Direct from our precision manufacturing lines to meet the strict structural demands of Southeast Asian infrastructure developers.
Malaysia's geographic location exposure to the C5-M marine exposure zones, coupled with tropical conditions of intense relative humidity (often exceeding 85%) and sustained precipitation, demands protective structures that exceed standard options. Traditional Galvanized Iron (GI) coating decays significantly faster in tropical regions like the Klang Valley, Penang, and Johor Port regions, where atmospheric salinity and sulfur dioxide levels remain high.
Our Galvalume (Aluzinc) steel sheets utilize a metallurgical blend composed of 55% Aluminum, 43.4% Zinc, and 1.6% Silicon. This alloy leverages the optimal capabilities of each element. Aluminum creates a structural barrier oxide film on the surface, preventing ambient moisture and corrosive gases from reaching the substrate, while zinc provides galvanic protection at cut edges and scratches.
In standard galvanized coatings, corrosion occurs uniformly across the zinc layer, eventually depleting it and exposing the underlying steel. The 55% Aluzinc coating forms an interconnected network of aluminum-rich dendrites. When exposed to rain and moisture, the spaces between these dendrites fill with zinc corrosion products, creating a self-healing, passivated microstructure that acts as a physical shield against further chemical attacks.
Furthermore, in Malaysia's rapid industrialization, projects including solar panel farms, port warehouses, and mass transit corridors require high structural integrity. Our galvalume products offer high thermal reflectivity, keeping under-roof temperatures significantly lower. This supports structural sustainability and complies with energy efficiency criteria under the Green Building Index (GBI) of Malaysia.
Engineering parameters compliant with international certifications (ASTM A792, EN 10346, JIS G3321) and verified for local SIRIM approvals.
| Specification Parameter | Standard Availability | Malaysian Application Adaptability |
|---|---|---|
| Base Material Grades | DX51D+AZ, DX52D+AZ, S350GD, S550GD (High Tensile) | S550GD is ideal for structural truss profiles and light gauge steel framing across East & West Malaysia. |
| Coating Weight | AZ70 to AZ150 (Alu-Zinc coating density) | AZ150 is highly recommended for coastal marine zones within 1-5km of the sea line. |
| Surface Finish Treatments | Regular Spangle, Anti-Fingerprint (Clear, Blue, Green, Gold) | Anti-Fingerprint coatings facilitate easier handling during profiling and reduce humidity staining in tropical storage. |
| Thickness Availability | 0.12 mm to 2.0 mm (Tolerance: ±0.01mm) | Standard 0.40 - 0.60 mm BMT is widely used for industrial roofing profiles such as Lysaght style. |
| Width Capabilities | 914mm, 1000mm, 1200mm, 1219mm, 1250mm | Optimized for slitting to feed into standard local Malaysian roll-forming machinery. |
Located in the logistics and industrial cluster of Ningbo, China, Ningbo Puppet Steel Co., Ltd. operates advanced cold-rolling, hot-dipped coating, and slitting lines. By integrating intelligent process monitoring and quality feedback systems, we guarantee dimensional consistency and coating uniformity across every production batch.
Our logistical positioning next to the Port of Ningbo-Zhoushan enables direct shipping routes to Port Klang, Penang Port, and Pasir Gudang (Johor). We leverage relationships with major container shipping lines to ensure secure vessel space allocation and predictable transit times. Each shipment is packaged with heavy-duty structural steel bands, VCI rust-inhibiting paper, and outer steel protection sleeves to prevent moisture ingress during transport across the South China Sea.
From metallurgical testing of hot-rolled coils to final coating weight verification, our operations comply with ISO 9001:2015 and EN 10204 3.1 certification requirements. This ensures our materials meet the compliance standards required by international builders and infrastructure projects.
Ensuring your materials conform to CIDB guidelines, Perakuan Pematuhan Standard (PPS), and SIRIM QAS certifications.
Our Galvalume materials conform with the Malaysian Standard MS 1196 (Specification for continuous hot-dip aluminium/zinc-coated steel sheet) and MS 2383 for structural roofing applications, ensuring safety and performance compliance.
We assist Malaysian importers in obtaining the CIDB Certificate of Approval (COA) by supplying Mill Test Certificates (MTC) detailing alloy composition, coating density, and tensile performance properties.
Due to its high thermal reflectivity index (SRI > 82), our Aluzinc coating reduces heat transmission in commercial structures, contributing to GBI energy-efficiency credits.
Heavy duty and customized hot-dip galvanized and aluzinc steel profiles suitable for large-scale industrial roofing.
A key failure point in steel roof installations is handling damage. During installation, sweat and skin oils transfer to the raw aluzinc surface, causing localized surface oxidation. Our production line applies a specialized thin organic resin coat (Anti-Fingerprint Coating) over the passivation layer. This layer prevents processing discoloration, increases lubricity during profiling, and provides short-term protection during storage at construction sites.
Additionally, our continuous galvanizing line uses state-of-the-art air knives to dynamically control coating thickness. By modulating high-pressure nitrogen gas onto the molten Aluzinc bath, we maintain coating deviation within ±2g/m². This level of control prevents premature failure at stress concentrators such as rib bends and cut edges.
1. Coastal Warehouse Roof Cladding: Designed for high marine-salinity environments (e.g., Port Klang Free Zone). We recommend utilizing AZ150 thickness with S350GD structural steel core to resist wind deformation and marine corrosion.
2. Utility Scale Solar Mounting Systems: Heavy solar installations in Kedah and Terengganu require robust profiles. Our G550 grade Galvalume coils are optimized for cold roll-forming into high-yield structural C-channels.
3. Poultry Housing & Agro-Industrial Structures: Animal waste releases heavy ammonia vapours that accelerate standard zinc coating decay. Our 55% Aluzinc steel sheets offer enhanced chemical resistance in these environments.
Take a virtual tour of our intelligent cold-rolling lines, computerized decoiling/slitting stations, and heavy-duty logistics facilities.
Critical answers for structural engineers, project managers, and steel buyers importing to Malaysia.
Under C3 and C4 corrosion zones (coastal urban and industrial zones), AZ150 Galvalume typically provides a service life of 25 to 30 years without perforative corrosion. This is roughly 4 to 6 times the lifespan of standard Z275 galvanized steel in the same environment, owing to the aluminum-rich oxide barrier layer.
Yes. We supply full testing documentation including the Mill Test Certificate (MTC) conforming to EN 10204 3.1, chemical composition parameters, and mechanical testing profiles. These satisfy the standard application requirements of the Malaysian Construction Industry Development Board (CIDB).
Galvalume is harder than galvanized steel due to its aluminum content. Roll-forming machines should feature tool layouts optimized for Aluzinc to prevent microscopic surface cracking. We recommend applying our Anti-Fingerprint (AFP) resin coating to protect the surface and serve as a lubricant during processing.
We offer both FCL (Full Container Load) and Bulk Vessel shipping solutions. From Ningbo Port, the transit time to Port Klang or Penang Port is typically 8 to 12 days. Each coil is wrapped in heavy anti-corrosion packaging to protect against ocean humidity.
Yes. The 55% Aluzinc coating provides high resistance to ammonia vapors and organic acid degradation, making it suitable for modern poultry houses and agricultural storage facilities in Malaysia.
Comprehensive steel product selection available for processing, slitting, and direct custom shaping.
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