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The difference between round steel, bar, wire and wire rod
Rounds: Rods with a cross section diameter greater than 8mm
Rounds: Rods with a cross section diameter greater than 8mm
Bar: Straight bars of steel with a cross-section shape of round, hexagonal, square or other special shapes. In stainless steel, most of the general bars refer to round steel
Wire rods: A circular rod with a disk-like cross-section and a diameter of 5.5~30mm. If you just say Wire, it refers to steel wire, which is a steel product after being reprocessed by the wire rod
Rod: The finished product rolled into a disk after hot rolling, including round, square, rectangular, hexagonal, etc. Since most of them are round, the generally said wire rod refers to the circular wire rod.
The product types of construction steel are generally divided into rebar, round steel, wire, disc screw and other categories.
1, Steel rebar
The general length of rebar is 9m, 12m, 9m long thread is mainly used for road construction, 12m long thread is mainly used for bridge construction. The specification range of thread is generally 6-50mm, and the country allows deviation. Rebar according to the strength of HRB335, HRB400, HRB500 three models.
2. Round steel
As the name suggests, round steel is a round section of solid long steel, divided into hot rolled, forged and cold drawn three kinds. There are many round steel materials, such as: 10#, 20#, 45#, Q215-235, 42CrMo, 40CrNiMo, GCr15, 3Cr2W8V, 20CrMnTi, 5CrMnMo, 304, 316, 20Cr, 40Cr, 20CrMo, 35CrMo and so on.
The specification of hot-rolled round steel is 5.5-250 mm, 5.5-25 mm is small round steel, supply in straight strips, used as steel bars, bolts and various mechanical parts; Round steel larger than 25 mm, mainly used for the manufacture of mechanical parts or seamless steel blanks.
3. Wire rod
Common types of wire are divided into Q195, Q215, Q235 three kinds, but the construction steel wire rod only Q215, Q235 two kinds, generally used specifications are 6.5mm diameter, 8.0mm diameter, 10mm diameter, at present China's largest wire rod can reach a diameter of 30mm. In addition to being used as reinforcement for building reinforced concrete, wire can also be used for wire drawing, mesh wire.
4. Rebar coil
Rebar coiled is a rebar that is coiled together like wire rod, is a kind of construction steel. Rebar is widely used in a variety of building structures, and the advantages of the rebar coil compared with the rebar are: the rebar is only 9-12, and the rebar coil can be intercepted at will according to the use needs.
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