Prime Quality Prepainted Galvanized Steel Coil for Roofing Sheet

Prime Quality Prepainted Galvanized Steel Coil for Roofing Sheet System 1

Prime Quality Prepainted Galvanized Steel Coil for Roofing Sheet

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 9000 m.t./month

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Product Description

Prepainted steel coil

Specifications

1.Standard: ASTM,GB,JIS
2.Grade : DX51D+Z
3.Thickness: 0.18-1.5mm
4.Width:914-1250mm
5.Top paint:20mil,Black paint:7mil
6. Technical/Surface treatment: color coated/galvanized/galvalume
7..Useage: widely used in construction,home,appliance,decoration,wear resistant steel,etc.

Advantages:

1. more than 10 years experiences in steel b2usiness
2. good quality
3. competitive price
4. meet your needs via reprocessing
5. excellent service
6. short delivery time

Company :

Tianjin Liwei Iron&Steel Co.,Ltd is the specialized manufacturer of the prepainted steel coil ,
including the PPGI and PPGL . And our products have exported to Korea , Southeast Asia ,
Russia , Middle East ,South America ,South Africa ,Northern Europe and do on .

Product :

Prime Quality Prepainted Galvanized Steel Coil for Roofing Sheet

Commodity :	Prepainted steel coil /PPGI /PPGL
Materials Grade:	SGCC ,CGCC ,DX51D+Z ,SGLCC
Thickness :	0.17-1.2mm
Width :	914mm,1219mm,1000mm,1220mm,1250mm ( can cut to strip above 30mm width )
Zinc coating :	60-275g/sqm
Surface Structure:	Galvanized Or Aluzinc
Color :	RAL No. or Sample color
Painting :	Top : 5micron primer +15-20microns polyester Back : 5-8microns primer epoxy
Coil Weight :	2-6mts
Payment term :	TT ,L/C AT SIGHT , USANCE L/C ,D/P
Shipment :	20 feet container or bulk ship
Remark :	We accept the third-party inspection ,such as SGS , INSPECTORATE ,CIQ

FAQ

1. Do you have QC team?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.for quality inspection every day.

Q:What are the different types of steel coil packaging materials used during processing?: There are several different types of steel coil packaging materials used during processing, including steel strapping, plastic strapping, stretch film, corner protectors, edge protectors, and wooden crates.

Q:How is the thickness of a steel coil measured?: The thickness of a steel coil is typically measured using a device called a thickness gauge or micrometer. This tool consists of a calibrated mechanical or digital system that measures the distance between two opposing surfaces of the steel coil. By placing the gauge on the coil and applying pressure, the thickness can be accurately determined.

Q:How are steel coils inspected for thickness using ultrasonic testing?: Steel coils can be inspected for thickness using ultrasonic testing, which is a non-destructive testing method. In this process, a handheld ultrasonic thickness gauge is used to measure the thickness of the steel coil. The ultrasonic thickness gauge emits high-frequency sound waves that travel through the steel coil. These sound waves bounce back from the backside of the coil, creating an echo. The time taken for the echo to return to the gauge is measured and used to calculate the thickness of the coil. The gauge consists of a transducer that emits the sound waves and a receiver that detects the echoes. The transducer is placed on the surface of the coil, and a coupling gel or oil is used to ensure a good acoustic contact between the transducer and the steel surface. The transducer emits a short burst of sound waves, which penetrates through the steel coil and reaches the backside. When the sound waves encounter any changes in the thickness of the coil, such as defects or variations, they get reflected back to the transducer. The receiver detects these echoes, and the time between the emission and reception of the sound waves is measured. Using the known speed of sound in steel, the time taken for the sound waves to travel through the coil and back can be converted into a thickness measurement. This provides an accurate assessment of the thickness of the steel coil at various points. Ultrasonic testing is a reliable and efficient method for inspecting the thickness of steel coils. It allows for quick measurements without damaging the material, making it suitable for quality control and ensuring compliance with manufacturing specifications.

Q:What are the different types of steel coil leveling methods?: There are several different steel coil leveling methods, including roller leveling, stretcher leveling, and temper leveling.

Q:How are steel coils stored and transported?: Steel coils are typically stored and transported in a horizontal position, either on the ground or on specially designed racks. They are often secured with steel straps or bands to prevent movement or damage during transportation. When being transported, steel coils are typically loaded onto flatbed trucks or shipping containers using cranes or forklifts. The coils are then secured in place with additional straps or chains to ensure stability during transit.

Q:How are steel coils used in the manufacturing of automotive wheels?: Steel coils are used in the manufacturing of automotive wheels by being processed and shaped into the necessary components such as rims and spokes. These coils are cut, formed, and welded to create the desired wheel design, ensuring durability and strength for safe and reliable use on vehicles.

Q:Can steel coils be coated with phosphorescent materials?: Yes, steel coils can be coated with phosphorescent materials. The phosphorescent coating can be applied to the surface of the steel coils, allowing them to emit a glow in the dark or low-light conditions.

Q:How do steel coil manufacturers minimize waste and maximize efficiency?: Steel coil manufacturers minimize waste and maximize efficiency by implementing various strategies such as optimizing production processes, recycling and reusing scrap materials, adopting advanced technologies for energy conservation, and implementing lean manufacturing principles to eliminate unnecessary steps and reduce downtime. They also focus on continuous improvement, employee training, and regular maintenance of equipment to ensure smooth operations and minimize waste generation.

Q:how do i quinch steel? i heard instead of water oil will actually make it harder... wat ways are best for wat steels? and how do i tell wat kind of steel i have?... i will be doin this with my poket knife..: boy what a though question ! let me explain. when you rapidly cool a steel from high temperatures(depending on steel type) with water or oil or other means , it is called quenching. it depends on the steel type to say if it is better to quench it with oil or water but basically in water you will have a harder steel rather than oil. for some steels if you do this you will ruin it's properties ! you can't totally tell what kind of steel do you have until you get it analyzed with Quantometer analyzer with a pocket knife it is more like an estimation and it can't be trust able generally if you can scratch the steel with your knife it means it is not a hard steel and it might not be expensive. I hope that helps but for more information i need to know more !

Q:Does anyone have any idea where I could get a necklace that has the British Steel by Judas Priest logo?: try OKorder.....really i think your local pawn shop should get an idea of the necklace.but if they don't have it ,go to OKorder.

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