1.Brief introduction about technical center

The Technological Center of Maanshan Iron & Steel Company Limited (hereinafter referred to as Masteel Technological Center or MTC) is an integrate technological management and development body, which integrates such activities as scientific and technical management, new product development, brainstorming of technological breakthrough, and inspection and testing of production.

Masteel Technological Center is an enterprise-based technological center of national level, approved by authorities like the Chinese Economy and Trade Ministry in November of year 2001.

Maanshan Iron & Steel Company Limited established a workstation of scientific and technological research for postdoctorates and a base of scientific and technological research and training for ongoing postgraduates in the center in year 2003 and year 2005, respectively. The center covers an area of 78,000 M2, with fixed assets of RMB 82 million Yuan and 604 pieces or sets of equipment and instruments of various types.

MTC undertakes such tasks as research and development of new processes and products, novel technologies and materials, and testing of metallurgical products for Masteel, is also responsible for the formulation and implementation of planning with respect to mid-term and long-term progress of science and technology, technical innovation and creation, and development of technologies, and takes charge of the administration of in-house standards, patents and achievements for Masteel at the same time.

MTC consists of 8 sections or offices, five research institutes and a base of pilot test. The sections or offices are administrative office, politics section, technological development section, intellectual property section, inspection section, condition section , office of corporate scientific and technological association and trade union. The five institutes are research institute of process technology, which is engaged in researches of raw material, iron and steel making processes and related technologies; research institute of product development, which focuses on development of iron and steel products, rolling processes and technologies; research institute of comprehensive utilization, which is specialized in the research and development of shaping material and unshaped refractory materials, the comprehensive utilization of resources; research institute of scientific and technological information, which centers on analysis and research of technological information, edition and issuance of scientific & technological publications and technical exchange; research institute of inspection and testing technologies (labs of physics, chemistry, maintenance and repair of large-scale instruments, machining workshop), which provides service of analysis and testing of metallurgical products, composition and property of raw materials.

MTC currently employs 901 workers and staff, and enjoys a strong technical force. It has 260 of professionals with 26 varieties of disciplines, among which, there are more than 10 experts and professor level senior engineers entitled allowance awarded by the Chinese Central Government or Provincial Government, 105 senior engineers and 93 engineers, and also more than 40 graduates holding doctor degrees and master degrees. MTC has gradually imported a series of testing equipment and instruments of internationally advanced level, including Type GLEEBLE-2000 hot simulation tester, IBAS graphical analysis system, MTS material testing machine, XL30+ DX 4i SEM, Axiovert 200 MAT mot inverse metallographical microscope, Amsler RKP 450 oscillography impact tester, PE-5100 atomic absorption spectrometer, Type CS-600 and CS-820v determination apparatus, RH-404 impulse thermal conductance H2 determination apparatus, EMGA-620W oxygen and nitrogen analyzer, ICP emission spectrograph, PW2440 Magix Pro X fluorescence spectrometer, etc. In year 2004, Masteel will devote a large amount of investment to establish a base of pilot test plants in MTC, including blast furnace coal injection lab, multi-purpose lab of steel rolling, digital simulation lab of metallurgy, surface treatment lab, multi-functional lab of pyrology, and so on.

MTC actively promoted various forms of cooperation among enterprises of production, universities and research institutes since year 2002, and successively signed cooperation agreements with 6 universities or research institutes. MTC endeavors to utilize social resources to drive the creation and innovation of technologies in enterprises. It has recently undertaken 11 items of national scientific and technological research or technical creation, two projects of National 863 Program, and obtained a batch of achievements of high level and proprietary intellectual property, which are owned by Masteel. Among which, 69 items of accredited patents, 6 items of patents have been applied for examination and approval and is to be granted. MTC has obtained 26 prizes for scientific and technological achievements above the provincial level, developed more than 50 new types of products, and produced 1.5 million tonnes products of more than 120 new specification. Many products are the domestically initial creation, and over 30% of new products are designed for exportation or as substitutes of imported counterparts. MTC, early or later, developed high grade quick-speed train wheel (series of wheels with speed of 140-160，200，270 kilometers, especially used for high speed railway of passengers and cargoes), special high quality H steel(H steel applied in offshore petroleum exploring platform of internationally advanced level, railway rolling stock and bridges, trading H steel in accordance with BS,AS and JIS and imported to America, Europe and Southeast Asia markets), fastener steel, series of quality hard wire, bonding wire, mine application steel, and the like, among which, most of products fill up the void in domestic production and reached up to the international advanced level.

