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Metal Building Color Steel Sheet - Factory Price Supplier
China
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Metal Building Color Steel Sheet
| Property | Parameter | Description |
|---|---|---|
| Product Name | Metal Building Color Steel Sheet | Pre-painted galvanized/galvalume steel sheet for building applications |
| Material Grade | DX51D, S280GD, S350GD / SGCC, SGCH | International equivalents: DX51D+Z (EN), SGCC (JIS), Q235 (GB) |
| Standard Compliance | EN 10346, ASTM A755, JIS G3312, GB/T 12754 | Meets international pre-painted steel coil and sheet standards |
| Base Metal Coating | Galvanized (GI) / Galvalume (GL) | Zinc coating: Z60–Z275 g/m²; Al-Zn coating: AZ50–AZ150 g/m² |
| Chemical Composition (C) | ≤ 0.12% | Low carbon content ensures formability and weldability |
| Chemical Composition (Mn) | ≤ 0.60% | Manganese for strength and hardness balance |
| Chemical Composition (P/S) | P ≤ 0.10%, S ≤ 0.045% | Controlled for improved corrosion resistance and ductility |
| Tensile Strength | 270–560 MPa | Per EN 10346 / ASTM A755; varies by grade (e.g., S280GD: ≥ 360 MPa) |
| Yield Strength | 220–420 MPa | S280GD: ≥ 280 MPa; S350GD: ≥ 350 MPa (EN 10346) |
| Elongation | ≥ 16–22% | Minimum elongation (A80) ensuring good bending and forming performance |
| Thickness Range | 0.12 – 1.50 mm | Common building use: 0.30–0.80 mm; custom thickness available |
| Width Range | 600 – 1,250 mm | Standard widths: 750 mm, 900 mm, 1,000 mm, 1,200 mm |
| Paint Coating | Top coat: 15–25 μm; Primer: 5–7 μm; Back coat: 7–10 μm | Polyester (PE), PVDF, SMP, HDP coating options available |
| Surface Finish | Smooth / Embossed / Matte / Glossy | RAL color customization available; gloss level 10–80 GU |
| Application | Roofing, wall cladding, sandwich panels, warehouses, factories | Widely used in industrial, commercial, and residential metal buildings |
| Certification | ISO 9001, SGS, BV, CE | Third-party inspection and mill test certificate (MTC) available |
| Packaging | Coil or sheet; waterproof paper + steel strip + wooden pallet | Coil weight: 3–8 MT; export seaworthy packaging standard |
| MOQ | 25 MT per order | Mixed colors and specifications accepted for full container load (FCL) |
Metal Building Color Steel Sheet - Factory Price Supplier
Metal building color steel sheet serves as one of the most versatile and structurally reliable cladding materials in modern commercial, industrial, and residential construction. Engineered to deliver long-term performance under demanding environmental conditions, this product combines a cold-rolled steel substrate with a multi-layer protective coating system — typically comprising a hot-dip galvanized or galvalume base layer, a chemical conversion treatment, a primer coat, and a durable polyester or PVDF topcoat. The result is a panel that resists UV degradation, moisture intrusion, and mechanical abrasion simultaneously. Architects and structural engineers across Southeast Asia, the Middle East, Africa, and South America increasingly specify color-coated steel sheets for roofing, wall cladding, sandwich panels, and pre-engineered metal building envelopes. With mill-direct rates and consistent batch quality, sourcing directly from a certified factory eliminates unnecessary intermediary costs while ensuring full traceability from raw coil to finished sheet.
What is Metal Building Color Steel Sheet?
Metal building color steel sheet is a pre-painted, roll-formed or flat-cut steel product manufactured by applying a continuous organic coating onto a galvanized or galvalume steel substrate. The coating bonds permanently to the metallic surface through a controlled baking process at temperatures between 200°C and 232°C, producing a decorative, weather-resistant finish available in a broad spectrum of RAL and custom colors suited for structural building applications.
Metal Building Color Steel Sheet Manufacturing Process
Production begins with high-tensile cold-rolled steel coils, typically with a base metal thickness ranging from 0.3 mm to 1.2 mm and a minimum yield strength of 250 MPa per GB/T 12754 or equivalent ASTM A755 standards. Coils undergo continuous hot-dip galvanizing at a zinc coating weight of Z100–Z275 g/m², followed by chromate passivation, primer application at 5–8 µm dry film thickness, and a finish coat at 15–25 µm. The coil coating line operates at speeds up to 120 m/min, ensuring uniform color and adhesion across every meter of output.
Metal Building Color Steel Sheet Technical Specifications
Standard panel widths range from 750 mm to 1,250 mm with effective coverage widths of 750–1,050 mm depending on profile. Steel base thickness options include 0.40 mm, 0.47 mm, 0.50 mm, 0.60 mm, and 0.80 mm. Zinc coating adheres to a minimum of 120 g/m² (double-side total). The topcoat pencil hardness reaches HB–2H, with a 180° T-bend flexibility rating of 0T–2T and a salt spray resistance exceeding 500 hours per ASTM B117. Color retention under accelerated weathering tests meets 2,000 hours minimum per ASTM G154, making these sheets suitable for tropical, coastal, and arid climate zones.
Get a Competitive Quote for Metal Building Color Steel Sheet
Our factory supplies premium-grade metal building color steel sheet at mill-direct rates with customizable thickness, profile, and color options. Whether your project demands standard corrugated sheets or standing-seam roofing panels, our technical team is ready to deliver tailored solutions with lead times as short as 7–15 business days for bulk orders.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!
