…less often stainless) are intentionally resulphurized just for this reason. (refer http://www.ispatguru.com/free-cutting-steels/) Except in those cases where it is added for machinability, or where residual S content of around 0.040…
Read More…buildup within the microstructure during the process of cold rolling. This step is described in detail in separate article under link http://www.ispatguru.com/annealing-of-cold-rolled-steel/ Temper rolling or skin pass rolling of annealed…
Read More…deg C. The phase diagram of the Fe-Ni binary system is at Fig 1. Ni has a face centered cubic (f.c.c.) crystal structure. It is ferromagnetic up to 353 deg…
Read More…carbon black with binder materials such as petroleum pitch or coal tar, forming these mixtures by moulding or extrusion and conventionally baking these formed pieces in furnaces at temperature from…
Read More…possible. For these reasons pipe and tube are cold worked after extrusion or seam welding. Non destructive tests for pipe and tube Non-destructive tests (NDT) do not damage the pipe…
Read More…metallurgical wastes (collected dusts, sludge, and mill scale etc) in a rotating drum with 7 % to 8 % water with the objective the obtaining of a pre-agglomerated product (sinter…
Read More…structure of a quality circle is shown in Fig 2 which also the structure of the QC. The structure of the QC consists of several components namely (i) coordinating agency,…
Read More…reactive metal (in this case steel) will oxidize (rust) at the expense of the less reactive metal (mill scale). Because it is electro chemically cathodic to steel, any break in…
Read More…design of a modern BF is generally based on the concept of a free standing unit with a surrounding building structure, providing access to the furnace and support for the…
Read More…the charge material using the heat produced by electromagnetic field. The induction furnace consists basically of a crucible, inductor coil, and shell, cooling system and tilting mechanism. The crucible is…
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