NEWS
Need reliable S550GD steel for modular construction projects? GNEE Steel holds over 10,000 tons of ready stock, ensuring shipment within 7 days. We're pleased to announce our new line of S550GD galvanized steel plates optimized specifically for the growing modular construction industry.
Modular construction requires materials that offer strength, durability, and dimensional precision. While traditional construction has relied on lower-grade galvanized steels, the efficiency and quality demands of modular building have increased the need for higher-performance options like S550GD, which provides exceptional structural integrity and corrosion resistance.
Galvanized steel plates
Modular Construction Benefits of S550GD Steel
Our modular construction-grade S550GD galvanized steel plate offers advantages that address key challenges in modular building:
| Benefit | Specification | Modular Construction Advantage |
|---|---|---|
| High Strength | ≥ 550 MPa yield strength | Enables thinner profiles, reducing module weight |
| Dimensional Precision | ±0.05 mm thickness tolerance | Ensures consistent fitting between modular components |
| Corrosion Resistance | Z180-Z220 zinc coating | Long-term protection for both indoor and outdoor modules |
| Flatness | ≤ 3 mm/m | Prevents alignment issues during module assembly |
| Weldability | Excellent | Strong connections between prefabricated components |
| Formability | ≥ 14% elongation | Supports custom component designs |
These characteristics make S550GD galvanized steel plates ideal for modular construction applications, including wall frames, floor systems, roof structures, and modular container buildings.
Technical Specifications for Modular Applications
GNEE's S550GD galvanized steel plates for modular construction meet the strict technical requirements of modern modular building:
| Property | Value | Test Standard | Modular Relevance |
|---|---|---|---|
| Yield Strength (Rp0.2) | 550-580 MPa | EN ISO 6892-1 | Structural load-bearing capacity |
| Tensile Strength (Rm) | 600-660 MPa | EN ISO 6892-1 | Resistance to extreme loads |
| Elongation (A80mm) | ≥ 15% | EN ISO 6892-1 | Formability for custom components |
| Zinc Coating Thickness | 25-38 μm (Z180) | EN 10346 | Corrosion protection for multi-decade service |
| Impact Energy | ≥ 30 J at -20°C | EN ISO 148-1 | Durability in varying climates |
| Shear Strength | ≥ 350 MPa | EN ISO 12135 | Reliable connections between modules |
The material's consistent mechanical properties ensure uniform performance across all modular components, reducing the risk of structural inconsistencies.
Dimensional Range for Modular Construction
Our S550GD galvanized steel plates are available in dimensions optimized for modular construction:
| Dimension | Range | Modular Application |
|---|---|---|
| Thickness | 0.8-3.0 mm | Wall frames (0.8-1.5mm), floor systems (1.5-2.5mm), roof structures (2.0-3.0mm) |
| Width | 1000-1800 mm | Large panels reduce joints in module walls |
| Length | 2000-6000 mm | Supports standard modular dimensions (2.4m, 3.0m, 6.0m) |
| Cut-to-Length | Custom lengths available | Precise fitting for specific module designs |
We also offer precision cutting services to match exact modular component dimensions, reducing on-site waste and assembly time for our customers.
Compliance with Modular Construction Standards
GNEE's S550GD galvanized steel plates comply with global modular construction standards:
EN 10346:2015 (Continuously hot-dip coated steel flat products)
ISO 1461 (Hot dip galvanized coatings)
AISC 360-10 (Specification for structural steel buildings)
BS EN 1993-1-3 (Eurocode 3: Structural steel design)
CAN/CSA-S136 (Canadian standard for structural steel)
This compliance ensures our S550GD galvanized steel plate can be used in modular projects worldwide, without the need for additional testing or certification.
Case Study: Modular Apartment Project
A recent modular apartment project in Southeast Asia utilized 120 tons of our S550GD galvanized steel plates for wall frames and floor systems. The project achieved:
25% reduction in module weight compared to using S350GD
15% faster assembly due to precise dimensional tolerance
Estimated 30-year service life with minimal maintenance
Compliance with local seismic and wind load requirements
The project demonstrated how S550GD galvanized steel plates can enhance modular construction efficiency while ensuring long-term structural performance.
GNEE Steel's S550GD galvanized steel plate is an excellent choice for modern modular construction projects, offering the perfect balance of strength, precision, and durability. Contact us today to discuss your modular construction needs and receive a customized quotation for S550GD galvanized steel plate.
| Grade | Yield Strength/Mpa | Tensile Strength/Mpa | Elongation/% |
| DX51D+Z | ≤360 | ≤440 | ≥20 |
| Dx52D+Z | ≤260 | 330-390 | ≥28 |
| DX53D+Z | ≤200 | 270-320 | ≥38 |
| DX54D+Z | ≤180 | 270-310 | ≥40 |
| S250GD+Z | ≥250 | ≥330 | ≥19 |
| S350GD+Z | ≥350 | ≥420 | ≥16 |
| S450GD+Z | ≥450 | ≥510 | ≥14 |
| S550GD+Z | ≥550 | ≥560 | / |
Custom size/coating? Send your drawing for a 12-hour quick quote
