Coated steel coil with zinc hot dipped SGCC

Coated steel coil with zinc hot dipped SGCC

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 35000 m.t./month

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Technology test results:

Processability	Yield strength	Tensile strength	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30	d=0,intact,no zinc removal
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

Coated steel coil with zinc hot dipped SGCC

FAQ:

Q: How do you guarantee the quality of your product?

A: Every process will be checked by responsible QC which insures every product's quality.

Q: How much is your delivery time?

A: Normally within 30 days of receipt of LC original or prepayment, but mostly according to the specific requirements or the quantity

Q: I need sample, could you support?

A: We can supply you with the sample for free, but the delivery charges will be covered by our customers. For avoiding the misunderstanding, it is appreciated if you can provide the International Express Account for Freight Collect. Also you can have a visit to us, welcome to CNBM!

Q: What are the different types of steel coil surface coatings?: There are several different types of steel coil surface coatings, including galvanized steel coatings, aluminized steel coatings, and organic coatings.

Q: why do you need to heat steel when hardening, molecules etc etc: Halps is off base a little. The reason heat is involved in hardening of steels depends, a little bit, on how you are doing the hardening. If you are hardening by work hardening, you do not have to heat it at all. If you are barbarizing (case hardening), the temperature is raised to increase the diffusion rate of carbon into the steel, higher C content - higher hardness. If you are Thur hardening, you have to heat the steel to the austenitizing temperature (so the structure transforms to FCC crystals with higher solubility for C) and then quench it (cool it rapidly enough to freeze the C atoms in the martensite crystal structure). If you slow cool, the steel could end up softer than it started. All of these processes involve atomic level things. If you want to understand them on the atomic level, you need to study physical metallurgy of steels. It is a subject onto itself and is really quite fascinating if you are interested.

Q: How are steel coils used in the manufacturing of automotive body panels?: Steel coils are used in the manufacturing of automotive body panels because they provide a strong and durable material that can be easily shaped and formed into the desired panel shapes. The coils are unwound and fed into a stamping press where they are cut, shaped, and molded into the specific body panel design. This process ensures that the panels have the necessary strength and structural integrity required for automotive applications.

Q: How are steel coils inspected for hardness?: Various methods are used to inspect the hardness of steel coils, ensuring their quality and suitability for specific applications. The Rockwell hardness test is a common method, involving the use of a diamond or ball indenter pressed into the coil's surface to measure indentation depth. The hardness value is then determined based on this measurement. Another method is the Brinell hardness test, which uses a hardened steel or tungsten carbide ball indenter to create an indentation on the coil's surface. The diameter of the indentation is measured, and the hardness value is calculated using a formula that considers the applied load and indentation diameter. On the other hand, the Vickers hardness test utilizes a pyramidal diamond indenter to create an indentation on the coil's surface. The lengths of the indentation diagonals are measured, and the hardness value is calculated using a formula that takes into account the applied load and diagonal lengths. In addition to these traditional methods, modern technology has introduced non-destructive testing techniques such as ultrasonic testing and eddy current testing. Ultrasonic testing involves transmitting ultrasonic waves through the coil and measuring the time it takes for the waves to return. Changes in the wave pattern can indicate variations in hardness. Eddy current testing, on the other hand, uses electromagnetic induction to detect changes in electrical conductivity, which can be correlated to hardness variations in the steel coil. Overall, steel coils undergo thorough inspection using a combination of traditional and advanced techniques to ensure their hardness meets the required specifications. These inspections are vital in maintaining the quality and dependability of steel products in various industries.

Q: What are the different methods of perforating steel coils?: There are several methods of perforating steel coils, including rotary punch, laser cutting, and stamping. Each method offers its own advantages and is chosen based on factors such as the desired hole size, material thickness, and production volume. Rotary punch involves using a rotating tool to create holes in the steel coil, while laser cutting uses a high-powered laser beam. Stamping, on the other hand, involves using a die and press to create holes by applying pressure to the steel coil.

Q: can anyone tell me the way to bring back the shine to the stainless steel kitchen sink . It has become dull.: A stainless steel kitchen sink is durable, easy to keep clean and disinfect, and will only grow more beautiful with age - if you take proper care of it. Clean the sink with soapy water, or a stainless steel cleaner (Spray N Sheen Stainless Steel Cleaner/Polish/Protectant) once or twice a week. Once or twice a month, fill the sink half full with a 50/50 solution of bleach and water or a special stainless steel cleaner (Stainless Steel Cleaner). Let it soak for about 15 minutes, then wash the sides and bottom and let it drain. Remember to wipe dry when done.

Q: What are the dimensions of steel coils used in the household appliance industry?: The dimensions of steel coils used in the household appliance industry can vary depending on the specific application and requirements. However, standard dimensions for steel coils commonly used in this industry range from 0.4mm to 3mm in thickness and 600mm to 1500mm in width. The length of the coils can also vary, typically ranging from a few hundred meters to several kilometers. These dimensions ensure that the steel coils are suitable for various household appliance manufacturing processes, such as forming, stamping, and welding. It is important to note that these dimensions are not fixed and can be customized based on the specific needs of the appliance manufacturer.

Q: Have spent two days making a specialized knife out of 304 stainless steel, after throwing into a log it bent slightly arghhhh. Is it worth continuing to finish it off or start all over again with different kind of steel if so which kind should i use.: Sorry okorder /... I hope that link works but as you can see you dont want to use 303.304.316,410,416,430 You can get away with 301 but would be best to use 440. It kind of sounds like your a home shop guy. It would be best for you to make a knife out of a1 or d2 tool steel. with these steels you can torch heat them to a red hot heat where a magnet will not stick to them. Then let them cool slowly in the air. After that you can temper in a oven around 400f. This will a very hard long lasting knife. Check OKorder for good steel prices. A1 and D2 are not stainless but they are the best for a home shop. If you go stainless you can buy preharden material but you will have to grind everything. You can also pay someone to harden your knife but dont plan on it being cheap.

Q: How are steel coils used in the manufacturing of heat shields?: Steel coils are used in the manufacturing of heat shields by being formed and shaped into the desired size and shape, providing a strong and durable base. The coils are then typically coated with heat-resistant materials and layered to create an effective barrier against heat transfer, making them essential components in the production of heat shields.

Q: What are the common coil storage conditions?: The common coil storage conditions include storing coils in a dry and clean area, away from direct sunlight and extreme temperature variations, and ensuring proper ventilation to prevent moisture buildup. It is also important to stack the coils properly, avoiding any damage or deformations, and to label and organize them for easy identification and retrieval.

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