Galvanized Steel Coil JIS CNBM

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 m.t./month

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Quick Details

Standard: GB
Grade: HX380LAD+Z
Place of Origin: Tianjin, China (Mainland)
Type: Steel Coil
Surface Treatment: Galvanized
Application: High strength steel for cold forming
Width: 600-1534mm
Length: Coil

Packaging & Delivery

Packaging Details:	Oscillated wound: one coil per bundle, inner is the protecting humidity-proof wax paper. Medium is plastic film. Outer is sackcloth or compound paper packing. Coil to be laid on single type pallet (one pile per pallet)
Delivery Detail:	Depends on specification and order quanity.

Specifications:

(1) Regular spangle, minimized spangle and skin-pass.
(2) Chromate and Chromate-free passivation.
(3) Oiled and unoiled.

Feature:

(1) Type of zinc coating finish: regular spangle, minimized spangle and skin-pass.
(2) Types of surface qualities: as coated surface, improved surface and best quality surface.
(3) Surface treatment: chemically passivated, chromate-free passivation, phosphate, anti-finger print, phosphateand, self lubricating film, and untreated.
(4) Type of oiling: oiled and unoiled.
(5) Coil ID: 508/610mm.
(6) Grade: HX380LAD+Z; Application: high strength steel for cold forming.

Chemical Composition

Zinc Coating

Tensile Test Characteristics

What is the application of Steel Coil?

There are two sides,one is out side: Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer booth;the other is inside: Door, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutter.

Galvanized Steel Coil JIS CNBM

Q: How are steel coils inspected for surface quality?: To ensure that steel coils meet the required standards and are defect-free, a meticulous inspection process is carried out using various methods and technologies. The following steps are involved in inspecting the surface quality of steel coils: 1. Visual Inspection: Trained personnel visually examine the entire surface of the coils to detect any visible defects such as scratches, dents, or irregularities. This step allows for the identification of obvious issues through visual observation. 2. Magnetic Particle Inspection: This non-destructive testing method involves applying a magnetic field to the surface of the steel coil and then adding a magnetic particle solution. Any surface cracks or defects cause the magnetic particles to cluster, making them visible under appropriate lighting. This technique effectively detects surface cracks and abnormalities. 3. Eddy Current Testing: Electromagnetic induction is used in this inspection method to identify surface defects. An eddy current probe is moved over the surface of the steel coil, and any variations in the electrical current induced by the magnetic field are detected. This technique is especially useful for detecting surface cracks, pits, or corrosion. 4. Ultrasonic Testing: Ultrasonic waves are employed to inspect the surface of the steel coil for hidden defects like subsurface cracks or inclusions. High-frequency sound waves are transmitted into the material, and any changes in the reflected sound wave pattern indicate the presence of defects. Ultrasonic testing is highly reliable and can detect even the smallest defects within the steel coil. 5. Surface Roughness Measurement: Specialized equipment is used to measure the surface roughness of the steel coil. This measurement helps determine if the surface meets the required smoothness standards. The equipment scans the surface and provides detailed information about the roughness, allowing the inspector to ensure it falls within an acceptable range. In summary, the inspection of steel coils for surface quality involves a comprehensive process that combines visual examination with advanced testing methods such as magnetic particle inspection, eddy current testing, ultrasonic testing, and surface roughness measurement. These inspection techniques effectively identify and evaluate potential defects or surface irregularities, ensuring that the steel coils meet the necessary surface quality standards.

Q: Can cold rolled galvanized steel coils be acid washed after oxidation?: If it has been galvanized, it can not be pickled, and if it is pickled, it may corrode the zinc layer

Q: I'm writing a story, and trying to find out how hot it needs to be for steel to turn into a gas.: Steel is to broad. There are many types of steel with different melting/boiling points. Iron* has a boiling point of 5182 °F and a Heat of vaporization of 340 kJ·mol?1. iron is the main ingredient of steel, along with carbon and other various elements.

