Our Galvanized Steel Sheet for Construction is specialized building materials made from cold-rolled low-carbon steel using a continuous hot-dip galvanizing process. The metallurgical bond formed between the base steel and the zinc layer ensures both excellent structural strength and superior corrosion resistance.
Our product range includes various forming grades and surface finishes. Featuring high dimensional accuracy and excellent welding and coating properties, these sheets can be used in exposed applications or as substrates for color-coated steel, meeting the diverse construction and forming needs of various architectural projects.
| Product Name | Galvanized Steel Plate and Sheet for Construction |
| Material | DX51D+Z, DX52D+Z, DX53D+Z, S220GD+Z, S350GD+Z, S550GD+Z, SGCC, SGCD1/2, SECC, SGCD3, DX51D+ZF, DX52D+ZF, DX53D+ZF, S350GD+ZF, SECD, DX51D+ZM, S350GD+ZM |
| Customized Standard | GB/T 2518-2019, EN 10346:2015, JIS G3302:2023, ASTM A653/A653M |
| Size | T: 0.25 ~ 3.0 mm, W: 1000mm, 1219mm, 1250mm, L: 1000-6000mm, Customized as required |
| Zinc coating | Z40, Z60, Z80, Z100, Z120, Z180, Z275, Customized as required |
| Spangle Pattern | Regular spangle, Zero spangle, Minimum spangle |
| Surface Treatment | Oiled/Unoiled, Passivation, Non-chromated passivation, Chromate-free Passivation |
| Delivery Time | 7-10 Days |
| Payment Term | T/T, L/C, etc |
| Transport | Suit for all kinds of transport, or as required |
| Certifications | ISO 9001, SGS, BV |
| Packing Method | Packed on fumigation-free wooden pallets, wrapped with VCI anti-rust paper & waterproof PE film, covered by steel protective sheets, fixed with steel straps and edge protectors. |
| Origin | China |
Utilizing a pure zinc hot-dip process, the steel substrate receives comprehensive protection through a combination of physical barrier isolation and sacrificial anodic electrochemical protection.
Even if minor scratches or abrasions occur on the surface, the zinc layer continues to inhibit oxidation and rust, effectively resisting corrosion from rain, humidity, dust, acids/alkalis, and coastal salt spray.
With a service life exceeding 15 years under standard outdoor conditions, these sheets significantly reduce long-term building maintenance and renovation costs.
An automated, constant-temperature galvanizing control system ensures precise control over zinc layer thickness and uniformity. The zinc layer bonds tightly to the steel substrate, free from defects such as uncoated spots, peeling, blistering, or flaking.
Customizable zinc coating weights (ranging from 30g/m² to 275g/m²) are available. The material offers excellent ductility; the coating remains intact—without cracking or flaking—after bending, stamping, welding, or cutting, thereby preserving its corrosion-resistant properties and suiting various precision construction and forming processes.
The finished sheets feature a flat, smooth surface with uniform color and fine texture, free from defects such as zinc nodules, scratches, or oxidation spots. Available in three surface finishes—regular spangle, minimized spangle, and zero spangle—and compatible with passivation, oiling, and chromium-free passivation treatments to effectively prevent white rust during storage and transportation.
Suitable for both exposed architectural decorative structures and functional anti-corrosion/aesthetic needs in industrial and civil buildings; simplifies construction processes and reduces costs associated with secondary painting.
Mainstream construction-grade materials—such as DX51D+Z, DX52D+Z, DX53D+Z, DX54D+Z, SGCC, and Q235B—are kept in stock. These offer a clear gradient of mechanical properties to suit various architectural fabrication methods.
Thickness ranges from 0.15mm to 12.0mm, with standard widths including 1000mm, 1219mm, 1250mm, and 1500mm. Cut-to-length services are available, accommodating construction needs ranging from simple bending and shallow stamping to complex deep drawing.
All Galvanized Steel Sheet for Construction strictly adhere to major domestic and international industry standards, including GB/T 2518, ASTM A653, EN10346, and JIS G3302. Material composition, zinc coating specifications, and mechanical properties fully comply with global construction engineering codes.
Material certificates, mechanical property test reports, and salt spray test reports are provided for every batch. Third-party inspections by SGS, BV, TUV, etc., are supported to ensure compliance with customs clearance for cross-border trade and acceptance standards for international projects.
