Traits: It is softer than ordinary black iron wire, more flexible, uniform in softness and consistent in color. Uses: mainly used in construction, mining, chemical industry, welded mesh, welded hanger, reprocessing, etc. After annealing, the iron wire becomes softer and the flexibility is increased.
Process: Roll the hot metal billet into a 6.5mm thick steel bar, that is, wire rod, and then put it into a wire drawing device to draw a wire of different diameter, and gradually reduce the hole diameter of the wire drawing disk, cooling, annealing, coating And other processing technology to make various kinds of iron wire. It contains ingredients: iron, cobalt, nickel, copper, carbon, zinc, and other elements.
The wire number is mainly 5#-38# (wire warp 0.17-4.5mm)
Traits: It is softer than ordinary black iron wire, more flexible, uniform in softness and consistent in color.
Uses: mainly used in construction, mining, chemical industry, welded mesh, welded hanger, reprocessing, etc. After annealing, the iron wire becomes softer and the flexibility is increased.
At present, the production of annealed wire and steel wire generally adopts the drawing process and galvanizing treatment. In 1976, the galvanized iron wire factory in Guangzhou first applied the new technologies of electrolytic pickling, high-pressure washing, and electric drying in China to successfully test the continuous production of the wire drawing line, which changed the wire drawing process from intermittent production to continuous production, reducing labor intensity. Reduced metal consumption. At that time, domestic wire factories were able to produce steel wire rope, spoke wire, umbrella wire, spring wire, bicycle saddle spring wire and other products. In the 1980s, hot-dipped low-carbon steel wire for stapling, fan mesh wire, carbon structure steel wire, bed surface steel wire, etc. also came out one after another.
Packaging: The packaging of the black iron wire is the same as that of the galvanized wire. It is divided into outer plastic hemp, inner plastic outer knitting, and the wire is wrapped with a thin layer of plastic first, and then wrapped with hemp bag or woven bag. !
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