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Types and construction of wire rope strand and cable; U.S. Navy Technical Manual for Wire and Fiber Rope; Modern history of wire rope; Handbook of Oceanographic Winch, Wire and Cable Technology Archived 2013-10-23 at the Wayback Machine; US Federal Specification RR-W-410 for Wire Rope and Strand
Aluminum conductor steel-reinforced cable (ACSR) is a type of high-capacity, high-strength stranded conductor typically used in overhead power lines. The outer strands are high-purity aluminium , chosen for its good conductivity, low weight, low cost, resistance to corrosion and decent mechanical stress resistance.
It is known as SWA BS 5467 Cable and it has a voltage rating of 600/1000 V. [7] SWA cable can be referred to more generally as mains cable, armoured cable, power cable and booklet armoured cable. The name power cable, however, applies to a wide range of cables including 6381Y, NYCY, NYY-J and 6491X Cable.
Common cable trays are made of galvanized steel, stainless steel, aluminum, or glass-fiber reinforced plastic. The material for a given application is chosen based on where it will be used. [6] Galvanized tray may be made of pre-galvanized steel sheet fabricated into tray, or may be hot-dip galvanized after fabrication.
No. 1 is 0.30 in. (300 thou), and the smallest, No. 50, is 0.001 in. (1 thou or 25.4 µm). The system as a whole approximates an exponential curve, plotting diameter against gauge-number (each size is a approximately a constant multiple of the previous size). The weight per unit length diminishes by an average of approximately 20% at each step.
The galvanising bath contains slightly over 0.1% aluminium, added to form a layer bonding between the iron and coated zinc. [ 2 ] [ 3 ] Annealing temperatures are around 500 to 565 °C. [ 2 ] Pre-1990 annealing lines used gas-fired heating; post-1990s the use of induction furnaces became common.
Early manual corrugated iron roller. On display at Kapunda museum, South Australia Contemporary use of corrugated galvanised iron in architecture (Australia). Henry Robinson Palmer, architect and engineer to the London Dock Company, was granted a patent in 1829 for "indented or corrugated metallic sheets". [1]
These were an experimental railway line of Siemens in Berlin-Lichtenberg in 1898 (length 1.8 kilometres (1.1 mi)), the military railway between Marienfelde and Zossen between 1901 and 1904 (length 23.4 kilometres (14.5 mi)) and an 800-metre (2,600 ft)-long section of a coal railway near Cologne between 1940 and 1949.