S355jr Q345 Steel Coil - Steel Coil – Ruigang

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"Control the standard by the details, show the power by quality". Our organization has strived to establish a highly efficient and stable employees team and explored an effective high-quality command method for Rebar Deformed Steel Bar, 0.6 Mm Thick Stainless Steel Sheet And Plate, Hot Rolled Steel Plate Pickled, All products are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. Welcome customers new and old to contact us for business cooperation.
S355jr Q345 Steel Coil - Steel Coil – Ruigang Detail:

Product Specifications

Thickness: 0.2-20mm

Width: 600-3000mm

Formed coils are mainly hot-rolled coils and cold-rolled coils. Hot rolled coil is the processed product before the recrystallization of the steel billet. Cold rolled coil is the subsequent processing of hot rolled coil. The general weight of the steel coil is about 15-30T.

Product Classification

● Hotrolled, that is, hot-rolled coil, which is a slab (mainly for.

● Casting billet) as raw material, after heating, it is made into strip steel by rough rolling unit and finishing rolling unit.

● The hot strip from the last rolling mill of finishing rolling is cooled by laminar flow to the set point.

● The coil is rolled into a steel strip coil by a coiler, and the cooled steel strip coil can be used according to the different needs of users.

● After different finishing lines (leveling, straightening, cross-cutting or slitting, inspection.

● Weighing, packaging and marking, etc.) are processed into steel plates, flat coils and slit steel strip products.

production process

The production process of hot-dip galvanized sheet mainly includes: Original plate preparation → Pre-plating treatment → Hot dip plating → Post-plating treatment → Finished product inspection, etc. According to custom, often according to the pre-plating treatment method of.

The galvanized coil is composed of an aluminum-zinc alloy structure, which is composed of 55% aluminum, 43% zinc and 2% silicon solidified at a high temperature of 600 ° C. The entire structure is composed of aluminum-iron-silicon-zinc, forming a dense A kind of quaternary knot body.

Product Details

Material: Q235B, Q345B, SPHC510LQ345AQ345E

Cold rolled coil (Coldrolled), commonly used in the steel industry, is different from hot rolled coil.

It refers to directly rolled into a certain thickness with a roll at room temperature and rolled into a whole roll with a winder

steel belt. Compared with hot-rolled coils, cold-rolled coils have a brighter surface and higher finish, but will

More internal stress is generated, and annealing treatment is often carried out after cold rolling.

Category: SPCC, SPCD, SPCE

Galvanized steel coils (Galvanized steel coils), galvanized refers to the metal, alloy or the surface of other materials is plated with a layer of zinc to play the role of beautiful, rust-proof and other surface treatment technology. Now the main method is hot-dip galvanizing.


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No matter new customer or previous client, We believe in prolonged time period and trustworthy relationship for S355jr Q345 Steel Coil - Steel Coil – Ruigang, The product will supply to all over the world, such as: Paris, Germany, Guyana, We follow up the career and aspiration of our elder generation, and we're eager to open up a new prospect in this field, We insist on "Integrity, Profession, Win-win Cooperation", because we have now a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.
  • This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Princess from Uzbekistan - 2018.06.28 19:27
    The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Cornelia from Moldova - 2017.04.18 16:45

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