[HINDI] CAST IRON ~ GRAY CAST IRON, WHITE CAST IRON, MALLEABLE , DUCTILE, CHILLED & ALLOY CAST IRON. HD

Like us on fb : search for MECHANICAL GURU in facebook Hello dosto mera name h Ankit Ras aur le k aaya hu appk lia Mechanical Guru ka ek aur latest episode aur ajj hum baat karenge ; contents : Cast iron Ferrous metals Pig iron Gray cast iron White cast iron Malleable cast iron Black heart method & white heart method Ductile cast iron Chilled cast iron Alloy cast iron Carbon form present in each cast iron All in detail in hindi with examples Mujhe ummed h appko Mechanical Guru ka yeh episode pasand aaya hoga aur pasand aaye toh mere channel ko like , share aur subscribe jarrur karren kyuki m appk lia roj aisehi acchi videos le k aata rehta hu. Jai javan , jai kissan