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Flat aluminum, particularly in the form of high-quality sheets, coils, and circles, serves as the foundational material for the modern metal spinning and forming industries. Metal spinning—also widely recognized as spin forming—is a highly specialized rotary metalworking technique where a flat disc or tube of metal is rotated at high speeds and molded over a mandrel using CNC rollers or manual levers. This process requires materials with exceptional ductility, uniform grain structure, and predictable mechanical behaviors under localized stress. Flat aluminum is uniquely suited for these demanding applications due to its lightweight profile, corrosion resistance, and excellent formability.
In the current industrial landscape, the demand for spun aluminum parts is surging. Industries are transitioning away from heavier steel components to meet strict energy-efficiency and carbon-reduction mandates. From seamless ventilation cowls and automotive wheels to complex aerospace nose cones, flat aluminum provides the perfect balance of yield strength and elongation. By utilizing optimized flat aluminum circles and sheets, manufacturers can achieve significant material savings, reduce cycle times, and produce components with superior surface finishes that require minimal post-processing.
Metal forming processes such as deep drawing, stamping, and rotary spinning subject the flat aluminum to multi-axial tensile and compressive forces. During shear spinning, the wall thickness of the starting flat sheet is intentionally reduced while maintaining the outer diameter of the part. This calls for a material with high plastic strain ratio (r-value) and stable strain-hardening exponents (n-value). Proper annealing processes, such as O-temper or partial annealing (H24), ensure that the aluminum remains ductile enough to flow smoothly over the tool mandrel without work-hardening too rapidly.
Hangzhou Chenxing New Energy Technology Co., Ltd. is a core member of Chenxing Aluminium Group. We focus on high-performance green aluminium products, committed to building a sustainable future through advanced production technology and strict quality control. Our main products feature excellent formability, corrosion resistance and environmental performance, widely used in new energy, construction, HVAC and transportation industries. Relying on strong group support and professional R&D capability, we provide stable, reliable and eco-friendly aluminium solutions for global customers.
Not all flat aluminum is created equal. Different industrial applications require specific alloy families to achieve optimal performance during and after the metal forming process. Below is an in-depth breakdown of the primary aluminum alloys used in industrial metal spinning and forming operations:
Comprising alloys like 1050, 1060, and 1100, the 1xxx series offers a minimum of 99% aluminum content. These alloys exhibit the highest ductility and are incredibly easy to spin, deep draw, and weld. They are the preferred choice for applications where structural strength is secondary to complex geometry, such as lighting reflectors, decorative hollowware, and chemical process equipment.
Alloy 3003, alloyed with manganese, is the industry standard for commercial cookware, heat exchangers, and HVAC components. It provides approximately 20% greater strength than the 1xxx series while retaining excellent workability. Its resistance to atmospheric corrosion makes it ideal for exterior spun housings and industrial ductwork.
Alloys such as 5052 and 5083 contain magnesium as the primary alloying element. These alloys offer moderate-to-high strength, exceptional weldability, and outstanding resistance to marine environments. However, because they work-harden rapidly during the spinning process, they often require intermediate annealing steps to prevent cracking. They are extensively used for pressure vessels, fuel tanks, and marine components.
For high-stress structural parts, heat-treatable alloys like 6061 and 7075 are utilized. These alloys are spun in the annealed (O) temper to allow for initial forming and are subsequently heat-treated to T4 or T6 tempers to achieve maximum mechanical strength. This method is critical for manufacturing aerospace components, military hardware, and high-performance automotive wheels.
We are redefining the aluminum industry for a greener and more intelligent planet. Rooted in Hangzhou, a vibrant and world-renowned innovation hub in eastern China, we focus on the research, development, production, and sales of high-performance green aluminum products.
Supported by strong technical strength and advanced intelligent manufacturing systems, we own and operate three other major green production bases across China. These modern facilities are designed with low-carbon environmental protection, high efficiency, and stable quality as core principles, enabling us to provide consistent, reliable, and eco-friendly aluminum solutions for global customers.
By integrating technological innovation, green production, and intelligent management, we are committed to reducing carbon emissions, optimizing energy use, and promoting sustainable development throughout the entire industrial chain. We strive to become a trusted global partner in the green aluminum sector, driving the transformation of the industry toward low-carbon, intelligent, and high-quality development.
Our factories have imported equipment from Germany to produce various green and low-carbon aluminum products from series 1 to series. With annual production capacity of 50000 tons of aluminium coil, strip, sheet, plate, checkered plate, embossed coil, foil and circle. Our facilities include One Hot Rolling line, 15 Casting Lines, 3 Cold Rolling Lines, 3 Transverse Shear Production lines, 3 Tension Levelers, 24 Annealing Furnaces, and 3 Cutting equipment for circle.
The versatility of flat aluminum circles and sheets allows them to be formed into highly complex, symmetrical hollow parts across a multitude of high-tech and heavy-duty industries:
In the automotive sector, lightweighting is directly linked to extending battery range in electric vehicles. Flat aluminum sheets are spun and formed into lightweight wheel rims, heat shields, suspension air spring sleeves, and battery containment vessels. By utilizing high-strength 5xxx and 6xxx series alloys, manufacturers can reduce vehicle weight by up to 40% compared to traditional steel, without compromising passenger safety or crashworthiness.
Aerospace engineering demands components that can withstand extreme pressure differentials and thermal stress. Spin forming is the primary method used to manufacture seamless nose cones, rocket engine cowlings, satellite reflectors, and fuel tank domes. Flat 7075 aluminum sheets are precisely spun under controlled temperatures to ensure that the grain boundaries of the metal align with the contours of the part, maximizing structural integrity.
HVAC systems rely on smooth, aerodynamic surfaces to minimize air resistance and operational noise. Spun aluminum venturi inlets, fan orifices, and blower housings provide the necessary geometry for optimal airflow. Aluminum's inherent corrosion resistance ensures that these components maintain their structural integrity even when exposed to moisture, chemical fumes, and extreme outdoor weather conditions.
The lighting industry utilizes high-purity flat aluminum circles to spin downlight reflectors, high-bay covers, and stage lighting fixtures. The reflective properties of the aluminum can be enhanced through anodizing or chemical polishing post-forming, providing excellent light distribution and thermal dissipation. Architecturally, spun aluminum is used for column covers, decorative domes, and custom ceiling panels.
Our products range covers almost all aluminium alloys series 1xxx to 8xxx, especially 1xxx, 3xxx, 5xxx, 6xxx 7xxx and 8xxx series. With advantages of light weight, great corrosion resistance and easy processing, our products are widely used in packaging, construction, transportation, power and electrical, machining, marine and aerospace industries.
The metal spinning and forming industry is undergoing a profound transformation driven by digital automation and environmental regulations. The integration of Artificial Intelligence (AI) and advanced CNC controls in spinning machines has enabled real-time monitoring of material thinning, force feedback, and temperature control. This technological leap reduces the dependence on highly skilled manual operators and allows for the processing of harder, more complex alloys with negligible reject rates.
Simultaneously, the global push for decarbonization has made "Green Aluminum" a primary procurement criteria for major OEMs. Green aluminum, produced using renewable energy sources like hydropower or solar energy, significantly lowers the embodied carbon footprint of the final spun product. As global supply chains align with Scope 3 emission targets, manufacturers who utilize low-carbon flat aluminum circles and sheets are gaining a substantial competitive edge in the international market.
Green. Low-Carbon. High-Quality. Hangzhou Chenxing New Energy Technology Co., Ltd. always be your trusted partner for innovative, sustainable, and high-quality aluminum solutions. We invite you to connect with us to build a cleaner, more efficient future together.
