color steel coil/prepainted galvanized steel coil/PPGI for roofing and construction

color steel coil/prepainted galvanized steel coil/PPGI for roofing and construction System 1

color steel coil/prepainted galvanized steel coil/PPGI for roofing and construction System 2

color steel coil/prepainted galvanized steel coil/PPGI for roofing and construction

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 3000 m.t./month

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Packaging & Delivery

Packaging Detail:	waterproof paper+steel sheet+outer/inner protective circles+side protective guard+wood pallet
Delivery Detail:	within 30 days after received deposit or L/C at sight

Specifications

1.color steel coil
2.thickness:0.12-2.0mm
3.width:900-1250mm
4.certificate:ISO 9001:2008
5.manufacturer

Company introduction of color steel coil :

Shandong Luli Steel Co. Ltd, founded in 1993, is a holding company of Luli Group, located in Weifang city, Shandong

province,China. It is a joint steel manufacturer with 2 PPGI production line,1 GI and Aluzinc production line,

15 different kinds of corrugated steel roofing sheet machines and 5 different kinds of load bearing plate

machines.Products have passed ISO9001 international quality system authentication.Leading products include:

(1)0.12mm-2.0mm*900mm-1250mm*C prepainted galvanized steel coil

(2)0.15mm-2.0mm*900mm-1250mm*C hot dipped galvanized steel coil and aluzinc steel coil

(3)0.30mm-1.0mm*750mm-1075mm*C corrugated steel roofing sheets

(4)0.80mm-1.2mm*600mm-720mm*C load-bearing plates

Products have exported to Korea, Japan and Southeast Asia with good reputation.Luli Steel Co., Ltd warmly welcomes

all the customers to come to visit factory.If you are interested in our products,pls feel free to contact me.You could

also add me on SKYPE or WHATSAPP to contact in time.Detail contact information as follow:

Contact person
SKYPE
WHATSAPP
QQ
E-mail
E-mail
Trademanager
Moble
Tel.
Fax.
Website

Production introduction of color steel coil :

Commodity	PPGI/PPGL
Standard	JIS G3302, JIS G3313, ASTM A653, GB/T2518-88, GB11253-89,, BS, ect.
Grade	SGCC,CGCC,SGCD,SPCC,DX51D,DX52D,DX53D
Thickness	0.12mm-2mm
Width	900-1250mm
Coil ID	508mm/610mm
Coil Weight	3-6tons
Zinc Coating	Z20-Z270g/m²
Color	sea blue,white grey , bright red or according to RAL color system
Thickness of coating	Top coating:12-25 microns,back coating:5-8microns
Technique	Cold rolled galvanized steel coil,galvalume steel coil
Surface Production	PE,PVDF,SMP,HDP,ect.
Application	Roofing, Corrugated Roofing Making,Outside of the buildings,Structure,Wall, Deep Drawn
Delivery time	About 30 working days after received client deposit or irrevocable L/C at sight
Shipment	Container or bulk
Payment Term	L/C,T/T

Production line instruction of color steel coil :

loading coil-uncoil-stitching machine-entry looper-first time alkali cleaning-second time alkali

cleaning-first time hot water washing-second time hot water washing-epoxy primary coating-primary coating drying-first time water quenching-polyester top coating-high tempreture top coating dry-second time water quenching-outlet looper-cut down-unloading coil-weighing-packing and warehousing

Q: What is the role of steel coils in the production of storage shelves?: Steel coils are used in the production of storage shelves to provide strength and durability. The coils are processed and shaped into various components of the shelf, such as the frame, shelves, and brackets. This ensures that the shelves are able to withstand heavy loads and maintain their structural integrity over time. Steel coils also offer corrosion resistance, making them suitable for use in storage environments.

Q: What are the different types of steel coil surface finishes for aesthetics?: There are several types of steel coil surface finishes commonly used for aesthetic purposes. These include mill finish, brushed finish, mirror finish, embossed finish, and patterned finish. Each finish has its own unique appearance and texture, allowing for a wide range of aesthetic options when it comes to steel coil applications.

Q: What are the different steel coil specifications?: There are several different steel coil specifications available, including dimensions, thickness, width, and weight. These specifications vary depending on the specific application and industry requirements. Additionally, steel coils can be classified based on their surface finish, such as hot-rolled, cold-rolled, or galvanized.

