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Accelerating Low-Earth Orbit (LEO) constellations, massive MIMO 5G/6G deployments, and high-frequency microwave transmission links require exceptional physical precision and electromagnetic conductivity.
In the rapidly expanding global communications ecosystem, from Low Earth Orbit (LEO) satellite megaconstellations (such as Starlink, OneWeb, and Project Kuiper) to high-throughput geostationary earth stations, the parabolic reflector dish serves as the critical primary optical aperture for electromagnetic waves. The physical precision of the reflector directly governs signal gain, cross-polarization discrimination, side-lobe suppression, and bit-error rates.
Cold rolled aluminum sheets represent the metallurgical gold standard for manufacturing parabolic dishes, feed horns, and radar reflectors. Unlike standard hot-rolled or cast plates, cold-rolled aluminum undergoes extensive mechanical reduction below its recrystallization temperature, yielding an ultra-refined grain matrix, uniform gauge tolerance (±0.01mm), and mirror-smooth surface finishing ($Ra \le 0.2\,\mu\text{m}$).
Beyond orbital satellite communication, terrestrial wireless telecom networks are undergoing massive densification. 5G New Radio (NR) and impending 6G architectures deploy ultra-dense small cells, active antenna units (AAU), and point-to-point millimeter-wave microwave backhauls. Every transceiver housing, antenna reflector plate, and RF shielding enclosure demands superior thermal dissipation and environmental resilience.
Cold rolled aluminum alloys (predominantly 1xxx, 3xxx, 5xxx, and 6xxx series) provide the thermal conductivity (160–220 W/m·K) necessary to extract heat from high-density power amplifier chips while forming a robust electromagnetic interference (EMI) barrier. Furthermore, cold-formed parabolic dish antennas deployed in remote coastal or alpine relay towers are engineered to withstand continuous wind buffeting up to 200 km/h without permanent yield deformation.
Carefully tuned temper controls (H14, H18, H24, O-temper, T6) ensuring exact yield strengths, isotropic elongation, and zero internal stress curvature.
Alloys such as 1050, 1100, 3003, and 3104 provide exceptional ductility for single-piece hydraulic spinning of parabolic dish diameters ranging from 45cm VSAT dishes up to 4.5m enterprise earth stations.
5052 and 5754 magnesium-alloyed sheets deliver high yield strengths and uncompromised resistance to intergranular marine corrosion, perfect for shipborne satellite antennas and coastal telecom radar arrays.
Heat-treatable 6061-T6 and 6082-T6 sheets provide extreme structural stiffness for back-mount support ribs, motorized gimbal mounts, steerable phased array chassis, and ruggedized base station frames.
| Alloy & Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Thermal Cond. (W/m·K) | Primary Telecom Application |
|---|---|---|---|---|---|
| 1050 / 1060 - H18 | 110 – 145 | ≥ 95 | ≥ 4 – 8 | 230 | High-Reflectivity RF Microwave Reflectors & LNB Horns |
| 3003 / 3104 - H24 | 140 – 180 | ≥ 115 | ≥ 8 – 14 | 160 – 190 | Deep-Drawn Offset Parabolic Dishes & Radome Enclosures |
| 5052 - H32 / H34 | 210 – 260 | ≥ 130 – 180 | ≥ 10 – 15 | 138 | Marine SATCOM Dishes, Coastal Telecom Mast Cabinets |
| 6082 / 6061 - T6 | 290 – 340 | ≥ 240 – 270 | ≥ 8 – 12 | 150 – 170 | Heavy-Duty Antenna Gimbals, AAU Chassis, Phased Arrays |
| Anodized Series | Custom Formulations | Custom Formulations | Custom Formulations | Optimized | Salt-Fog Resistant Military & Aerospace Parabolic Shells |
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, telecommunications, 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.
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 8. With an annual production capacity of 50,000 tons of aluminium coil, strip, sheet, plate, checkered plate, embossed coil, foil and circle. Our world-class facilities include:
1 Hot Rolling line, 15 Casting Lines, and 3 High-Precision Cold Rolling Lines imported with automatic gauge control (AGC).
3 Transverse Shear Production lines, 3 Pure-Tension Levelers, and 3 Circle Cutting lines for parabolic antenna blanking.
24 Advanced Annealing Furnaces with protective atmosphere to ensure homogeneous crystallization and uniform elongation.
Our product 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 telecommunications, packaging, construction, transportation, power and electrical, machining, marine and aerospace industries.
Discover how our cold rolled aluminum sheets and coils serve as critical elements across the entire RF communication chain.
Stamped from 1050/3003 high-ductility sheets into precise parabolic geometries. Exceptional edge trim accuracy prevents RF phase misalignment, ensuring maximum SNR for residential satellite TV and remote broadband data links.
Cold-rolled sheets with superior electrical conductivity and high dimensional stability after CNC machining are utilized inside massive MIMO cavity filters, antenna backplanes, and weatherproof RF shielding chassis.
Alloy 5052-H34 sheets are formed into stabilized parabolic antenna reflectors shielded inside marine radomes, withstanding severe salt-spray atmospheres, extreme humidity, and constant ocean wave vibration.
High-gain parabolic antennas linking remote cell towers across mountainous and urban terrains rely on cold-rolled precision sheets to preserve ultra-low surface roughness ($Ra < 0.2\mu m$) to prevent signal scattering.
Air traffic control (ATC) and weather surveillance radar reflectors formed from large-format tension-leveled aluminum circles achieve minimal wind deflection and maximum electromagnetic reflectivity.
Precision-slit cold-rolled aluminum strips and thin sheets protect delicate telecommunication controllers and LEO earth terminal modem units from severe external electromagnetic interference.
Key technical considerations for specifying cold rolled aluminum in satellite and telecommunication projects.
Cold rolling delivers tighter gauge tolerances (±0.01mm vs ±0.1mm for hot rolling), a superior isotropic grain structure, and a mirror-smooth surface. This minimizes surface roughness and skin-effect losses, ensuring exact parabolic beam focus without phase distortion at high GHz frequencies.
Alloy 3003 and 3104 in H24 or O-temper are most widely specified due to their superior elongation (>12%) and high yield ratio, preventing wrinkling or tearing during high-speed deep drawing or hydraulic spinning operations.
We utilize 3 advanced tension-leveling lines imported from Europe. By subjecting the cold-rolled strip to controlled stretch and bend deformations, we eliminate center buckles, wavy edges, and residual internal stresses, guaranteeing total flatness during laser cutting and stamping.
For harsh marine or industrial environments (C4/C5 corrosion classes), we provide PVDF (fluoropolymer) continuous coil coating or electrochemical hard anodizing, which offer 20+ years of UV resistance, salt-spray durability, and thermal stability.
Hangzhou Chenxing New Energy Technology Co., Ltd. will 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.
Discover premium aluminum products spanning series 1xxx to 8xxx manufactured under strict German technical standards.
