Wire rod, is a commonly used name in construction engineering construction, indicating the diameter of the steel bar is less than 10 mm. Because the steel bar below 10 mm is easy to bend, in order to reduce the length before transportation, the manufacturer will roll the very long steel bar into a circle of a circle, in the construction site of the steel bar referred to as wire rod.

Wire Rod Shape and Size
The steel wire rod is a finished product and is cold-formed for farther processing. Although it has a variety of shapes, it is mostly rolled round. Diameters often range from 5 to 15 millimeters, with most comply with the ISO standards, makes it easy for the sizes to advance in increments of 1 mm to 20 mm.
All steel wire rods are formed into the coils without any break. This is to ensure that steel wire rods are well-prepared for farther processing (usually by heat treating, coating, and cleaning). The coils' internal diameter often varies from 810 to 910 millimeters, and the external, from 1100 to 1300 millimeters (depends on the capability of mill's equipment). Subsequently, the weight of the coils differs from approximately 600 kg and larger above 2 tons.

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Wire Rod Properties and grades

According to the type of material, Steel wire rods are manufactured in different grades.

Carbon steel wire rod is the most common with no minimum content specified or required of molybdenum (Mo), aluminum (Al), chromium (Cr), niobium (Nb), cobalt (Co), nickel (Ni), tungsten (W), titanium (Ti), zirconium (Zr), vanadium (V), or any other element required for a particular effect of alloying. Carbon steel wire rods contain copper content, generally up to 0.40%. Moreover, the manganese content will not exceed the level of 1.65% and 0.60% will be the maximum level of silicon.

These steel wire rods are supplied in the following grades:

1. Low Carbon:

   • with C content ≤ 0.15 %. This is also known for "mild steel" or "electrode steel".

1. Medium Carbon:

   • Low grade; includes 0.15% < carbon content ≤ 0.23%
   • High grades; includes 0.23% < carbon content ≤ 0.44%.

1. High Carbon:

   • includes C content > 0.44 %.

Besides the grades, there are other features to be guaranteed for carbon steel wire rods while going through the various processes to be with no defects as well as have the right performance according to the destined application.

Wire Rod Features and Qualities

The most common features are:

• Drawing (forming) quality; also known as industrial quality.
• Mesh quality;
• Cold-heading quality; also known as cold extrusion or cold rolling quality
• Electrode quality;

Other qualities are:

• Chain,
• Tire Cord,
• Scrapless,
• Fine Wire,
• Lead,
• Music Spring,
• Concrete Reinforcement,
• Industrial and Standard,
• Thermal,
• Cold Finishing
• Welding

Usage of Wire Rods

There is a variety of applications for steel wire rod, such as:

• Aviation
• Engineering
• Reinforcing concrete structures

For example, in the manufacture of reinforcement cages; square, round, or rectangular-shaped assembly clamps are made from wire rod. With the help of reinforcing cages, monolithic columns, girders, belts, cross-tops, and lintel strip foundations are reinforced.

In addition to the use of wire rod in reinforcing cages, it is also used in the manufacture of welded reinforcing mesh for monolithic structures, such as concrete floors and screeds.

Steel rods are also used when laying bearing walls or walls of brick, cinder, foam, or gas block. Depending on the concrete used for masonry, steel wire is put into each 2^nd-4^th layer of mortar, thereby enhancing the overall strength of the masonry. Thus, the rod performs the role of reinforcing the structure.

Apart from that, wire rod is used in the production of electrodes and wires for welding, as well as the manufacture of telegraph wires, ropes, and cables. For such applications, aluminum and copper rod fits best. Most often, such wire is used in power supply systems. In order for rod not to affect the operation of these systems, it must be plastic and well deformable. These characteristics play a key role when choosing the right diameter of the rod.

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Shandong Zhongtuo New Material Group Co., Ltd. has a large inventory and complete material specifications. In case of special specifications and materials, we can also order production in time. Since its establishment, the company has always adhered to the business policy of "survive by quality, develop by credit". Welcome new and old customers to inquire.

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Shandong Zhongtuo New Material Group Co., Ltd. is a large steel enterprise group with an annual steel export volume exceeding 15 million tons. Located in Shandong Province, with convenient transportation and air transportation, it is adjacent to Tianjin Port to the north, Qingdao Port to the east, and Shanghai Port to the south. The main products include stainless steel plates/coils/pipes, carbon steel plates/coils/pipes, and galvanized steel coils. There are also sets of structural steel and accessories such as galvanized sheet, tinplate, round steel, threaded steel, roof panel, spring steel strip, PPGI, PPGL, etc.