Description

Large diameter aluminum tube are lightweight, high-strength, have good thermal conductivity, corrosion resistance, and are highly machinable, making them widely used in construction, transportation, electronics, and industrial equipment.

Classification of Large Diameter Aluminum Tube:

Large diameter aluminum tube are mainly divided into seamless aluminum tubes and ordinary extruded aluminum tubes.

Classification of Large Diameter Aluminum Tube by Shape:

Square Tube: Aluminum tube with a square cross-section.

Round Aluminum Tube: Aluminum tube with a circular cross-section.

Patterned Tube: Aluminum tube with a patterned surface, commonly used for decorative or anti-slip applications.

Irregularly Shaped Tube: Aluminum tubes with non-standard shapes, such as flat tubes and oval tubes.

Classification by Extrusion Method: Seamless Aluminum Tube: Produced through hot extrusion, without welded seams, suitable for high-pressure or precision applications. Ordinary Extruded Tube: Produced through conventional extrusion processes, may have welded seams. Classification by Thickness: Thin-walled Aluminum Tube: Thinner wall thickness, typically used for lightweight applications or fluid transport.

Thick-walled Aluminum Tube: Thicker wall thickness, suitable for high-pressure applications or structural support. Manufacturing Processes of Large Diameter Aluminum Tube.

The main manufacturing processes for large diameter aluminum alloy tubes are as follows:

1. Stretching: Aluminum alloy bars are preheated and stretched to form large diameter aluminum tube.

2. Extrusion: Aluminum alloy bars are placed in an extrusion press and extruded to form large-diameter aluminum tube.

3. Welding: Multiple aluminum alloy plates or bars are cut and welded to form large-diameter aluminum alloy tubes.

Applications of Large Diameter Aluminum Tube

Large diameter aluminum alloy tubes are widely used in aerospace, automotive manufacturing, and construction engineering. Specific applications include:

1. Aerospace: As components for aircraft and rockets, such as fuselages, wing spars, and engine mounts.

2. Automotive Manufacturing: As components for car bodies, chassis, and engines, such as doors, windows, and roofs.

3. Construction Engineering: As supporting structures for buildings, such as bridges, railway tracks, and high-rise buildings.

Product Details and Specification

Product	Aluminum Pipe Tube
Standard	ASTM/ JIS/ GB/ DIN/ BS/ GOST
Thickness (mm)	Thin	0.15-2.0
	Conventional	2.0-6.0
	Middle	6.0-25.0
	Thick	25-200
	Super thick	>200
Status	F XX	Free processing
	O XX	Annealed
	H XX	Work hardening
	W XX	Solid solution heat treatment
	T XX	Heat treatment
Surface	Polyester spraying, power spraying, fluorocarbon spraying, PE film, Mill, Bright, Polished, Hairline etc.
Application	Lighting /Solar reflective sheet/Building appearance/Interior decoration: ceiling, wall/Furniture, cabinets/Elevator/Signs, nameplates, luggage/Interior and exterior decoration of automobiles/Interior decorations: such as Frame/household appliances: refrigerators, microwave ovens, audio equipment/Aerospace aspects/Machining parts processing/Mold manufacturing/Chemical industry/heat preservation pipe coating/High-quality ship board

Features of aluminum product series

Composition	Grade	Property
Pure Aluminum (>99%)	1XXX	No less than 99% aluminum. Excellent corrosion resistance, high thermal and electrical conductivity, low mechanical properties and excellent machinability
Al-Cu	2XXX	Good strength, being the ideal material for manufacturing parts, but the corrosion resistance is weaker
Al-Mn	3XXX	Also known as rust-proof aluminum
Al-Si	4XXX	Commonly used as welding materials, commonly used as building materials. After anodized surface treatment, it will appear dark gray.
Al-Mg	5XXX	Hardened aluminium alloy, suitable for marine climates
Al-Mg/Si	6XXX	Good formability, weldability, machinability and relatively good corrosion resistance
Al-Zn	7XXX	Commonly used in aircraft fuselage structures, mobile equipment and other high-strength parts
Al-Others	8XXX	Good electrical conductivity

COMMON AL & AL ALLOY COMPARISION TABLE

Type/Standard	GB	ASTM	BS	JIS	NF	DIN	GOST
Industrial Pure Al	1A99	1199				A199.99R	A99
	1A97					A199.98R	A97
	1A95						A95
	1A80		1080(1A)	1080	1080A	A199.90	A8
	1A50	1050	1050(1B)	1050	1050A	A199.50	A5
Anti-rust Al	5A02	5052	NS4	5052	5052	AlMg2.5	Amg
	5A03		NS5				AMg3
	5A05	5056	NB6	5056		AlMg5	AMg5V
	5A30	5456	NG61	5556	5957
Hard Al	2A01	2036		2117	2117	AlCu2.5Mg0.5	D18
	2A11		HF15	2017	2017S	AlCuMgl	D1
	2A12	2124		2024	2024	AlCuMg2	D16AVTV
	2B16	2319
Forging Al	2A80			2N01			AK4
	2A90	2218		2018			AK2
	2A14	2014		2014	2014	AlCuSiMn	AK8
Super Hard Al	7A09	7175		7075	7075	AlZnMgCu1.5	V95P
Froging Al Alloy	ZAlSi7Mn	356.2	LM25	AC4C		G-AlSi7Mg
	ZAlSi12	413.2	LM6	AC3A	A-S12-Y4	G-Al12	AL2
	ZAlSi5CulMg	355.2					AL5
	ZAlSi2Cu2Mgl	413		AC8A		G-Al12(Cu)
	ZAlCu5Mn						AL19
	ZAlCu5MnCdVA	201
	ZAlMg10	520.2	LM10		AG11	G-AlMg10	AL8
	ZAlMg5Si					G-AlMg5Si	AL13