Alloy steel is a type of steel alloyed with several elements such as molybdenum, manganese, nickel, chromium, vanadium, silicon, and boron. These alloying elements are added to increase strength, hardness, wear resistance, and toughness.
The Black Stone was originally a single piece of rock but today consists of several pieces that have been cemented together. They are surrounded by a silver frame which is fastened by silver nails to the Kaaba's outer wall.
Citrine is a transparent variety of quartz that ranges from golden yellow to yellowish orange to golden brown in color. It is usually cut as a faceted stone and is sometimes produced by heat treating amethyst.
Carbon steels are a series of alloys of carbon and iron containing up to about 1% carbon and up to 1.65% Mn, with elements added in specific quantities for deoxidization and residual quantities of other elements.
Pipe Fittings are Piping component that helps in Changes the direction of the flow such as elbows, tees. Changes the size of the pipe such as reducers, reducing tees. Connect different components such as couplings and stop the flows such as Caps. There are different types of pipe fitting used in piping.