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IIM METAL NEWS ISSN 0972-0480 Monthly Vol.22 No.11 NOVEMBER 2019 Metallurgy Materials Engineering The Indian Institute of Metals IIM METAL NEWS Vol. 22 No. 11 November 2019 Page No. C Obituary 3 TECHNICAL ARTICLE The Problem of Measurement, Proof and Error 4 O - Hem Shanker Ray TECHNICAL ARTICLE Benefits Accruing from Hot Slab Charging at Plate Mill of Bhilai Steel Plant 11 N - P.K.Thakur,P.K.Singh,Abhijit Das, R.P.Singh, KundanPrakash, Anand Ganvir Recent Developments 14 T News Update 16 E IIM Chapter Activities 20 Seminars & Conferences 22 N National Metallurgists’ Day Awards 2019 24 T IIM Honours & Awards 2019 25 Steel Statistics 30 S Events Calendar 2019-20 32 The IIM Metal News and The Indian Institute of Metals do not accept any responsibility for the statements made and the opinion expressed by the author(s) in the technical articles Printed and Published by Shri Kushal Saha, Secretary General, on behalf of "The Indian Institute of Metals", and printed at PRINTMAX, 44 Biplabi Pulin Das Street, Kolkata - 700 009 • Email : [email protected] and published at 'Metal House', Plot 13/4, Block AQ, Sector V, Salt Lake, Kolkata - 700 091, West Bengal, India E-mail : [email protected], [email protected], Phone : 033 2367 9768 / 2367 5004 Website : www.iim-india.net • Fax : (033) 2367 5335 Editor: Dr. Santanu Ray Vol.22 No.11 NOVEMBER 2019 IIM METAL NEWS THE INDIAN INSTITUTE OF METALS PATRONS Mr R M Dastur Mr Sajjan Jindal Dr Baba Kalyani Mr Satish Pai ADVISORY COMMITTEE OF FORMER PRESIDENTS Mr R N Parbat Dr Dipankar Banerjee Prof K Chattopadhyay Mr L Pugazhenthy Mr M Narayana Rao Dr R N Patra Dr Sanak Mishra Mr H M Nerurkar Mr S S Mohanty Dr U Kamachi Mudali, Convenor COUNCIL FOR THE YEAR 2019-20 PRESIDENT Dr U Kamachi Mudali VICE PRESIDENT & CHAIRMAN VICE PRESIDENT & CHAIRMAN VICE PRESIDENT & CHAIRMAN Non-Ferrous Division Ferrous Division Metal Science Division Prof Amol A Gokhale Mr T V Narendran Dr Samir V Kamat IMMEDIATE FORMER PRESIDENT Mr Anand Sen SECRETARY GENERAL Mr Kushal Saha HON TREASURER CONTROLLER OF EXAMINATION CHIEF EDITOR, TRANSACTIONS MANAGING EDITOR, IIM METAL NEWS Mr Somnath Guha Prof P K Mitra Prof B S Murty Dr Santanu Ray Jt. SECRETARY (Office of President) Mr Niraj Kumar MEMBERS Mr Raghavendra Adiga Prof Sushil K Mishra Dr Daniel Sagayaraj T A Dr R Balamuralikrishnan Prof N K Mukhopadhyay Mr B Saha Dr Suddhasatwa Basu Dr P Ramesh Narayanan Dr Arjit Saha Podder Mr Anirban Dasgupta Prof Jagannath Nayak Prof S Raman Sankaranarayanan Dr D De Sarkar Dr Vinod K Nowal Mr D K Saraogi Mr Debashis Deb Dr Sarmishtha Palit Sagar Mr Babu Sathian Mr K K Ghosh Prof Prita Pant Dr J D Sharma Mr B M Hasan Dr P Parameswaran Mr Sanjay Sharma Mr S K Jha Mr Sudhanshu Pathak Mr Kaushal Sinha Dr Sunil D Kahar Mr Abhijit Pati Mr Lokendra Raj Singh Dr Vivekanand Kain Dr Pradip Prof Sudhanshu Shekhar Singh Prof M Kamaraj Mr Amarendu Prakash Mr Sushil Kumar Singh Dr J Krishnamoorthi Dr N Eswara Prasad Dr Piyush Singhal Prof Rampada Manna Dr Divakar Ramachandran Dr A Srinivasan Mr K L Mehrotra Mr Pradosh Kumar Rath Dr Dinesh Srivastava Mr Bibhu Prasad Mishra Mr Gajraj Singh Rathore Prof Satyam Suwas Mr Manasa Prasad Mishra Mr Barun Roy Dr P V Venkitakrishnan FORMER PRESIDENTS 1946-48 Late J J Ghandy 1977-78 Late V A Altekar 1992-93 Late A C Wadhawan 2007-08 Dr Srikumar Banerjee 1948-50 Late P Ginwala 1978-79 Late T R Anantharaman 1993-94 Dr R Krishnan 2008-09 Mr L Pugazhenthy 1950-52 Late Phiroz Kutar 1979-80 Late P L Agrawal 1994-95 Dr S K Gupta 2009-10 Dr Sanak Mishra 1952-54 Late G C Mitter 1980-81 Late EG Ramachandran 1995-96 Mr R N Parbat 2010-11 Dr D Banerjee 1954-56 Late M S Thacker 1981-82 Late C V Sundaram 1996-97 Late P Rodriguez 2011-12 Mr M Narayana Rao 1956-58 Late K S Krishnan 1982-83 Late Samarpungavan 1997-98 Late S Das Gupta 2012-13 Mr H M Nerurkar 1958-60 Late S K Nanavati 1983-84 Late J Marwaha 1998-99 Dr C G K Nair 2013-14 Prof K Chattopadhyay 1960-62 Late G K Ogale 1984-85 Late A K Seal 1999-00 Prof S Ranganathan 2014-15 Dr R N Patra 1962-65 Late Dara. P. Antia 1985-86 Dr J J Irani 2000-01 Mr V Gujral 2015-16 Mr S S Mohanty 1965-67 Late B R Nijhawan 1986-87 Late Y M Mehta 2001-02 Late P Parvathisem 2016-17 Prof Indranil Manna 1967-70 Late M N Dastur 1987-88 Dr V S Arunachalam 2002-03 Late P Ramachandra Rao 2017-18 Dr Biswajit Basu 1970-72 Late Brahm Prakash 1988-89 Mr S R Jain 2003-04 Dr S K Bhattacharyya 2018-19 Mr Anand Sen 1972-74 Late P Anant 1989-90 Late L R Vaidyanath 2004-05 Dr T K Mukherjee 