Galvanized Steel Coil ASTM A653 CNBM System 1

Galvanized Steel Coil ASTM A653 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 ASTM A653 CNBM

Q: How are steel coils used in the HVAC industry?: Steel coils are commonly used in the HVAC industry for heat transfer purposes. They are typically used in air conditioning and refrigeration systems to transfer heat between the refrigerant and the surrounding air. The coils are designed to efficiently absorb or release thermal energy, allowing for effective cooling or heating.

Q: What are the safety precautions for handling steel coils?: Some safety precautions for handling steel coils include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. It is important to ensure proper lifting techniques are used, utilizing equipment like forklifts or overhead cranes when necessary. Coils should be stored and stacked securely to prevent them from falling or rolling. Regular inspections of coils and equipment should be conducted to identify any potential hazards or damages. Additionally, workers should be trained on safe handling procedures and be aware of the weight and dimensions of the coils they are handling.

Q: it has 2 be 20 inches overall, and 2and1/2 inches wide and .25 or more inches thick... im thinking truck steel but im not sure thx: I made mine from a power hack saw blade. Granted it isn;t a quarter inch thick but it sure works well. Used the tooth part for the blade edge, just ground off the teeth. I can use a hammer or a stone on he back side of the blade to chop through the bone when cleaning deer.

Q: I am doing an assignment for my materials class, im not asking for the answer but just some help. I have the assignment finished and handed in but the teacher gave it back with one comment, he asked me to explain the grain growth in steel during hydraulic press bending. Im completely stuck, please help. Thanks.: There is such a thing as critical strain which will lead to extraordinary grain growth on annealing;but not without annealing.It would be to do with the density of grain growing sources and clearly the density of these nuclei woul increase with increasing severity of strain so I just of a guess that that those parts of a pressing with least strain might grow most.But I must tell you that in the case of Aluminium alloy extrusions severe and expensive coarse grain occurs near the surface and particularly toward the back end of the bar;so this would be where most severe deformation takes place.However in a pressed steel part you have all possible circumstances,some of which on ironed walls will resemble extrusion,others would be bending strains,tensile and compressive .I have to cop out of this now because as old wasname above,said it depends.But bear in mind that it is unlikely that the material you mention would be hot pressed,further arse grain might only be a surface problem and is likely to be cured by normalising so that new ferrite grows from austenite.A similar solution does't exisat for Al alloy extrusions,it has to be machined off.In a cold steel pressig you would only expect to see a cold worked sructure because the recrystallisation temperature of pressable steel would not be less than,say 550 degrees C .

Q: What are the different thickness tolerances for steel coils?: The different thickness tolerances for steel coils can vary depending on the specific requirements and industry standards. However, some common thickness tolerances for steel coils include: - Standard Tolerance: This tolerance typically ranges from ±0.005 inches to ±0.010 inches, meaning that the actual thickness of the steel coil can deviate within this range from the specified thickness. - Tighter Tolerance: In some cases, stricter tolerances may be required, especially for critical applications or industries. Tighter tolerances can range from ±0.002 inches to ±0.005 inches, ensuring a more precise thickness control for the steel coils. - Custom Tolerance: Depending on the specific needs of a project or customer, custom thickness tolerances can be defined. These tolerances can be either looser or tighter than the standard or tighter tolerances, depending on the application and the desired level of precision. It is important to note that different industries and applications may have their own specific tolerance requirements. For instance, industries like automotive or aerospace may require tighter tolerances due to the critical nature of their applications, while other industries may accept looser tolerances. Additionally, the specific type of steel being used can also impact the acceptable thickness tolerances. Therefore, it is crucial to consult the relevant industry standards and specifications to determine the appropriate thickness tolerances for steel coils in a particular application.

Q: What are the surface treatments for steel coils?: Steel coils have multiple options for surface treatments, each with a particular purpose and unique advantages. Some popular surface treatments for steel coils are: 1. Hot-dip galvanization: This technique involves submerging the steel coil in molten zinc, resulting in a protective layer of zinc coating on the surface. Galvanization provides outstanding corrosion resistance, making the steel coil suitable for outdoor use in harsh environments. 2. Electro-galvanization: By using an electrolytic process, a thin layer of zinc is deposited onto the steel coil's surface. Electro-galvanization offers good corrosion resistance, although the coating is generally thinner compared to hot-dip galvanization. 3. Pre-painting or pre-coating: Prior to being formed into final products, steel coils can be coated with paints or other coatings. This surface treatment enhances the coil's visual appeal while providing protection against corrosion, weathering, and other environmental factors. 4. Pickling and oiling: This treatment involves immersing the steel coil in an acid solution to remove oxides and scale from the surface. After pickling, the coil is typically coated with oil to prevent rust formation during storage and transportation. 5. Phosphating: Phosphating is a chemical conversion coating process that forms a phosphate layer on the steel coil's surface. This treatment improves the adhesion of subsequent coatings, such as paints or primers, while also offering some corrosion resistance. 6. Organic coatings: Steel coils can be coated with various organic materials, including epoxy, polyester, or polyurethane, to enhance their corrosion resistance and aesthetic appearance. These coatings provide a wide range of colors, textures, and finishes, making them suitable for diverse applications. It is important to consider the intended application, environmental conditions, and desired appearance when choosing a surface treatment for steel coils. Manufacturers and end-users must carefully evaluate these factors to select the most suitable surface treatment for their specific requirements.

Q: How are steel coils inspected for chemical composition using spectroscopy?: Steel coils can be inspected for their chemical composition using spectroscopy, specifically techniques like X-ray fluorescence (XRF) or laser-induced breakdown spectroscopy (LIBS). In XRF, an X-ray beam is directed onto the surface of the steel coil, causing the atoms in the sample to emit characteristic X-ray fluorescence radiation. By analyzing the energy and intensity of these emitted X-rays, the elemental composition of the steel can be determined. XRF is a non-destructive and rapid technique, allowing for quick and accurate assessment of the chemical composition of the steel coil. LIBS, on the other hand, involves focusing a laser beam onto the surface of the steel coil, creating a high-temperature plasma. The plasma emits light, which is then collected and analyzed using a spectrometer. The emitted light contains characteristic atomic and ionic emissions, allowing the identification and quantification of various elements present in the steel. LIBS is also a non-destructive technique, providing real-time results and requiring minimal sample preparation. Both XRF and LIBS offer advantages in terms of speed, non-destructiveness, and ease of use for inspecting steel coils for their chemical composition. These spectroscopic techniques play a crucial role in quality control and assurance, ensuring that the steel meets the required specifications and standards for various industrial applications.

Q: How are steel coils used in the construction industry?: Steel coils are commonly used in the construction industry for various purposes such as fabricating structural components, manufacturing steel pipes, and producing metal roofing and siding materials. The coils are unrolled and processed into different shapes and sizes to meet the specific requirements of construction projects.

Q: What are the different methods of joining steel coils?: There are several methods of joining steel coils, including welding, using mechanical fasteners, and adhesive bonding. Welding is a common technique that involves melting and fusing the edges of the coils together using heat. Mechanical fasteners, such as bolts or screws, can also be used to secure the coils together. Additionally, adhesive bonding involves using a strong adhesive to bond the coils together. Each method has its own advantages and considerations depending on the specific application and requirements.

Q: How are steel coils used in the manufacturing of pressure vessels?: Steel coils are used in the manufacturing of pressure vessels as they are processed into flat sheets and then formed into the desired shape. These coils provide strength and durability to the pressure vessel, ensuring it can withstand high pressures and temperatures.

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