7X19 Stainless Steel Wire Rope
The anti-corrosion ability of 316 Stainless Steel Wire Rope is stronger than that of 306 stainless steel wire rope, and the anti-corrosion ability of 306 is stronger than that of hot-dip galvanized steel wire rope. The quality of hot-dip galvanized steel wire rope is better than that of electro-galvanized steel wire rope; the quality of nylon plastic-Coated Steel Wire Rope is stronger than that of PE plastic-coated steel wire rope.
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Several intermediate frequency furnaces commonly found in the metallurgical industry
The intermediate frequency furnace is essentially a power supply system that transforms standard 50Hz alternating current into an intermediate frequency range of 300Hz to 1000Hz. It first converts three-phase alternating current into direct current, and then reconverts this direct current into an adjustable intermediate frequency current, supplying energy to the capacitor. As the alternating current passes through the induction coil, it generates intense magnetic fields around the coil, inducing significant eddy currents within any metallic material inside the coil. This electromagnetic induction directly heats the workpiece itself, making it highly efficient.
Even novice operators can begin performing forging tasks using the medium frequency electric furnace within just ten minutes of starting their shift. Professional workers don’t have to preheat or seal the furnace, which saves both time and effort. Due to its rapid heating capabilities, the oxidation loss is minimal—only about 0.5%. In contrast, traditional gas furnaces see oxidation losses of up to 2%, while coal furnaces can reach 3%. For every ton of forgings produced, compared to a coal-burning furnace, the intermediate frequency furnace can save between 20 to 50 kilograms of raw steel. Its fast heating speeds, high productivity, and reduced oxidation and decarburization contribute to longer mold lifespans and better working conditions for employees. The absence of pollution, lower energy consumption, and faster melting times make it an environmentally friendly choice. Additionally, the self-mixing feature ensures uniform melting temperatures and metal compositions, while the furnace's startup capability is unmatched—both empty and loaded, it achieves 100% startup efficiency.
In the metallurgical industry, the term "induction furnace" often refers to furnaces designed to heat metals to forging temperatures, including continuous and chamber heating furnaces. Heat treatment furnaces are also categorized under this umbrella. A furnace used to preheat ingots prior to initial rolling or to ensure uniform internal temperatures is known as a soaking furnace. More broadly, these terms encompass soaking furnaces and heat treatment furnaces. As smelting technology advanced, the term "intermediate frequency melting furnace" became synonymous with "intermediate frequency furnace."
Continuous heating furnaces come in various forms, such as push-type, step-type, rotary-bottom, and split-type furnaces. However, the push-type furnace remains the most common. These furnaces are primarily used to heat metal billets before rolling, though some are employed for forging or heat treatment. Key characteristics include the continuous movement of billets through the furnace in sync with rolling schedules, with furnace gases also flowing continuously. Despite variations in material type, size, and output, the temperature distribution across the furnace typically differs along its cross-section. Over time, the temperature of the metal inside the furnace remains relatively stable along its length, ensuring consistent heating throughout the process.
This advanced technology not only improves operational efficiency but also reduces environmental impact, making it a preferred choice for modern industries.