cold rolled steel sheet with competetive price

cold rolled steel sheet with competetive price

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 500 m.t.

Supply Capability:: 10000 m.t./month

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Quick Details

Standard: ASTM, DIN, GB, JIS
Grade: SPCC
Place of Origin: Hebei, China (Mainland)
Type: Steel Coil
Technique: Cold Rolled
Surface Treatment: Other
Application: Other
Technique: Cold Rolled
Surface Treatment: Coated

Packaging & Delivery

Packaging Details:	mill standard
Delivery Detail:	25 days after receiving the deposit

Specifications

Hot rolled sheet in coil: Specification 2.0mm-15.5mm;
Material: Q235, SS400, SPHC, 16Mn, 16MnR, 20G, 65Mn.

.Sales of the steel products
1. Steel pipes
(1) Seamless steel pipe: material 20#, 45#, 16Mn; Specification dia:57mm-dia:630mm.
(2) High-frequency welded pipe: material Q235A/B; Specification dia:15mm-dia:159mm.
(3) Galvanized pipe: material Q235A/B; Specification dia:15mm-dia:80mm.
(4) Stainless steel pipe: material 304, 316, 321, 430; Specification dia:15mm-dia:159mm.
(5) Cast iron pipe: material is spherulitic graphite cast iron, 18#, 22# pig iron.
2. Steel plate
(1) Cold rolled sheet in coil, cold rolled sheet in box: Specification 0.4mm-3.0mm; Material: ST12, SS400, SPHC.
(2) Hot rolled sheet in coil: Specification 2.0mm-15.5mm;
Material: Q235, SS400, SPHC, 16Mn, 16MnR, 20G, 65Mn.
(3) Medium plate: Specification 8.0mm-100mm; Material Q235, 65Mn, 16MnL.
(4) Galvanized sheet: Specification 0.4mm-3.0mm
(5) Stainless steel sheet: Specification 0.3mm-2.0mm; Material 304, 316, 321, 430.
3. Steel section
(1) Angle bar (equal angle and unequal angle)
Specification: 25*25*3, 30*30*3/4, 40*40*4, 50*50*5, 63*63*6, 100*63*10, 125*80*12, 200*125*18.
(2) I-beam: 12mm-560mm
(3) Channel bar: 8mm-450mm
(4) H-beam: various
(5) Steel billet: 120, 150, 200, 300, 400.
(6) Light rail, heavy rail, crane rail: Various specifications and material
4. Steel wire
(1) Wire rod: Specification dia:6.5, 8, 10mm; Material Q235, Q195, 65Mn, H08A.
(2) Deformed steel bar: Specificationdia:16-dia:32; Material 20MnSi.
(3) Round bar: Specification dia:12-dia:300mm; Material Q235, 45#, 16Mn, 40Cr, 35CrMo

Q: Are steel sheets available in different hardness levels?: Different hardness levels are available for steel sheets. Factors such as steel composition, heat treatment, and additional processing or alloying determine the hardness of a steel sheet. Steel sheets can vary from being very soft and easily shaped to being extremely hard and long-lasting. The Rockwell scale is commonly used to measure the indentation hardness of steel sheets. By providing various hardness levels, steel sheets can fulfill diverse application needs, including forming, bending, and high-wear applications that demand exceptional resistance to abrasion.

Q: How are steel sheets protected during welding?: Steel sheets are protected during welding through a process called shielding. Shielding is essential to prevent the steel sheets from being exposed to oxygen and other atmospheric contaminants that can cause oxidation and impurities in the weld. There are various methods used to shield the steel sheets during welding. One common method is to use a shielding gas, such as argon or carbon dioxide, which is directed at the welding area to create a protective atmosphere. This gas displaces the surrounding oxygen, preventing it from reacting with the heated metal and causing oxidation. In addition to shielding gas, another method commonly employed is the use of flux. Flux is a substance that is applied to the joint area of the steel sheets prior to welding. It acts as a protective barrier, creating a molten slag that covers the weld and shields it from the atmosphere. Flux can be in the form of a powder, paste, or even a wire that is fed continuously during welding. Furthermore, some welding techniques, such as submerged arc welding, utilize a combination of both shielding gas and flux to provide optimal protection to the steel sheets. This technique involves the use of a granular flux that is fed continuously along with the welding wire. The flux melts and forms a protective layer over the weld, while the shielding gas prevents atmospheric contamination. Overall, the protection of steel sheets during welding is vital to ensure the quality and integrity of the weld. Shielding methods, such as shielding gas and flux, create a protective environment that prevents oxidation, impurities, and other defects from forming in the weld, resulting in a strong and durable joint between the steel sheets.

