Steel welded mesh mesh refers to the vertical rows of longitudinal and transverse reinforcement bars at a certain spacing, which are connected together by resistance welding at all intersections on the special welding equipment in the factory.
rows and all intersections are connected together by resistance welding. It is widely used in high speed railway, highway, airport runway,
highway, highway, airport runway, wharf, warehouse and municipal road, etc. Welded steel wire mesh application technology from the “Ninth Five-Year Plan” one of the ten key promotion projects, a
Until now, it is still one of the ten new technologies in the construction industry promoted by the Ministry of Housing and Construction, which is “reinforcing steel and concrete technology”.
Advantages:
Replacing the traditional “manual tying” in the infrastructure industry, replacing manual labor, especially in the face of the accelerated process of aging society;
Improves construction efficiency and saves materials. Comprehensive calculation, can improve the efficiency of rebar installation about 40-80%;
Rebar welding mesh and steel processing business is a sunrise industry, in line with the national industrial policy guidance. At present, the proportion of factory processing in China is less than 20%, while that of developed countries is less than 20%.
The proportion of factory processing in China is less than 20%, while that of developed countries is higher than 90%.
Resistance welding:
With low voltage, high current and very short contact time (<0.5 seconds), this welding method has no effect on the properties of steel.
Commonly used specifications and materials:
Pitch: 100mm, 150mm, 200mm, 250mm (multiples of 50mm)
Size: length ≤ 12.5m, width ≤ 2.5m (transportation restrictions)
Execution standard: GB/T1499.3-2010
Material: CRB550 (cold rolled ribbed steel bar)
HRB400 (tertiary steel)
HPB300 (high wire)
Diameter:
5～12mm
6～12mm
6～12mm

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