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Light Gauge Building Envelope Steel Supplier
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 10 meter
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Light Gauge Building Envelope Steel
| Property | Parameter | Description |
|---|---|---|
| Product Name | Light Gauge Building Envelope Steel | Cold-formed thin-section steel used for exterior building envelope systems |
| Steel Grade | S250GD / S350GD / S550GD | Structural grade per EN 10346; yield strength 250–550 MPa |
| Thickness Range | 0.35 mm – 3.00 mm | Base metal thickness excluding coating; tolerances per EN 10143 |
| Width Range | 600 mm – 1500 mm | Coil or sheet width; custom slit widths available on request |
| Tensile Strength | 330 MPa – 560 MPa | Ultimate tensile strength depending on grade selection |
| Yield Strength | 250 MPa – 550 MPa | Minimum yield strength (ReH) per EN 10346 / ASTM A792 |
| Coating Type | AZ150 / Z275 / ZM310 | Galvalume (55% Al-Zn), hot-dip galvanized, or ZnMg alloy coating |
| Coating Mass | 100 g/m² – 350 g/m² | Total both-sides coating mass; higher values for aggressive environments |
| Surface Finish | Regular Spangle / Minimized Spangle / Pre-painted (PVDF/PE) | Surface treatment options for aesthetic and corrosion performance |
| Paint Film Thickness | 25 µm – 50 µm | Dry film thickness for pre-painted variants; primer + topcoat system |
| Corrosion Resistance | ≥ 1000 h salt spray (ASTM B117) | AZ150 coating; suitable for C3–C4 corrosivity categories per ISO 9223 |
| Thermal Performance | U-value ≤ 0.25 W/(m²·K) | Achieved in composite panel assemblies with insulation core |
| Application | Roof cladding, wall panels, façade systems, purlins, girts | Industrial, commercial, and residential building envelope structures |
| Certification | CE Marking / ISO 9001 / EN 10346 / ASTM A792 | Compliance with international structural and quality standards |
| Packaging | Steel coils on wooden pallets; eye-to-sky or eye-to-wall | Wrapped with waterproof paper and steel strapping; coil weight ≤ 10 t |
| Storage Conditions | Dry warehouse; humidity ≤ 70% RH; temperature 5 °C – 40 °C | Avoid direct contact with ground; stack height ≤ 3 coils |
| MOQ | 25 t per order | Mixed grades and thicknesses accepted within one shipment |
| Supply Capacity | 5000 t/month | Subject to mill scheduling; lead time 15–30 days after order confirmation |
Light Gauge Building Envelope Steel Supplier
Light gauge building envelope steel has become an essential material in modern commercial and residential construction, offering structural efficiency, design flexibility, and superior weather resistance. As a leading light gauge building envelope steel supplier, we serve contractors, architects, and construction firms across global markets with precision-rolled, high-strength steel products engineered specifically for wall cladding, roofing systems, curtain walls, and façade assemblies. With rising demand for energy-efficient and sustainable building solutions, light gauge steel framing and envelope systems have emerged as the preferred alternative to traditional heavy structural materials. Our products meet international standards including ASTM, EN, and AS/NZS, ensuring compliance with building codes across North America, Europe, Australia, and Asia-Pacific regions. Whether you are sourcing material for large-scale commercial developments or prefabricated modular housing projects, our comprehensive inventory and customized processing capabilities ensure you receive exactly the steel profile, coating, and thickness specification your project demands.
What is Light Gauge Building Envelope Steel?
Light gauge building envelope steel refers to cold-formed steel sections and sheet products with a base metal thickness typically ranging from 0.35mm to 3.0mm, used to form the outer protective shell of a building structure. These products include corrugated sheeting, standing seam panels, wall studs, track sections, and composite cladding profiles. Manufactured through cold-rolling and precision forming processes, light gauge steel envelope products deliver a high strength-to-weight ratio, dimensional accuracy within ±0.1mm tolerance, and consistent mechanical properties with yield strengths commonly between 250 MPa and 550 MPa.
Light Gauge Building Envelope Steel Manufacturing and Processing
Our light gauge building envelope steel is produced from continuously cast hot-rolled coil substrate, subsequently cold-reduced to precise gauges in ISO-certified rolling mills. Each coil undergoes tension leveling, edge trimming, and surface treatment — including hot-dip galvanizing (Z100–Z275 g/m²), Galvalume (AZ150), and pre-painted PVDF or polyester coatings with dry film thickness of 20–25 µm. Profile forming is executed on CNC roll-forming lines with inline quality inspection, ensuring consistent cross-sectional geometry across production runs exceeding 500 tonnes per month.
Light Gauge Building Envelope Steel Technical Specifications
Our standard light gauge building envelope steel product range includes the following key parameters:
- Base metal thickness: 0.35mm – 3.0mm (±0.02mm tolerance)
- Coil width: 600mm – 1,500mm; sheet length: custom cut to order
- Yield strength (Fy): 250 MPa, 345 MPa, 450 MPa, and 550 MPa grades available
- Tensile strength (Fu): 330 MPa – 600 MPa depending on grade
- Zinc coating: Z100 to Z275 g/m² (hot-dip galvanized per ASTM A653 / EN 10346)
- Galvalume coating: AZ150 (55% Al-Zn alloy per ASTM A792)
- Pre-painted finish: PVDF, polyester, or HDP; gloss level 30–70 GU; salt spray resistance ≥1,000 hours
- Panel profiles: corrugated, trapezoidal, standing seam, concealed fix, and flat cassette systems
- Thermal performance: compatible with mineral wool, PIR, and EPS insulation core assemblies
- Fire rating: non-combustible steel substrate; system fire ratings available up to 120 minutes (FRL)
Get a Competitive Quote for Light Gauge Building Envelope Steel
Partner with a reliable light gauge building envelope steel supplier that delivers certified product quality, consistent mill documentation, and competitive wholesale pricing. We offer flexible MOQ policies starting from 20 tonnes per order, with FOB, CIF, and DDP shipping options to all major global ports. Our technical sales team provides project-specific material take-offs, specification compliance reports, and sample dispatch within 7 business days.
- Mill test certificates (MTC) and third-party inspection available for every shipment
- Custom slit, cut-to-length, and roll-formed profiles processed to your exact drawings
- Wholesale volume discounts for orders exceeding 100 tonnes per month
- Dedicated project support including technical datasheets, CAD profiles, and BIM data
- Global logistics network with delivery lead times of 15–30 days from order confirmation
- Full compliance with ASTM, EN 10346, AS 1397, and GB/T international standards
Contact us today to get your free quote and project material list within 24 hours!
