:

Cracks

Deformation

Surface damage

Welding defects

Burrs

Dimensional abnormalities

 

4. Mechanical Testing

Where required by the applicable material specification, mechanical testing may include:

Tensile strength

Yield strength

Elongation

Hardness

 

5. Welding Inspection

For welded fittings, inspection requirements should be determined according to the applicable product specification and customer requirements.

 

6. Documentation

Available documentation should be stated according to the actual order, such as:

Mill Test Certificate

Material Certificate

Inspection Report

Dimensional Inspection Report

Packing List

Certificate of Origin

 

Why Choose GNEE Aluminum Fittings?

1. Aluminum Supply Chain

GNEE focuses on aluminum products, including sheets, coils, bars, profiles, pipes, and related aluminum components. GNEE supplies aluminum products across multiple alloy series.

 

2. Multiple Aluminum Alloys

For the fittings category, GNEE currently lists 6061, 6063, and 5083 as available alloy options.

 

3. Custom Dimensions

Customers can provide drawings or detailed dimensions for non-standard fittings, allowing the fitting design to be evaluated according to the mating pipe and project requirements.

 

4. International Export Experience

GNEE's website states that its products are exported to international markets and that the company works with customers across multiple industries.

 

5. Documentation

For project orders, material and inspection documentation can be discussed according to the applicable specification and purchase order.

 

6. One Supplier for Aluminum Materials

A major advantage for aluminum piping projects is the ability to source related aluminum products from the same supply chain, including:

Aluminum Pipe → Aluminum Fittings → Aluminum Plate → Aluminum Bar → Aluminum Profiles

 

 

As one of the leading aluminum fittings manufacturers in China, we warmly welcome you to buy discount aluminum fittings made in China here from our factory. All customized products are with high quality and low price. Contact us for quotation and free sample.