prepainted steel roof sheet / colour corrugated prepainted sheet

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Standard:	AISI,ASTM,DIN,GB,JIS	Grade:	AISI,ASTM,BS,DIN,GB,JIS	Thickness:	0.17mm-0.6mm
Place of Origin:	China (Mainland)	Brand Name:		Model Number:	Corrugated sheet
Type:	Steel Plate	Technique:	Cold Rolled	Surface Treatment:	Coated
Application:	Roofing,Ceiling,Roof	Special Use:	High-strength Steel Plate	Width:	600-1250mm
Length:	as per customers request	Zinc coating:	60-275g/m2	Surface processing:	Regular spangle,minimal spangle

Packaging Detail:	Standard seaworthy or as your requirement.
Delivery Detail:	Within 9 days after confirming the order.

Prepaint corrugated roofing sheet
1.our material are from big mill
2.surface and edge is glossy
3.our package is export pa

Prepainted corrugated steel roofing sheets

Standard	JIS G3302 1998, ASTM A653M/A924M 2004,or according to your request
Thickness	0.13mm-1.5mm
Width	400mm-1250mm
Tolerance	Thickness: +/-0.02mm Width:+/-2mm
Length	We can adjust the length according to your request
Wave depth	As to requirement
Zinc Coating	40g/m2-275g/m2
Surface treatment	Color-Coated & Galvanized
Color	All RAL color
Coat	25±5μm on front coating and 7± 2μm on back coating
Temper	1.Full hard
	2.Commercial quality
	3. Dry, chromate, skin passed, tension level, shining.
Spangle	Regular spangle, minimized spangle and zero spangle
Tensile Strength	>300mpa
Yield Strength	370-380mpa
Application	various roofs or walls referring to the large size factory buildings, storages, exhibition halls, gymnasiums etc.
MOQ	50Ton

Specification

Q:What are the common applications of cold-rolled steel sheets?: Cold-rolled steel sheets are commonly used in a wide range of applications such as automotive components, appliances, construction materials, furniture, and industrial machinery.

Q:What are the different sheet metal bending techniques for steel sheets?: There are several sheet metal bending techniques for steel sheets, including air bending, bottoming, coining, and folding. Air bending involves applying force to the sheet metal to bend it using a V-shaped punch and a V-shaped die, without touching the bottom of the die. Bottoming involves bending the sheet metal until it comes into full contact with the bottom of the die, resulting in a tighter bend radius. Coining is a precision bending technique that uses a punch and a die to create a highly accurate and crisp bend. Folding, on the other hand, involves bending the sheet metal at a specific angle using a press brake or a folding machine. These techniques offer various options for achieving different bending requirements in steel sheet fabrication.

Q:What is the average lifespan of a painted steel sheet?: The lifespan of a painted steel sheet can differ based on several factors, including the paint quality, exposure to the environment, and maintenance. However, a well-maintained painted steel sheet typically lasts between 20 to 50 years. It should be emphasized that regular inspections, cleaning, and touch-up painting contribute to extending the sheet's lifespan. Furthermore, the durability of both the paint and the sheet can be greatly affected by exposure to severe weather, extreme temperatures, or corrosive environments.

Q:Are steel sheets suitable for agricultural equipment?: Yes, steel sheets are suitable for agricultural equipment due to their durability, strength, and resistance to harsh environmental conditions typically encountered in agricultural settings. They provide excellent protection against impact, corrosion, and wear, making them ideal for manufacturing various agricultural machinery and implements such as plows, cultivators, and seeders. Additionally, steel sheets can be easily formed and welded to create custom components, ensuring versatility in design and functionality for agricultural equipment.

Q:What is the thermal conductivity of steel sheets?: The thermal conductivity of steel sheets is typically around 50-60 W/m·K.

Q:What are the electrical conductivity properties of steel sheets?: Steel sheets have high electrical conductivity properties due to the presence of metallic bonds between iron atoms, allowing for the easy flow of electric current through the material.

Q:What are the dimensions of steel sheets?: The dimensions of steel sheets can vary depending on the specific requirements and applications. However, commonly available steel sheets come in standard sizes such as 4 feet by 8 feet or 5 feet by 10 feet. Additionally, steel sheets can be found in various thicknesses ranging from thin gauges (e.g., 28 gauge) to thicker options (e.g., 16 gauge).

Q:How do steel sheets perform in extreme temperatures?: Steel sheets generally perform well in extreme temperatures. Steel is known for its excellent heat resistance, allowing it to maintain its structural integrity and mechanical properties even when subjected to high or low temperatures. However, extreme temperatures can affect the strength and ductility of steel, causing it to become brittle at low temperatures and lose some of its load-bearing capacity at high temperatures. Therefore, the specific performance of steel sheets in extreme temperatures depends on factors such as the grade of steel used and the duration and intensity of the temperature exposure.

Q:Can the steel sheets be bent without cracking?: Steel sheets have the capability to be bent without cracking. This capability relies on several factors including the type and grade of steel, the thickness of the sheet, and the bending process employed. As a general rule, steel sheets can be bent without cracking as long as the bending radius and angle fall within the recommended limits specific to the type and grade of steel being used. Furthermore, preheating the steel sheet before bending can further mitigate the risk of cracking. It is crucial to adhere to proper bending techniques and utilize suitable tools to guarantee successful bending of steel sheets without any cracks.

Q:What is the hardness of the steel sheets?: The specific grade and treatment of steel can cause variations in the hardness of steel sheets. The Rockwell hardness scale is commonly used to measure the resistance of steel sheets to indentation. The hardness of steel sheets can vary greatly, ranging from soft to extremely hard, and is influenced by factors like carbon content, alloying elements, and heat treatment methods employed in manufacturing. When choosing steel sheets, it is crucial to consider the intended application and desired properties, as the hardness can impact wear resistance, strength, and machinability.

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