Our company holds ISO9001 quality management system certification, ensuring standardized production control and full product traceability.
Core applications for these galvanized steel sheets include:
Building roofing and wall cladding systems, anti-corrosion steel structures, HVAC ducts, mounting brackets for photovoltaic (PV) installations, municipal engineering, warehouse racking components, light construction hardware, agricultural machinery components, and appliance housings. They are suitable for a wide range of projects, including civil buildings, industrial plants, municipal infrastructure, and renewable energy facilities.
Designed primarily for simple bending and forming; suitable for standard sheet metal construction components such as roofing panels, wall panels, ventilation ducts, construction hoarding, and electrical distribution boxes. It offers excellent cost-performance and serves as a general-purpose galvanized material for construction.
Suitable for repeated bending and light stamping; commonly used for construction components requiring moderate forming capabilities, such as fan housings, general construction hardware, and light steel structural fittings.
Meets requirements for moderately complex stamping and forming; frequently used for components requiring deeper processing, such as water tank casings, equipment bases, and bases for construction-related appliances.
Features excellent ductility, minimal springback, and high crack resistance; suitable for complex curved surfaces and deep-drawing processes. Ideal for high-precision forming applications such as high-end architectural decorative fittings and irregularly shaped steel structural components.
Choose DX51D+Z for simple bending; DX52D+Z for light stamping; DX53D+Z for moderately complex stamping; and DX54D+Z for deep drawing and complex, irregular forming.
For dry indoor environments, thinner coatings like Z80 or Z100 are suitable. For outdoor, humid, or coastal (salt-spray) environments, higher zinc coatings (Z120, Z140, Z270) are recommended to extend the service life of the construction materials.
Surface finishes—regular spangle, minimized spangle, or zero spangle—can be selected as needed, combined with protective treatments such as passivation, oiling, or chromium-free passivation. Strict control over thickness and width tolerances ensures high flatness without warping or wavy edges, guaranteeing stability during cutting and bending operations on-site.
For deep-processed or specially shaped architectural components, priority is given to verifying sheet elongation and yield strength to prevent issues like springback or cracking during stamping. Materials requiring welding or coating can be matched with compatible plating processes to ensure optimal downstream processing results.
Galvanized Steel Sheet for Construction delivers reliable anti-corrosion performance with well-adhered zinc coating. It has excellent bending and stamping performance. Various spangle types and eco-friendly surface treatments are available to reduce white rust risk. With full range of sizes and tight dimensional tolerance, it is widely used in construction enclosure, electrical cabinets, HVAC equipment and home appliance components.
| Grade | Yield Strength Rp0.2 (MPa) | Tensile Strength Rm (MPa) | Elongation after fracture A80≥ (%) | Equivalent Japanese Standard | Key Plastic Characteristics |
| DX51D+Z | / | 270～500MPa | 22 | SGCC | Lowest ductility, for simple processing only. |
| DX52D+Z | 140～300MPa | 270～420MPa | 26 | SGCD1 | Suitable for moderate bending and light stamping |
| DX53D+Z | 140～260MPa | 270～380MPa | 30 | SGCD2 | Good for medium bending & medium stamping. |
| DX54D+Z | 120～220MPa | 260～350MPa | 36 | SGCD3 | Excellent ductility for complex deep drawing. |
We operate our own automated galvanizing lines and manage the entire production process in-house: from substrate selection, hot-dip galvanizing, and precision cutting to final product inspection.
By eliminating intermediary markups, we ensure product stability and consistency that far exceed standard trading sources.
We offer customization for zinc coating weight, surface finish, sheet dimensions, and cut-to-length specifications. Our one-stop deep processing services include leveling, precision cutting, bending, punching, film lamination, and deburring.
Delivering finished components directly helps clients reduce secondary processing costs and project timeline delays.
We maintain ample stock of standard specifications; small-batch sample orders can be scheduled for production on the same day and shipped within 3–7 working days.
Full-container project orders are delivered within 7–15 working days, while non-standard custom orders are executed efficiently on schedule.
We support both full-container and LCL (Less-than-Container Load) cross-border shipments, providing complete documentation for smooth customs clearance.
We provide one-on-one technical consultation to optimize material selection and processing plans based on specific project conditions.
