HN70JU rod, wire
Wire, rod, bar of HN70JU grade is products of bar sections. They are made of heat-resisting alloy, which smelts in open electrical furnaces. A composition of finished goods complies with GOST 5632−72 and TC 12 766.4−77. In alloy composition there are nickel (65,073 — 71,2%), iron (<1%), chrome (26-29%). Aluminium (2,8-3,5%), mangan (0,3%), phosphorus (<0,015%), silicon (1%), carbon, barium (>0,1%), sulphur (0,012%) should be added to charge mixture in the capacity of masteralloys.
|5632−72||26 — 29||65.1−71.2||≤1||2.8- 3.5||≤ 0.3||≤1||≤0.015||≤0.1||≤0.1||≤0.03||≤0,012||≤0.07|
Rod is a metallic bar that has a circular cross section and length of 2−6 m. There can be tree types of manufacturing accuracy: high, increased, and standard. Wire, rod, bar can be made of single, random or multiple to single length. Recommended temperature of thermohardening in air or in water is not higher than 1200 °C. At the beginning, jumping up temperature of steel constitutes 1150 — 1180 °C. In the end it constitutes 850 °C. This alloy is easy to weld with any type of welding. Electrodes of grade OZL-35, OZL-25 are used for hand electric-arc welding.
Wire, rod of this grade are used in manufacture of traveling oven grids, slot furnace details for quick firing of ceramic tiles and other ceramics. Details made of this alloy relatively work in harmful conditions and aggressive environment for a long time at a temperature of 1250−1300°C. They possess a high resistance to loads at high temperatures. Furthermore, mill-products in the forms of bars are used for manufacturing angles, beams, channel beams, special-purpose air-foils, vehicle details, spindles, liners, shafts etc. of moving components. Wire is used for fasteners and welding electrodes.
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