Large Diameter Aluminum Pipe

Chalco is a leader in large diameter pipe production, with the patented vertical extrusion technology perfectly addressing the limitations of traditional extrusion methods in achieving larger diameters and forging methods in attaining greater lengths for seamless pipes.

• Large diameter seamless round pipes diameter up to 1320mm and lengths up to 13m.
• Large diameter seamless square pipes diameters up to 1200x1200mm and lengths up to 13m.
• Chalco also possesses advanced spiral welding technology, capable of producing large diameter welded pipes with a maximum diameter of 1528mm.

The innovative technologies, combined with our capabilities in producing conventional large diameter extruded, forged, and cold drawn pipes, give us a significant advantage in meeting the demands of various large diameter aluminum pipe projects. Consultation Welcome

Specification of Chalco large diameter tube pipe

Chalco is currently the first supplier using vertical extrusion technology to produce large diameter seamless pipes, with a maximum diameter of 1320mm and a length of 13m. It is also the first aluminum manufacturer to use spiral welding manufacturing technique. The maximum outer diameter for large diameter welded pipes can reach 1528mm; Forged aluminum pipes can reach a maximum of 1000mm; Hot selling large diameter aluminum pipes of 100-800mm are available.Quick Quote

Large diameter seamless aluminum tube pipe supply—Patented Technology (Highly Recommended)

Traditional seamless pipe production uses extrusion and drawing processes. Chalco has advanced this with a 50, 000-ton vertical hot extrusion press, overcoming technical challenges in producing large-diameter seamless pipes and reducing mold costs.

This advanced equipment produces seamless pipes with larger diameters, more flexible wall thicknesses, and greater lengths. Most importantly, the production efficiency is high; producing a large-diameter seamless pipe with a diameter of 1320mm takes only a few minutes. This patent fills the technical gap in producing large-diameter, long seamless pipes.Quick Quote

This giant seamless aluminum tube, with a diameter of 1.32 meters, wall thickness of 200 millimeters, and length of 12 meters, is the largest and thickest of its kind globally, filling an international market gap. It is designed for high-grade and large-scale applications in thermal power, nuclear power, petrochemicals, refining, and national defense industries.

characteristics of Chalco Vertical Extrusion Machine

Our seamless pipes are produced using the 50, 000-ton vertical extrusion press, which is 30 meters tall. The above-ground portion, 15 meters, houses the extrusion system, while the underground portion (15 meters) contains a dense network of high and low-pressure pipelines, forming the power system.

• High production efficiency: the 500MN extruder is used to make and perforate the billet, followed by vertical pressure, with the entire extrusion process taking just 10 minutes. The powerful press significantly reduces production time.
• Capability to produce large-diameter pipes: The system's power and design enable the production of large-diameter, thick-walled pipes that meet stringent industry standards.
• Professional heat treatment temperature control system: advanced pit-type furnace is used for heat treatment, with heating rate deviation less than ±5℃ and insulation process deviation under ±5℃.
• High precision machining: external boring and internal turning processes ensure diameter alignment deviation is less than 0.5, straightness is within 1:1000, and roughness is below 12.5.
• Enhanced product quality: the extrusion process ensures uniformity and consistency in the pipe's dimensions and properties.
• Cost-effective manufacturing: this process's efficiency and precision help reduce production costs and improve overall economic feasibility. Additionally, the patented internal boring and external turning technique saves on mold expenses.
• Versatility: the press can handle a variety of materials and produce pipes with different shapes and specifications, meeting diverse industry needs.

Large diameter seamless tube complementary products

Our production equipment includes complementary bending machines capable of producing bends and fittings for large-diameter seamless pipes. China Aluminum's large-diameter seamless pipes not only include straight pipes but also encompass special-shaped fittings processed through bending machines for enhanced flexibility and durability.

• Includes straight pipes and special-shaped fittings processed through bending machines.
• Bending machines ensure uniform diameter and wall thickness in curved sections compared to straight sections.
• High flexibility and durability.
• Capability to produce pipes with unique shapes.
• Excellent flexibility achieved through hot extrusion molding with a 50, 000-ton vertical press.

Large diameter seamless tube application fields

Large-diameter seamless pipes and their associated bent pipe products have opened up new manufacturing avenues for complex equipment and piping components such as nuclear main pump casings, main pipelines, oblique tees, and valve bodies. This is of significant importance in greatly reducing nuclear power construction costs and enhancing the level of nuclear power construction.

Cooperated fields: Nuclear power; Shipbuilding; Aerospace; Thermal power; Petrochemicals; Coal chemicals

Large diameter spiral welded aluminum tube pipe supply—Patented Technology (Hot Deals)

The maximum diameter of large diameter spiral welded pipes can reach 1580mm. Advanced low-temperature spiral welding production technology is used to weld narrow aluminum plates and strips into large diameter aluminum circular pipes through spiral welding. Flexible size, customizable according to user drawings.

The pressure of Chalco large-diameter spiral welding is designed to be 1.0MPa through the pipeline water injection pressure design of experiments. When the pressure reaches 5.1MPa, the welding seam is intact after blasting from the side of the middle section of the pipeline.Quick Quote

Alloy: 5052 5754 5083 5A05 Temper: O H112

High strength, good stress, and its circumferential stress is twice the axial stress.
Spiral welded pipes can produce welded pipes with larger diameters using narrower strip materials.
Good formability, with a straightness tolerance of no more than 1mm/m and no more than 0.5 ‰ of the length of the welded pipe.
Spiral welded pipes can theoretically be infinitely extended, with a typical cutting length of 12-18m.

