Ferro Alloy Calcium Silicon Cored Wire

Pure calcium wire (metal calcium solid core coated wire) solid core pure calcium core wire was used in the treatment of molten steel by Foreign Steel Mills in the 1970s, and has been widely used in the world up to now, especially in the 1990s, with the rapid development of thin slab continuous casting technology, the advantage of solid calcium core wire has been recognized by most well-known Steel Mills. At present, the market share of solid calcium core wire has exceeded 70 in North America and 40 in Europe. In recent years, many steel mills in China have imported solid calcium core wire, and good economic and social benefits have been obtained. The weight of CA% calcium core wire g / M calcium core wire in standard calcium core wire: the weight of steel strip is 97.01.0≥67.0≥3:7, its technical standards and functions are as follows: solid core pure calcium cored wire design and functional requirements 1 using self-made 7.5-7.8 mm pure calcium wire as the core material of cored wire. 2 cold-rolled bright steel strip is used to cover pure calcium core wire, which is thicker than calcium iron core wire. The diameter of solid core pure calcium core wire is 1.9.5 ~ 0.5 mm. The 3-core wire has the advantages of uniform wire diameter, high tensile strength, good toughness and not easy to break, which is more favorable for accurate control of wire feeding. 4 can be applied to the steel grade treated by SI-CA cored wire and Ca-fe cored wire, and the yield of ca can be increased by more than 52% . Using existing wire-feeding equipment, deeper feeding depth of molten steel can be realized under lower wire-feeding speed, the wire-feeding quantity is easy to control accurately and the wire-feeding process is stable. The C6 core is compact and tightly wrapped, allowing it to be stored for longer periods of time and to be used effectively. Major advantages, the yield of calcium in low-carbon and low-silicon steel, represented by SPHC, is over 15% on average, and the use efficiency of calcium is about 52% higher than that of silicon-calcium cored wire. 2. Cost savings are significant. The feeding weight of ton steel solid core pure calcium cored wire is only about 38% of that of silicon-calcium cored wire. 3 is more conducive to the production of pure steel. Reduce and eliminate nozzle clogging of continuous casting steel. 5 reduced the intensity of work.

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