1974-76 Late FAA Jasdanwalla 1990-91 Dr P Rama Rao 2005-06 Late Baldev Raj 1976-77 Late S Visvanathan 1991-92 Dr T Mukherjee 2006-07 Mr B Muthuraman FORMER SECRETARIES/SECRETARY GENERALS* 1946-57 Late Dara. P. Antia 1968-76 Dr M N Parthasarathi 1986-97 Late S S Das Gupta 2006-13 *Mr J C Marwah 1958-67 Mr R D Lalkaka 1977-86 Late L R Vaidyanath 1997-06 Mr J C Marwah 2013-15 *Mr Bhaskar Roy 2015-18 *Mr Sadhan Kumar Roy IIM METAL NEWS 2 Vol.22 No.11 NOVEMBER 2019 OBITUARY Late P. Parvathisem (14th Aug 1941 – 9th Sep 2019) P. Parvathisem was born on 14th August, 1941 in Nedunuru of Andhra Pradesh. He did his graduation in Chemical Engineering in 1960 from Andhra University and post-graduation in Chemical Engineering (M. Tech) in 1961 from IIT Kharagpur. After a brief stint of 5 years ( 1962 - 66 ) with Sarabhai Merce Ltd., India’s first vitamin ‘C’ Plant, he joined Hindustan Zinc Ltd. on 12th January, 1967 as Senior Chemical Engineer. He held several positions in Hindustan Zinc Ltd., which included Plant Manager to Group General Manager (Smelters) in various departments. During this tenure, he headed Central Research and Development (CRDL) in two separate stints, once as Chief (R&D) and again as GM (R&D). This laboratory has been engaged in Research and Development in the areas of Geology, Beneficiation and Extraction of Non-Ferrous Metals like Zinc, Lead, Copper, Cadmium, Silver, Cobalt, Nickel and Lithium. His contributions in development and expansion activities while working as Director (Smelting Operations) with Hindustan Zinc Ltd. are well known. He held the august position of Chairman cum Managing Director, Hindustan Copper Ltd. and steered the organisation through its difficult period. Subsequently, he headed the prestigious National Aluminium Company as its Chairman cum Managing Director. He was also the Chairman of the Research Council of National Metallurgical Laboratory, Jamshedpur. He visited several foreign countries like Italy, France, USA, Canada, Japan, Russia, UK, Portugal and Iran, and presented his contribution in different forums. He published many papers in reputed Journals. He was closely associated with the development of Non-Ferrous Metals in India, and was considered an authority in this area. He held important assignments in various technical and project fields. Besides being a member of the Technology Advisory Group on Non-Ferrous Metals constituted by DGTD, he also headed the Core Group on Zinc, Lead and associated Metals. He was also a Member of the Task Force on Non-Ferrous Metals constituted by Central Pollution Board. He was a member of the Indian Institute of Chemical Engineers and National Council Member of Indian Institute of Metals for many years. He took over as President of Indian Institute of Metals during 2001-02. “Non- Ferrous Digest” a half-yearly publication brought out by this Division has been well received by the Metallurgy Community. He was awarded Hindustan Zinc Gold Medal in 1996 by the Indian Institute of Metals for his significant contribution to Non-Ferrous Metals Industry. Vol.22 No.11 NOVEMBER 2019 Vol.22 No.11 NOVEMBER 2019 3 IIM METAL NEWS TECHNICAL ARTICLE The Problem of Measurement, Proof and Error Hem Shanker Ray* Abstract also we prove something, respectively the amount of A proof is a demonstration of fact. However, sometimes mass and the degree of heat. When we report a weight we it may not be exact because of inherent errors which actually imply a mass in relation to some standard masses. introduce uncertainties. Proof is the bedrock of the In the beam balance there is a null measurement. In a disciplines of science and law. It is ambiguous in religion spring balance there is a scale calibrated using standard and politics where facts are routinely twisted. In medical weights. practice the proof of a disease is said to be in the tests and Errors arise when the measuring device or standard diagnosis. Yet errors in these and in follow up treatment weights are not calibrated properly. Temperature can make difference of life and death. There are many measurement by thermocouple or optical pyrometer other areas with problems of proof and error. also is based on calibration. If calibrated equipment is not available then error can be minimised by employing In this article issues related to some areas of science have different sets of measuring devices. If values obtained are been highlighted, based primarily on the author’s own close then we may conclude that there is some accuracy, research areas and knowledge.