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Cryogenic hardening is a cryogenic treatment process where the material is cooled to approximately −185 °C (−301 °F), typically using liquid nitrogen. It can have a profound effect on the mechanical properties of certain steels , provided their composition and prior heat treatment are such that they retain some austenite at room temperature.
Saigol, anticipating the division and independence of British India, moved his assets to Lahore in the early 1940s. After the independence of Pakistan in 1947, with the help of his younger brothers Yousuf and Bashir, he set up their first textile spinning mill in Lyallpur (now called Faisalabad ) in 1949. [ 3 ]
The cryogenic treatment process was invented by Ed Busch (CryoTech) in Detroit, Michigan in 1966, inspired by NASA research, which later merged with 300 Below, Inc. in 2000 to become the world's largest and oldest commercial cryogenic processing company after Peter Paulin of Decatur, IL collaborated with process control engineers to invent the world's first computer-controlled "dry" cryogenic ...
Ghani Group of companies was founded in 1959 by Aitzaz Ghani as a trading company. It has operations in two countries Pakistan and UAE. [5] The major Ghani Group of Companies are Ghani Mines, Ghani Halal Feed Mill, Ghani Glass, Ghani Dairies, and Ghani Automobile Industries. [6] [7] In 1963, Ghani Mines (Pvt) Ltd was established.
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Descon (Urdu pronunciation: [ˈdɛs.kɔn] DES-kon) is a group of companies headquartered in Lahore. It operates in the engineering, power and chemical sectors. [1] Descon is active in UAE, Qatar, Saudi Arabia, Kuwait, Oman, Iraq, and South Africa. [2]
The Pakistan Steel Mills Corporation, [2] [3] colloquially referred to as Pak Steel, is a Pakistani state-owned company that produces long-rolled steel and heavy metal products in the country. [ 4 ] Headquartered in Karachi , Sindh , the PSMC is currently the largest industrial mega-corporation in Pakistan, having a production capacity of 1.1 ...
Nitrogen is a liquid under −195.8 °C (77.3 K).. In physics, cryogenics is the production and behaviour of materials at very low temperatures.. The 13th International Institute of Refrigeration's (IIR) International Congress of Refrigeration (held in Washington DC in 1971) endorsed a universal definition of "cryogenics" and "cryogenic" by accepting a threshold of 120 K (−153 °C) to ...