Nominal pressure PN≤1.0 MPa
Nominal diameter DN	300	350	400	450	500	600	700	800	900	1000	1200	1300	1400	1500
OD	312	362	412	466	516	630	720	820	920	1020	1224	1324	1328	1528
WT δ	6	6	6	8	8	8	8	10	10	12	12	12	14	14
Theoretical weight kg	187	215	245.2	372.7	413.4	499.2	571.8	800	912	1214	1480	1573	1974	2117
The length of welded pipes in this table is 12000 mm The size of aluminum spiral welded pipe can be customized according to user drawings, with a customized unit of mm

Thin wall aluminum pipe—large size & high precision

Alloy: 2024 3003 5052 6061 6063 7075 5083 etc.Quick Quote

High-precision large-diameter thin-walled tubes are specialized pipes known for their high accuracy and lightweight design, commonly used in fields such as aerospace, automotive, and petrochemicals, where strength and weight are critical. Manufactured with advanced processing techniques, these tubes ensure precise control over outer diameter, inner diameter, and wall thickness tolerances, offering both structural rigidity and significant weight reduction.

Forged large diameter aluminum pipe tube supply

Alloy: conventional hot selling alloysQuick Quote Temper: T5 T6 T651 etc.

The maximum diameter can reach 1000mm; Good size control and excellent mechanical performance.

Extruded aluminum round/square tubes supply

Alloy: conventional hot selling alloysQuick Quote Temper: O F H14 H16 H18 T5 T6 T651 etc.

Maximum diameter 500mm; Excellent surface quality and good processing performance;

Thick wall large diameter aluminum round pipe supply

Alloy: 2024 5052 5083 6061 6063 7075 etc.Quick Quote

Tubes with a diameter over 250mm and wall thickness of 5-100mm, are used in high-pressure vessels, transporting liquids and gases, power transmission busbars, and related fields.

Chalco-reliable manufacturer and supplier of large diameter tube pipe

Production capacity guarantee: Chalco's comprehensive production line for aluminum pipes covers melting, rolling, forging, and extrusion, with an advanced low-temperature aluminum alloy spiral welding line for varied capacity and specifications.

Quality assurance: We ensure quality through advanced production lines and strict inspection systems for pressure pipeline components, enhancing project safety and reliability.

Certification system: Chalco holds quality system certifications such as ISO 9001, GJB 9001, AS9100, TS16949, and Nadcap certificates for Non Destructive/Heat/Materials Testing.

Cooperative partners: Chalco's large-diameter aluminum pipes are integral to projects including submarine oil and gas pipelines, international space stations, high-speed railway track supports, and ocean engineering.

Aluminum pipe size chart: Chalco specializes in producing a wide range of popular-sized aluminum tubes. We offer reliable quality and a comprehensive selection to meet various needs.

Properties of Chalco hot selling large diameter aluminum tube pipe products

Why more and more industries choose to use Chalco large diameter aluminum tube pipe?

• Efficient water distribution, sewage systems, and energy transmission
• Environmental sustainability and infrastructure resilience
• Reliable and cost-effective for a range of industrial applications
• Designed for high-volume flow applications and pressurized ratings
• High resistance to corrosion, wear and tear
• Fast and efficient installation methods both on- and offshore

Chalco large diameter aluminum tube pipe cooperative industries

With the increasing adoption of large diameter aluminum pipes across various industries, Chalco stands out as a premier supplier known for high-quality products. We collaborate extensively in qualified fields, enjoying a strong reputation for reliability and excellent customer feedback. Our commitment extends to offering competitive pricing, ensuring value and satisfaction in every partnership. Quick Quote

Other large size aluminum products in Chalco

With its strong production and R&D capabilities, Chalco also offers a wide range of large-sized products. Feel free to inquire for more details.Quick Quote

Ultra wide aluminum plate coil

Ultra large diameter aluminum bar

Spiral welding aluminum tube pipe

500-1000mm aluminum tube pipe

Super large diameter forged ring

Ultra thick aluminum plate

Choosing guaidance for large diameter tube pipe-The comparasion of large-diameter aluminum pipes, large-diameter steel pipes, and large-diameter HDPE pipes

Large-diameter aluminum pipes, large-diameter steel pipes, and large-diameter HDPE pipes each have unique characteristics and advantages.

Large-diameter aluminum pipes are renowned for their lightweight, excellent corrosion resistance, and high flexibility, making them ideal for aerospace, lightweight structures, and decorative applications, particularly where low-corrosion environments and weight limitations are key considerations.

Large-diameter steel pipes are known for their high strength, weldability, and exceptional resistance to wear. They are primarily used in construction, transportation pipelines, and marine engineering, where they can withstand high pressure and harsh environments, providing long-term stability and corrosion resistance.

Large-diameter HDPE pipes are favored for their superior corrosion resistance, flexibility, and cost-effectiveness. They find wide applications in municipal engineering, industrial pipelines, and agricultural irrigation, especially suitable for applications requiring flexible installation and less stringent weight requirements. Choosing the appropriate pipe material should consider specific environmental requirements such as corrosion resistance, strength needs, cost-effectiveness, and installation flexibility.