In July of year 2002, the research institute of inspection and testing technologies of MTC passed the examination and appraisal by the National Authentication Committee of Chinese Laboratory. The authenticated range of technological ability covers 217 items, and the involved practitioners are up to 398. The results of inspection and testing presented by this institute can be recognized by 46 countries and districts all over the world, and the data of testing provided by it enjoys mutual acknowledgement, fairness and authority within the international organizations concerned. Anhui Provincial No.1 Quality Supervision and Testing Station for iron and steel materials, which is operated and administrated by MTC, is a provincial level quality supervision and testing body set up by Anhui Provincial Supervision Bureau of Technical Quality. The main tasks of the station include implementing varieties of quality supervision and testing works arranged by Anhui Provincial Supervision Bureau of Technical Quality, cooperation with departments in charge of the technical supervision, industrial and commercial administration in the activities of market supervision and spot-check.

MTC has contributed a great deal to the business operation and development of Masteel in the field of metallurgical technologies. It will insist on continuous improvement, creation, strengthening profitability. MTC will, relying on offering highly efficient and excellent services and adherence to seeking truth and practice, spare no efforts to carry out extensive communication and cooperation with all circles so as to create the beautiful tomorrow of metallurgical industry .

2.main scientific organizaion

（ 1 ） postdoctoral work station of Maanshan Iron & Steel company (shortened form is Masteel postdoctoral work station) was ratified by the postdoctal management committee of National Ministry of personnel

Masteel HR department and technical Center are responsible for management of Masteel postdoctoral scientific and reserch work station. The station was set at the Masteel technical center. Masteel HR department are responsible for the contact the upper management department , organizing and introducing the postdoctoral personnel. Signing the related agreements, solve the daily living problem. The Masteel technical center are responsible for providing and managing the resarch programme and offering the related studying and examination contidtion and fee, and make the adminstration of pesonnel .

The main task of Masteel postdoctoral scitific and research work station is to introduce the high rank scientif research personnel , and make research and development (R &D) job on the Masteel's project with a better marketing foreground during the manfacture, operation and development

On April 2003, Masteel postdoctoral scitific and research work station signed a work agreement with Postdoctoral scitific and research work station of Beijing Iron & Steel reaserch head institute after negotiation. And they established “Postdoctoral work station of Beijing Iron & Steel reaserch head institute Maanshan Iron & Steel company limited sub station”

On October 2003 , after the ratifing of the national postdoctoral management committee, the first group of postdoctor accessed the work station working , and they undertook the two important scientific and reserch topic( one of them is project of the national 863 Hi-Tech plan.

On septmber 2004 , Masteel postdoctoral scitific and research work station established a cooperation relationship with Nanjing science and techology university . Two postdoctor began their R&D work at Masteel postdoctoral scitific and research work station one after the other .

Masteel postdoctoral scitific and research work station provide good condition of work and resarch experiment and fairly superior living guarantee to the doctor who accessed to the station . these favor included work laborary , information resource , scientific and resarch fee, living house , and job arrangment for the doctor's spouse and the children' enrollment to the school and kindergarten

（ 2 ） Masteel present- learning postgraduates scientific and research training base (station )

According to the requirement of the talent training of Masteel company and in order to ensuring the quality of talents training , ratifed by the Masteel company, Masteel present -learning postgraduates scientific and research training base (station ) was established on May 2004. it was managed by Masteel HR department and Masteel technical center , the working place was set at Masteel technical center.

The main task of Masteel present -learning postgraduates scientific and research training base (station ) is to base on technical resource of technical center such as test method and information plateform togother with better scientific and research working environment to practise centralized administration with the present learning postgraduates who received the Masteel consigning training at the subject of steel metallurgy and material science during the phrase of their subject studying and thesis composing . Masteel present -learning postgraduates scientific and research training base (station ) provide the necessay working condition and reserch fee and trace the research programme and check and examine it .

The aim of Masteel present -learning postgraduates scientific and research training base (station ) is to train high qulityly the high rank scitific and research devolop talents , promoto the ability of technical creation and self development.

3.Introduction on new product

（ 1 ） Air erosion resistent type 09CuPTiRe-B H beam for railway vehicle

Air erosion resistent type 09CuPTiRe-B H beam for railway has the strength grade of 345Mpa , and the plastic property reaches － 40 ℃ and meet the manufacture requirements of impact toughness of railway vehicle at low temperature. Comparing with common Q235 , it has a relatively low erosion rate less than 65% of nomal value.

The product has applied on plate vehicle with 25 tons shafte weight which was devoloped by Beijing two seven railway vehicles manufaturing plant . It can also be applied on other structure and architecture which has requirement of air erosion resistent . The type of H beam has the property of high accurate size, fine surface quality , excellent force property , and good air erosion resistent property and we can supply in batches.

