Color steel sheets are abundant, with varying qualities.

In general engineering applications, panels are available in single and composite types, with composites further categorized into rock wool and polystyrene composite boards. Single boards are commonly used in workshops or canopies; some are even supplemented with rock wool during installation, referred to as "on-site composite." The most common panel type for composite board walls is the 950 model, while the roof panels are mostly 970 or 960 models. Single boards are typically 760, 820, 840, 900, 127, or 960, with 760 and 820 being mounted using brackets, and other types being secured with self-tapping screws. The 760, 820, and 840 are often used as roof panels, the 900 is more for walls, and the 127 or 960 are for wall or ceiling inverted suspended ceiling decoration.

Color steel accessories are indispensable in engineering projects. Ridge caps, inside and outside corners, door and window trim, small gutters, expansion joints, etc., are mostly fixed with rivets and sealed with glue.

Product Features of Sandwich Color Steel Plate:

1. Lightweight quality. Less than 24 kg per square meter, significantly reducing structural costs.

2. Quick installation. Its light weight, plug-in and cut-to-size features ensure easy installation, efficiency, and time-saving.

3. Fireproof. The surface material and thermal insulation material of the color steel composite core board are non-flammable or flame-retardant materials, meeting the fire protection specification requirements.

4. Fire-resistant. Color-coated steel sheets treated with a coating can maintain their freshness for 10-15 years, and then require anti-corrosion coating every ten years, extending the lifespan of the sheets to over 35 years.

5. Aesthetically pleasing. The clear lines of the corrugated steel sheet come in dozens of colors, making it adaptable to the needs of any architectural style.

6. Insulation and Heat Retention. Common insulation materials include rock wool, glass fiber wool, polyurethane, etc., with low thermal conductivity and excellent insulation and heat retention properties.

7. Environmental Protection and Noise Reduction. The composite board has a sound insulation strength of up to 40-50 decibels, making it an effective noise reduction material.

8. High moldability. The pressed sandwich color steel plate can be cut freely, meeting the design requirements sufficiently.

9. High Strength. Utilizing high-strength steel plate as the base material, with a tensile strength of 5600 (kg/cm²), combined with its design and roller forming, it boasts structural characteristics.

Thickness

Due to the extremely thin tin coating on tinplate, in practical applications, the thickness of the tin coating can be disregarded when considering the thickness of the tinplate. Therefore, the thickness specified in the product standards essentially refers to the thickness of the steel base plate. According to the definition stipulated by the national standard GB/T2520, the thickness range of one-time cold-rolled tinplate is 0.15-0.60mm, and the thickness range of two-time cold-rolled tinplate is 0.12-0.36mm. When the nominal thickness of the tinplate is less than 0.50mm, it is graduated in multiples of 0.01mm; when the nominal thickness is 0.50mm or more, it is graduated in multiples of 0.05mm. The allowable deviation in thickness of the tinplate is not more than ±7% of the nominal thickness, and the thickness measurement should be taken at any point not less than 10mm from the edges of the steel plate.

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Features of Handmade Color-Steel Sheet Products

1. Handcrafted color steel sheet has excellent overall stiffness and strong bearing capacity.

2. Handcrafted color steel sheet joints are tight, with good airtightness and high thermal insulation performance.

3. Handcrafted color steel panels can be customized to include internal reinforcement or pre-drilled holes for doors, windows, and air vents according to customer requirements.

4. Handcrafted colored steel sheets offer greater flexibility and convenience than machine-made sheets, with sizes to meet various non-standard applications, without the need for on-site cutting.

5. Easy installation, high efficiency, smooth surface, superior appearance quality

6. Features good soundproofing and noise absorption properties, along with excellent fire resistance.

7. Energy-saving, eco-friendly, economically aesthetic, with strong thermal insulation and heat preservation properties.