HSLAS Type A Hot-Dip Galvanized Steel Coil CNBM

HSLAS Type A Hot-Dip Galvanized Steel Coil CNBM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 m.t./month

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Quick Details

Type: Steel Coil
Surface Treatment: Galvanized
Application: Commercial steel
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:

Grade	Tensile Test
Grade	Yield Strength MPa	Tensile Strength MPa	Elongation A80mm % ≥
SGLCC	140-350	270-500	22
SGLCD	140-300	270-420	26
SGLCDD	140-260	270-380	30

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.

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.

HSLAS Type A Hot-Dip Galvanized Steel Coil CNBM

Q: How do steel coils contribute to acoustic performance in buildings?: Steel coils can contribute to acoustic performance in buildings by providing sound insulation and reducing noise transmission. When installed as part of a building's structure, steel coils can help absorb and dampen sound vibrations, preventing them from traveling through walls and floors. This can result in a quieter and more comfortable indoor environment, minimizing disruptions and enhancing overall acoustic quality within the building.

Q: What are the main factors that affect the corrosion resistance of steel coils?: The main factors that affect the corrosion resistance of steel coils include the composition and purity of the steel, the presence of alloying elements, the surface condition and finish of the coils, the exposure to moisture and corrosive substances, and the protective coatings or treatments applied to the steel.

Q: I work in a steel foundry 10-12 hours a day where we melt and pour stainless steel tubes. The pour temperature for some of them is very close to the boiling point of stainless steel (about 3800 degrees) because it has to be VERY liquid for the application we use it. Anyway, it does boil a little and we breath in the vapours which I can assure you ARE indeed vapourized stainless steel (it collects and cools on everything and makes a nice shiny coating). Ok, so to the question, does breathing vapourized stainless steel all day pose a health risk such as cancer? Anyone know? I'm just curious.: you okorder

Q: How are steel coils used in the manufacturing of building materials?: Steel coils are used in the manufacturing of building materials as they provide a strong and durable base for various products. These coils are typically unrolled and shaped into different forms, such as sheets or beams, which are then used to create structures like roofing, siding, and framing. The flexibility and strength of steel make it an ideal material for construction purposes, ensuring buildings are sturdy and long-lasting.

Q: I need help! Please help, I'm in Chemistry, and me and my friend Lucy are making a presentation on steel and iron, so how is steel manufactured? Thank you. :D: The steel consists of ( Iron ) and another matter... but the popular one is iron+carbon / iron+silver - When iron is smelted from its ore by commercial processes, it contains more carbon than is desirable. To become steel, it must be melted and reprocessed to reduce the carbon to the correct amount, at which point other elements can be added. This liquid is then continuously cast into long slabs or cast into ingots. Approximately 96% of steel is continuously cast, while only 4% is produced as cast steel ingots. The ingots are then heated in a soaking pit and hot rolled into slabs, blooms, or billets. Slabs are hot or cold rolled into sheet metal or plates. Billets are hot or cold rolled into bars, rods, and wire. Blooms are hot or cold rolled into structural steel, such as I-beams and rails. In modern foundries these processes often occur in one assembly line, with ore coming in and finished steel coming out. Sometimes after a steel's final rolling it is heat treated for strength, however this is relatively rare.

