cold rolled steel coil with competetive price

cold rolled steel coil with competetive price

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m.t.

Supply Capability:: 10000 m.t./month

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Quick Details

Standard: ASTM, DIN, GB
Steel Grade: Q235B
Place of Origin: Hebei, China (Mainland)
Technique: Hot Rolled
Surface Treatment: Polished
Technique: Cold Rolled
Surface Treatment: Coated

Packaging & Delivery

Packaging Details:	in bundle
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.

Q:Does the solution change, or does only the steel wool change color?: once you upload water to anhydrous copper(II) sulphate it turns blue because of the fact that's going to become hydrous copper(II) sulphate. Then, in case you upload water greater, that's going to proceed to be blue, could be slightly darker.

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:I have a knife with 154cm steel on it and I always here that you should put oil on it to keep it from rusting but I am just wondering what kind of oil? And how do I apply it and do I just leave it on there?: I don't know that steel, or what kind of knife it is, but unless it is a kitchen knife use the same thing you would use on a gun. Use an oil that dries, like Eezox, or use paste wax, or BreakFree, or Corrosion X.

Q:How are steel coils used in the production of steel connectors?: Steel coils are used in the production of steel connectors as they serve as the primary raw material. The coils are unrolled and then processed through various manufacturing techniques, such as cutting, stamping, and bending, to shape them into the desired connector forms. These connectors are crucial components used to join different steel structures together, ensuring strength, stability, and structural integrity in various applications like construction, automotive, and engineering industries.

Q:How are steel coils used in the production of steel chains?: Steel coils are used in the production of steel chains by being unwound and fed through a series of machines that shape, cut, and weld the steel into individual chain links. The steel coils provide a continuous and efficient source of raw material for the production process, ensuring consistent quality and strength in the final steel chains.

Q:What are the common methods of recoiling steel coils?: Manufacturers and customers have various options when it comes to recoiling steel coils. One frequently used method is slitting, which employs rotating circular blades to cut a wide steel coil into narrower strips. This results in multiple smaller coils with desired widths. Slitting is commonly employed to create coils of different sizes for diverse applications. Another technique is known as cut-to-length (CTL) recoiling, where the steel coil is cut into specific lengths according to the customer's requirements. This involves passing the coil through a straightening and leveling machine, followed by a flying shear that cuts the steel into the desired lengths. CTL recoiling is particularly useful in industries that demand precise and uniform steel lengths, such as construction or automotive. Furthermore, there is a method called coil-to-coil recoiling. This process involves rewinding the steel coil onto a new coil with the desired dimensions and properties. Coil-to-coil recoiling is typically utilized when the original coil needs resizing, reconditioning, or rerolling for further processing or transportation purposes. Specialized recoiling machines ensure proper tension, alignment, and winding of the steel coil onto the new coil. In conclusion, the recoiling of steel coils can be accomplished through various methods, including slitting, cut-to-length recoiling, and coil-to-coil recoiling. Each method offers its own advantages and is chosen based on factors such as required coil dimensions, precision, efficiency, and the specific needs of the industry or customer.

Q:What website can I use to find a good picture that shows the atomic structure of a carbon steel?: Carbon steel is a polycrystalline substance containing several compounds. Most of it is iron, but there are crystals of austenite and martensite present, plus other iron carbides. Each of these has a different atomic structure. The properties of the steel depend not so much on the atomic structures of the compounds, but more on the size and abundance of the crystals. The function of these crystals is to impede the movements of dislocations through the iron.

Q:If I wear a pair of thick wool socks, is walking around in the snow with steel-toed boots going to be a problem? I'm wondering if the steel will make my toes too cold.: Yes, steel-toe boots are cold, thick wool socks or not. Suggest using Cofra orange colored pull-on knee boots. Non-steel toe cap resistant to 200 joule (one and a half tons of crush protection), penetration resistance, cold insulation to minus 20, ankle protection, heat resistant outer sole 300 degrees for one minute, energy absorption of seat region, slip resistance, the biggest traction cletes I've ever seen and they look like big boots seen the acid trip pretending to be film titled: Yellow Submarine. Available: www fra.it

Q:Is there much difference? Which is better? Are they equally safe? Is it just personal preference? Can you reccomend a good comfortable steel composite toe boot?: steel toe boots are just that a piece of steel fitted over the toes, composite toe boots use other materials that are just as hard BUT they do not have the connectivity levels as steel. if you are working in a cold climate steel toes will freeze them toes right off, also electrical environments. my advice get a good pair of composite ones, and you get what you pay for, its worth the investment. more than you could ever imagine. proper foot support. helps legs cramps, back pain etc...

Q:Can steel coils be used in the production of electrical components?: Yes, steel coils can be used in the production of electrical components. Steel is a commonly used material in the manufacturing of electrical components like transformers, motors, and generators. Steel coils are often used as a core material in transformers due to their magnetic properties and ability to conduct electricity.

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