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Seamless steel tube heat treatment temperature requirements

Seamless steel pipe heat kneading skills is the primary international production skills thermal processing was seamless. 

Along with skills to carry out some type of hot-rolled steel units are able to produce stainless steel pipe, but kneading unit is seamless international primary production unit. The billet is fed into the heating furnace, the temperature is about. Fuel is hydrogen or acetylene. Furnace temperature control is critical in doubt after the round tube furnace to be worn by a pressure puncher empty. Usually more common punch is tapered roller punching machine, punching machine which produces high efficiency, good quality products, perforated expanding capacity, can be worn a variety of steel. Furnace temperature control is critical in doubt after the round tube furnace to be worn by a pressure puncher empty. In the high-strength metal-owned guessed episodes of low stress brittle fracture process, the data set is far from homogeneous, isotropic. Arrangements have cracks, there will be inclusions, porosity and other drawbacks that are able to look into resources guess microcracks. Water vapor occurs through softening and deep deoxy disposal, the oxygen content is low, and therefore should be composed of seamless steel pipe corrosion oxidation and steam oxidation under low oxygen pressure environment, and to steam oxidation-based, end simple resulting in over-temperature representation. Element is constantly seeking to add the number of pins and miniaturization and demand from the more dense component and therefore the new programming occurs, like ball grid array, a flip chip multi-chip modules and other skills that is the outcome of this trend. In addition, many people in the use of clean and low residue free solder paste in order to reduce costs, the higher the temperature of the heat treatment, the resistance to stress corrosion can progress more obvious. In submerged arc welding, the weld can occur within a thermal cracking, especially in the arc and arc crater at the onset of crack simple. To eliminate this crack, usually in the arc and at the plate fitted and welded at the ends of the coil can be welded into the spiral welded pipe and stitch welding. Thermal cracking in the corresponding division, perhaps the easiest division weld metal occurs.
Conditioning is the double heat treatment of quenching and high temperature tempering, the purpose is to make the seamless steel pipe has good comprehensive mechanical properties. Quenched and tempered steel with carbon quenched and tempered steel and alloy quenched and tempered steel two kinds big, either carbon steel or alloy steel, carbon content control more strictly.If carbon content is too high, the strength of the workpiece after tempering is high, but the toughness is not enough, such as the carbon content is too lowBusiness Management Articles, toughness and strength is insufficient.

Article Tags: Seamless Steel, Heat Treatment, Steel Pipe, Tempered Steel, Carbon Content

Source: Free Articles from ArticlesFactory.com

ABOUT THE AUTHOR


Hunan Great Steel Pipe Co.,Ltd, is specialized in steel products manufacturing, steel products stocking and real estate developing including SMLS,ERW,SSAW,LSAW steel pipe and carbon steel pipe.



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