Q: What are the different sheet metal rolling techniques for steel sheets?: There are several sheet metal rolling techniques that are commonly used for steel sheets. These techniques include hot rolling, cold rolling, and roll forming. Hot rolling is a process in which steel sheets are heated above their recrystallization temperature and then passed through a series of rollers to reduce their thickness. This technique is commonly used to produce steel sheets with a consistent and uniform thickness. The hot rolling process also improves the mechanical properties of the steel, making it stronger and more ductile. Cold rolling, on the other hand, is a technique in which steel sheets are passed through rollers at room temperature. This process is used to produce thinner and smoother steel sheets with a higher degree of dimensional accuracy. Cold-rolled steel sheets are often used in applications that require a high-quality surface finish, such as automotive body panels and appliances. Roll forming is a continuous bending process in which a long strip of steel is passed through a series of rollers to gradually shape it into a desired profile. This technique is commonly used to produce steel sheets with complex shapes and profiles, such as corrugated roofing sheets or C-channel beams. Roll forming offers excellent precision and repeatability, making it a popular choice for producing large quantities of steel sheets with consistent dimensions. Overall, the choice of sheet metal rolling technique depends on the specific requirements of the application. Hot rolling is ideal for producing steel sheets with a uniform thickness and improved mechanical properties. Cold rolling is preferred for applications that require a high-quality surface finish and dimensional accuracy. Roll forming is suitable for creating steel sheets with complex shapes and profiles.

Q: What is the process of applying anti-fingerprint coatings to steel sheets?: The process of applying anti-fingerprint coatings to steel sheets typically involves several steps. Firstly, the steel sheets are thoroughly cleaned and degreased to ensure a smooth surface. This is typically done using solvents or alkaline cleaners. Next, the sheets are rinsed and dried to remove any remaining residue. Once clean, a primer or adhesion promoter may be applied to enhance the bonding between the steel and the anti-fingerprint coating. The anti-fingerprint coating is then applied onto the steel sheets using various methods such as spraying, dipping, or roll coating. The coating material is usually a combination of polymers, resins, and additives that provide the desired anti-fingerprint properties. After the coating is applied, the steel sheets are cured or dried, depending on the specific coating technology. This step ensures that the coating adheres properly to the surface and develops its anti-fingerprint characteristics. Lastly, the coated steel sheets may undergo quality checks and inspections to ensure that the coating thickness, appearance, and performance meet the desired standards. This can involve visual inspections, adhesion tests, and fingerprint resistance evaluations. Overall, the process of applying anti-fingerprint coatings to steel sheets involves cleaning, priming, coating, curing, and quality control measures to achieve a durable and effective anti-fingerprint surface on the steel.

Q: How are steel sheets tested for quality?: Steel sheets are tested for quality through various methods, including visual inspection, measurement of dimensions, evaluation of surface defects, assessment of mechanical properties, and chemical composition analysis.

Q: Do steel sheets have any magnetic properties?: Yes, steel sheets do have magnetic properties. Steel is an alloy composed primarily of iron, carbon, and other elements, and it is known to be ferromagnetic. This means that it can be magnetized and attracts magnets. However, the degree of magnetism in steel can vary depending on its composition and processing. Some steel alloys can be easily magnetized and retain their magnetism even after the applied magnetic field is removed, while others may have lower magnetic properties. The presence of impurities and the specific heat treatment process can also affect the magnetic properties of steel. Overall, steel sheets can exhibit magnetic properties, but the degree of magnetism may vary depending on the specific type and composition of the steel.

Q: Can steel sheets be used for storage cabinets?: Yes, steel sheets can be used for storage cabinets. Steel is a durable and strong material that is commonly used in storage cabinets due to its ability to withstand heavy loads and resist corrosion. Additionally, steel sheets can be easily molded and welded to create different sizes and shapes of cabinets, making them a versatile choice for storage solutions.

Q: Are steel sheets available in different colors?: Yes, steel sheets are available in different colors. They can be coated or painted with various hues to meet specific aesthetic requirements.

Q: Are steel sheets suitable for data center infrastructure?: Indeed, data center infrastructure can rely on steel sheets. The utilization of steel sheets in the establishment of data centers is prevalent because of their exceptional robustness, longevity, and resistance to fire. Furthermore, they furnish essential support for the infrastructure, encompassing server racks, cabinets, and raised flooring systems. Not only do steel sheets safeguard data center equipment against potential dangers such as electromagnetic interference (EMI) and physical harm, but they can also be conveniently tailored and adapted to suit the precise demands of a data center. This adaptability renders them a favored option for constructing data center infrastructure.