Q: What are the different methods of testing the mechanical properties of steel coils?: Testing the mechanical properties of steel coils can be done through various methods, which play a critical role in determining the steel's strength, ductility, and overall quality. Some commonly employed techniques include the following: 1. Tensile testing: This method involves applying a force to a steel coil until it breaks. It measures the maximum stress the material can endure before fracturing, as well as its elongation and reduction in cross-sectional area. Tensile testing provides valuable information about the coil's ultimate tensile strength, yield strength, and elongation. 2. Hardness testing: This test determines a material's resistance to indentation or scratching. Multiple methods, such as Brinell, Vickers, and Rockwell hardness tests, can be employed to measure the hardness of steel coils. These tests offer insights into the steel's ability to resist deformation and wear. 3. Bend testing: Bend testing involves subjecting a steel coil to controlled bending until it reaches a specific angle or a crack appears. This test evaluates the coil's ductility, flexibility, and its resistance to cracking or fracturing under bending stress. 4. Impact testing: Impact testing gauges a steel coil's capacity to absorb energy when exposed to sudden shocks or impacts. The Charpy impact test is the most commonly used method, wherein a notched specimen is struck by a pendulum hammer, and the energy absorbed during fracture is measured. This test assesses the coil's toughness and resistance to brittle fracture. 5. Fatigue testing: Fatigue testing entails subjecting a steel coil to repeated or cyclic loading to simulate the stresses it may experience during its intended use. This test evaluates the coil's ability to withstand repeated stress over an extended period and its resistance to fatigue failure. 6. Ultrasonic testing: Ultrasonic testing utilizes high-frequency sound waves to detect defects or flaws within the steel coil. This non-destructive testing method can identify internal or surface defects like cracks, voids, or inclusions that may impact the steel's mechanical properties. It is worth noting that these testing methods typically adhere to industry standards and specifications, such as those set by ASTM (American Society for Testing and Materials) or ISO (International Organization for Standardization). This ensures the accuracy and reliability of the results obtained.

Q: What is the process of pickling and oiling steel coils?: To ensure the quality and protection of steel coils, a series of steps are undertaken in the process of pickling and oiling. The first step involves pickling, wherein impurities and scale are removed from the surface of the steel coil. This is achieved by immersing the coil in an acid bath, such as hydrochloric acid or sulfuric acid, which effectively dissolves any oxides, rust, or contaminants present on the surface. This step is critical as it readies the steel for further processing and safeguards against potential defects or corrosion. Following pickling, the steel coils are rinsed with water to eliminate any residual acid and then dried. Once they are clean and dry, a layer of oil is applied to provide temporary corrosion protection and lubrication during subsequent handling and transport. The oil coating acts as a barrier, preventing rusting or oxidation before the steel undergoes further processing or is utilized in various applications. The oiling process can be executed through various methods. One common approach is to apply the oil using a roller or brush, ensuring an even coating across the entire surface of the coil. Alternatively, the coils can be passed through a bath or spray chamber where the oil is administered. The choice of oil depends on the specific requirements of the steel and its intended use, with options ranging from mineral oil and synthetic oils to specialized rust-preventive coatings. Once the oiling process is complete, the steel coils are typically stacked, wrapped, or packaged for storage or transportation. It is crucial to handle the coils with care to avoid damaging the oil coating and compromising the corrosion protection it provides. Overall, the pickling and oiling of steel coils are indispensable steps in the steel manufacturing process. They ensure the quality, cleanliness, and protection of the steel, thereby prolonging its lifespan and enhancing its performance in various applications.

Q: How are steel coils used in the production of automotive exhaust systems?: Steel coils are typically used in the production of automotive exhaust systems as they provide the necessary material for manufacturing exhaust pipes and components. The coils are often processed and shaped into the desired forms, such as tubes or mufflers, and then welded or fastened together to create the exhaust system. Steel coils are favored due to their durability, heat resistance, and ability to withstand the harsh conditions of exhaust gases, ensuring the longevity and efficiency of the automotive exhaust system.

Q: is cold roll or hot roll mill roller is cast steel? or cast iron?: another name is Grey iron, come from groups of ferrous alloys

Q: I was wondering because i just watched an episode of build it bigger on the discovery channel about the uss George bush, and when they were discribing it they said it was 500 tons of steel and 47,000 tons of aluminum. this kinda struck me as odd because i thought that it was mostly made of steel. and i would think that even if it was mostly aluminum, that the hull would be steel. and i think the hull would weigh more than 500 tons.: Steel with an aluminum structure above the flight deck. (old shipyard worker)

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