Q: I noticed that Jimmy Page finger picked on a steel acoustic guitar on quite a few tracks like Stairway to heaven and other ones and I was wondering how did he do it? I know it is more difficult to finger pick on a steel acoustic because of the rougher steel strings and higher tensions so I was wondering do they make specific strings that allow for fingerstyle playing? Also Randy Rhoads finger picked a steel acoustic on Dee along with a Classical guitar.: Nylon Acoustic Guitars

Q: During fatigue testing of any material (especially for steels), why is strain-control mode preferred over stress control mode?: because metals, like steel, are ductile and will stretch before breaking. Straining the metal is stretching it, stressing the metal is applying a shearing force or bending until there is an actual metal failure. A sheet metal strap 1inch across and 24 gauge metal is commonly used to support metal ducting systems in construction. These have an average strain to failure weight load as high as 16,200 lbs. As reported by the smacna index, they will safely hold 6800 pounds. Of more interest is the screws used to hold the strap to the duct. While they are grade 3, fairly strong, they strain to 1400 pounds when properly installed, and are safely able to support 650 pounds, unless they are overtorqued (stripped) and this quickly drops to 400 pounds and 125 pounds...big difference.

Q: I know that mild steel is more brittle than cast iron....but that is all.......please help??Thank you in advance......Ruby:D: I know that mild steel is more brittle than cast iron You know wrong - cast iron is very brittle and mild steel is easy to bend and work. Cast iron is a high carbon product while mild steel is much lower carbon

Q: How are steel coils transported internationally?: Typically, steel coils are shipped internationally by sea due to their heavy and bulky nature, which makes air transportation impractical. The most common method involves using specialized shipping containers called flatracks or open-top containers, which allow for easy loading and unloading onto vessels. Before being transported, the steel coils are typically securely strapped or banded together to prevent movement or damage during transit. Cranes or forklifts are then used to load the coils onto the flatracks or open-top containers. Careful placement and securing of the coils onto the containers ensure stability and prevent shifting during the journey. Once loaded, the containers are sealed and taken to the nearest port, where they are loaded onto cargo ships designed specifically for heavy and oversized cargo. These ships are equipped with specialized handling equipment like cranes and ramps to facilitate container handling. During the journey, the cargo ships adhere to predetermined shipping routes to reach the destination port. The duration of the journey depends on the distance between the origin and destination ports. Since steel coils are typically transported in large quantities, multiple containers may be loaded onto a single ship. Upon arrival at the destination port, cranes or ramps are used to unload the containers from the cargo ship. The steel coils are then carefully removed from the containers and transported to their final destination, which may involve further transportation by road or rail. Throughout the transportation process, it is crucial to adequately protect the steel coils from moisture, corrosion, and other potential damages. Special attention is given to handling and stowage to minimize the risk of structural damage or deformation. In conclusion, specialized shipping containers are utilized to transport steel coils internationally by sea. The coils are securely loaded onto flatracks or open-top containers and transported by cargo ships to the destination port. Proper handling and stowage techniques are employed to ensure the safe and secure transportation of the steel coils.

Q: What are the different types of steel coil surface treatments?: There are several different types of steel coil surface treatments, including hot-dip galvanizing, electro-galvanizing, painting, and powder coating.

Q: How are steel coils used in the production of solar panels?: Steel coils are not directly used in the production of solar panels. However, steel is typically used in the manufacturing of the structural frames and mounting systems for solar panels. These frames and mounting systems provide support and stability to the solar panels, ensuring their proper installation and long-term durability.

Q: How are steel coils inspected for yield strength?: Yield strength inspection of steel coils involves a series of testing methods. The most commonly used method is the tensile test, where a small sample is taken from the coil and subjected to a controlled load until it reaches its yield point. In the tensile test, the sample is progressively stretched until it deforms and ultimately fractures. Throughout this process, the load and elongation data are continuously recorded. The yield strength is then determined by pinpointing the point on the stress-strain curve where the material starts showing plastic deformation or permanent elongation. Another approach to inspecting steel coils for yield strength is the hardness test. Since hardness is often linked to yield strength, a hardness test can estimate the material's yield strength. This test involves measuring the steel coil's surface resistance to indentation or penetration using instruments like a Rockwell or Brinell hardness tester. Moreover, non-destructive testing methods like ultrasonic testing and magnetic particle inspection can also be utilized to assess yield strength. Ultrasonic testing employs high-frequency sound waves to detect any internal defects or inconsistencies in the material's structure. On the other hand, magnetic particle inspection relies on the application of magnetic fields and the usage of magnetic particles to identify surface cracks or defects. In conclusion, there are various testing methods available to inspect steel coils for yield strength. These methods offer valuable information to manufacturers and inspectors regarding the steel's quality and performance capabilities, ensuring that it meets the required standards and specifications.

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