We support sample orders and annual framework agreements, offering flexible cooperation models, such as centralized project procurement, trade distribution, and factory supply, backed by comprehensive after-sales support.
In 2026, YS STEEL supplied 600 tons of DX51D+Z hot-dip galvanized steel plates for urban renewal building projects in Casablanca, Morocco, applied to building roofing, wall cladding, purlins and ventilation ducts. Featuring high temperature, dry climate and large diurnal temperature difference, the local environment imposes strict requirements on sheet weather resistance, coating stability and dimensional accuracy. We customized Z120 high-corrosion-resistant zinc coating specifications and strictly controlled surface flatness and coating uniformity to ensure long-term outdoor service without peeling or rusting. The full batch was produced and shipped in advance with complete customs and inspection documents, passing client and third-party acceptance smoothly. A long-term annual supply agreement has been signed to continuously support local infrastructure renewal projects.
YS STEEL undertakes long-term industrial steel supporting orders for West African regions. In 2026, we supplied 1,200 tons of DX51D hot-dip galvanized steel plates for a large industrial park construction project in Ghana, used for factory steel structure anti-corrosion cladding, equipment protective shells and workshop ceiling systems. The coastal area of Ghana features high humidity and obvious salt spray, leading to easy rust failure of ordinary steel materials. Adopting high-quality low-carbon substrate and standard hot-dip galvanizing technology, our products deliver excellent bending, stamping and salt spray resistance, fully meeting customers' on-site mass forming processing demands. The full batch achieved a 100% qualification rate with stable coating performance during processing, perfectly adapting to local hot and humid harsh conditions. With reliable quality and efficient delivery, we have become the designated galvanized steel supplier for the second and third phases of the industrial park.
In the first half of 2026, we customized and supplied 675 tons of multi-specification galvanized steel plates and strips for a large light industry manufacturer in Romania, applied to civil hardware products, light equipment brackets and storage shelf production. The client raised extremely strict requirements on surface smoothness, zinc layer uniformity and dimensional tolerance to avoid surface defects affecting end-product quality. Through refined rolling and intelligent coating control, we achieved zero scratches and zero zinc nodules on the surface with thickness tolerance strictly controlled within ±0.05mm, ensuring crack-free bending and stable coating adhesion during forming. All samples passed inspection at one time, and the mass delivery greatly improved the client's processing yield. Stable monthly repeat purchase cooperation has been established since then.
For dry indoor architectural applications, standard Z80 or Z100 zinc coatings are sufficient to meet corrosion resistance needs;
For outdoor settings or humid industrial facilities, Z120 or Z140 (medium-to-high) zinc coatings are recommended;
For coastal environments with severe corrosion risks due to salt spray and high humidity, Z270 (high) zinc coating is the preferred choice; it ensures a stable anti-corrosion lifespan of over 15 years, effectively preventing rust and degradation in steel structures and cladding panels.
White rust is typically caused by oxidation in humid environments during storage or maritime transport, while peeling or coating detachment usually results from substandard coating adhesion or improper base metal treatment.
Our galvanized steel sheets for construction feature optional surface treatments—including passivation, oiling, and chromium-free passivation. They are manufactured with a strong metallurgical bond between the coating and the base metal, ensuring excellent adhesion. Under normal storage, transport, and outdoor construction conditions, issues such as white rust, peeling, or detachment do not occur, making them fully suitable for long-term outdoor architectural applications.
Our products feature a base metal with excellent ductility and a uniform, secure coating. The coating does not crack or peel during standard construction processes—such as bending, cutting, stamping, or welding—and the overall corrosion resistance remains intact. For welded areas, we offer supplementary localized anti-corrosion treatments to repair minor damage from welding, ensuring consistent corrosion protection and longevity for the entire structural component.
Regular-spangle sheets offer high cost-performance and are suitable for functional construction materials such as factory steel structures, site hoarding, and ventilation ducts;
Minimized-spangle sheets feature a fine surface texture, making them ideal for general building facades and decorative cladding panels;
Zero-spangle sheets offer a smooth, uniform surface free from spangle patterns or color variations; they are primarily used for high-end architectural decoration, precision equipment casings, and exposed landscape structural elements, allowing for direct outdoor use without the need for secondary painting.
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Unit1, 128Building, Nanhuxiangjun, Lunan District, Tangshan City, Hebei Province, China
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