（ 2 ） BS55C H beam

In order to meet the requirement of export , Masteel developed high strength 55C H beam for building basement piling in accordance with British standard . The strength yield of this product is 450MPa ， its tensile strength is 550Mpa. We can guaranteethat the impact power is not less than 27J at 0 ℃ . And its carbon equivalent is not bigger than 0.45 ％ . This product passed the certification of Hongkong arhitectural service department, Hongkong Authority and housing department . Till the end of Septeber 2004 , Masteel had exported to Hongkong market 100 thousand tonnes of this type of H beam as accumulating totals , and received preference from dealers and owners.

This figure shows the piling at site of hong kong scitific zoo using the 55C H beam

（ 3 ） H beam steel used for sea petroleum platform

Masteel make full use of the advantage of H beam production line meet the demand of high quality H beam steel for manufactureing sea petroleum platform of country . We organize tackleing the technical problem , and successfully deleloped the H beam dedicating for sea petroleum platform.

Our product quality can reach or surplus the requirement of steel standard RP2A Ⅱ of American Petroleum Institute (AFI) and we receive high appraise from the platform manufacture industry and Shop classification organization like DNV and BV.Out product has used on the a lot of Plateform such as suizhong 36-1, qinghuangdao 32-6, wencang 13 － 1/2, Penglai 19-3 , Oriental 1-1 , Weizhou 12-1 . Qikou 18-2 etc . The total supplying weight sum up to 30 thousand tonnes. we made a good economical and social profit by realizing local manufature the H beam steel used for sea petroleum platform .

（ 4 ） Wheel product

GKD Wheel is used in high speed passenger train with speed grade 270Km/h. These high speed wheels are first batch high speed train wheel for state railway . Every item of technical parameter can reach the requirement of Euope high speed train wheel technical condition. And successfully passed the high speed train test organized by national Minstry of railway .

KDQ Wheel is used in high speed passenger train with speed grade 200Km/h, At present this kind of wheel has been put into business operation widely on inferior high speed train (running speed 160-200Km/h). It shows much safe and durable and realizing local manufature of high grade train wheel .

KKD train wheel is most widely used in various type of domestic passenger train under the speed grade 160Km/h. The application condition is diverse. Masteel has provide 100 thousand tonnes of KKD train wheel to railroad department and ensure railway speed increasing plan undertook smoothly .

（ 5 ） MGFR490B fire resisting H beam

With the evolution of building, The building made of the steel structre increase rapidly . the common mild structure steel for constructing use such as Q235, Q345 the strength drop sharply when the temperature reach 500 ℃～ 600 ℃ , and the yield strength drops below the 2/3 of the room temperature, and it is lower than the yield strength which the structure of the architecture required . Once the fire disaster happened , and common architecture steel without the anti fire coating layer act as the building proper bearing the weight , the building itself would be collapsed promptly . there fore there are an intense the market demand for the high strength archetacture steel at high temperature---- fire resisting steel. Masteel has advanced equipment and production technology of H beam steel. Collaborating with Beijing Iron&Steel research head institue Masteel applied the theory of macro alloy developing the fire resisting H beam for the first time in the country .

a 、 the property of MGFR490B fire resisting H beam

（ 1 ） MGFR490B fire resisting H beam offset the weakness of common steel . and upgrade the intensity of steel during high temperature . while using this kind of steel , it make refractory coating layer thin , the non regractory coating layer structure become possible according to requirement of anti fire of the steel structure parts .

（ 2 ） For the reason of thinner coating , Using the MGFR490B fire resisting H beam can enlarge the usage area of archetect structure and make the steel structure looks more beautiful

（ 3 ） Its strength yield at high temperature can be much higher than the common steel , and it can ensure the strengh yield at 600 ℃ not less than two third at the nomal temperature.

（ 4 ） The property of nomal temperature are same as common steel , and can be designed , machinery and erection as the common steel .

b 、 Application exemple

（ 1 ） out side steel frame stucture (frame of skyscrapers and high buildings)

（ 2 ） steel frame of the main lobby

（ 3 ） steel frame of sports facility

（ 4 ） automatic vertical garage

c 、 the demand of property

Remarks:

（ 1 ） Akv(20 ℃ ) 3 34J ， use 5 × 10 × 55(mm) 的 small trial sample ， 20 ℃ AKv 3 22J 。

（ 2 ） s s ( s 0.2 ) （ 600 ℃） (MPa) 3 230

The following pictures are the application smaples of the fire resisting H beam MGFR490B applied in house erectrion for Shanghai zhongfu city