Color steel sheets are abundant, with varying qualities.

Single boards and composite panels are commonly used in general engineering. Composite panels are further divided into rock wool composite panels and polystyrene composite panels. Single boards are generally used for workshops or sheds; some single boards may also be further insulated with rock wool during installation, referred to as "site composite." The most common type of composite panel is the 950 model, with the 970 or 960 model being more prevalent for roof panels. Single boards commonly include 760, 820, 840, 900, 127, or 960 models, with 760 and 820 typically installed with brackets, while others are fixed with self-tapping screws. The 760, 820, and 840 models are often used for roofs, the 900 model for walls, and the 127 or 960 models for decorative wall or inverted ceiling panels.

Color steel accessories are indispensable in engineering projects. Ridge sheets, inside and outside corners, window and door flanges, small gutters, expansion joints, etc., are mostly secured with pop 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-and-play features, and the ability to be cut to size make for easy installation, efficiency, and time-saving.

3. Fireproof. The surface material and insulation material of the composite core board are non-combustible or flame-retardant materials, meeting the fire safety specifications.

4. Fire-resistant. Color-coated steel sheets treated with a coating can maintain their freshness for up to 10-15 years, with the lifespan extending to over 35 years by recoating with anti-corrosion paint every ten years thereafter.

5. Aesthetics. The clear lines of the corrugated steel sheet come in dozens of colors, 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 insulation material.

8. Strong malleability. The extruded sandwich color steel panel can be cut to any shape, sufficient to meet design requirements.

9. High Strength. Made from high-strength steel plate, with tensile strength of 5600 (kg/cm2), combined with its design and rolling forming process, it boasts structural characteristics.

Thickness

Due to the extremely thin tin coating on tinplate, in actual application, the thickness of the tin coating can be ignored when considering the thickness of the tinplate. Therefore, the thickness specified in the product standards is essentially the thickness of the steel base plate. According to the definition stipulated by GB/T2520, the thickness range of a single cold-rolled tinplate is 0.15-0.60mm, and the thickness range of a double 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 thickness tolerance of the tinplate is not greater than ±7% of the nominal thickness, and the thickness is measured at any point not less than 10mm from the edge of the steel plate.

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Features of Handmade Color Steel Sheet

1. Handcrafted color steel sheets offer excellent overall strength and strong load-bearing capacity.

2. Handcrafted color steel sheet interlocks tightly, boasts excellent airtightness, and high thermal insulation performance.

3. Handcrafted color steel panels can be customized to meet customer requirements for internal reinforcement or pre-allocated doors, windows, and air vent holes.

4. Handcrafted color steel sheets offer greater flexibility and convenience than machine-made sheets, with sizes to accommodate 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, as well as excellent fire resistance.

7. Energy-efficient, eco-friendly, economical and aesthetically pleasing; strong thermal insulation and heat preservation properties.