Q: Hi, I would like to know if steel is an important material in desalination plants. If it is, could you specify what type of steel is used (i.e. flat steel products, long steel products, etc). Thanks.: yes stainless steel pipes

Q: There's this huge community of steelians (steelites?) in my town. Has anybody heard of this Dr. Steel?: Here are twenty that I grew up listening to, such a lot of them within the loved ones auto in which I had 0 manage over what used to be performed. But I nonetheless love each one in every of them to nowadays... Sea Cruise- Frankie Ford Walk Don't Run- The Ventures Don't Worry Baby- The Beach Boys Bus Stop- The Hollies These Boots Are Made For Walking- Nancy Sinatra I Saw Her- Mamas Papas A Taste Of Honey- Herb Alpert Everybody's Talking At Me- Nilsson Superstar- The Carpenters Indian Reservation- Paul Revere The Raiders Come And Get It- Badfinger Tell Me Something Good- Rufus Come And Get Your Love- Redbone Higher Ground- Stevie Wonder Waterloo- ABBA How Long (Has This Been Going On)- Ace The Hustle- Van McCoy More More More- Andrea True Connection Shining Star- Earth, Wind Fire Got To Give It Up- Marvin Gaye

Q: How are steel coils used in the production of industrial boilers?: Steel coils are used in the production of industrial boilers as they are fabricated into various components such as tubes, headers, and drums. These coils provide strength and durability to withstand high pressure and temperature conditions in boilers. Additionally, the coils are often used for heat exchange purposes, ensuring efficient transfer of thermal energy within the boiler system.

Q: How are steel coils cut into smaller sizes?: Steel coils can be cut into smaller sizes using various methods, depending on the desired dimensions and quantities. One common method is called slitting, which involves passing the coil through a set of circular blades. These blades make multiple cuts simultaneously, creating narrower strips of steel. Slitting is often used to produce narrow coils or strips for specific applications such as automotive parts or electrical components. Another method is called shearing, which involves using a straight blade to cut the coil into smaller lengths. This method is typically used when precise dimensions are required, such as for manufacturing flat sheets or plates. Shearing can be done manually or using automated machinery. Additionally, some steel coils can be cut using laser or plasma cutting techniques. These methods allow for more flexibility in terms of shape and size, as they can create intricate cuts or contours. Laser or plasma cutting is commonly used when specific shapes or profiles are needed for applications like construction or fabrication. Overall, the process of cutting steel coils into smaller sizes involves various techniques such as slitting, shearing, laser cutting, or plasma cutting. The choice of method depends on factors such as the desired dimensions, quantities, and specific requirements of the end product.

Q: A roll of 1 meters wide color steel roll about how many tons?: Color steel roll is a composite material, both steel and organic materials, both of them a little. Both the mechanical strength of steel plate and easy molding performance, but also organic materials, good decoration, corrosion resistance. 1 meters wide should also have length, wall thickness conditions to know how many tons. The manufacturer is generally in accordance with customer requirements into a volume, the normal width of 1 meters per roll over 1 tons.

Q: I need details for steel column splices welded or bolted. References or autocad blocks will be very useful. Thank you very much!: Boy oh boy, that request would open you up to a bunch of different types of files and drawings. There are so many different ways to make a column splice for structural steels. And they all would depend greatly on the loads that the joint will be subject too. You need to find a copy of the Manual of Steel Construction Ninth edition (or newer if its out, mine is the ninth), from the AISC 'American Institute of Steel Construction. This book will show you quite a few different connection options, welded and bolted. You will need to make drawings from the dimensions and details you see in the book. One other thing, you might try to find a manual for steel detailing, the seventh edition of the above book had a section to show detailing dimensions for different steel elements, dependant on the size and shape of the member itself.

Q: How are steel coils used in the manufacturing of construction bulldozers?: Steel coils are used in the manufacturing of construction bulldozers primarily for their strength and durability. These coils are typically transformed into various components, such as the bulldozer's frame, blade, and tracks, which require robust materials to withstand the heavy-duty tasks and harsh operating conditions. The steel coils are processed and shaped into these parts, ensuring that the bulldozer can effectively push, lift, and carry heavy loads while enduring the rigors of construction sites.

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