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Your search for cast steel resulted in 13 matches...

EFFECT OF DIRECT IN-MOULD INOCULATION ON THE STRUCTURE OF IRON ALLOYS


In the course of the executed project, a series of investigations has been made to establish what effect a refined inoculant applied on the mould surface can have on changes in the surface structure of castings mad...

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EFFECT OF HEAT TREATMENT ON THE MECHANICAL PROPERTIES OF GS-20Mn5 CAST STEEL ASSIGNED FOR OPERATION AT LOW TEMPERATURES


The study formed a part of industrial (applied) research executed under Target Project ROW-II-403/2008 at MAGNUS-NORD in Toruń. The aim of the study was to select the heat treatment parameters ensuring the require...

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MECHANICAL PROPERTIES OF HIGH-ALLOYED, DISPERSION-HARDENED, MARTENSITIC CAST STEEL AFTER MULTI-STAGE HEAT TREATMENT


High-alloyed Cr-Ni-Cu cast steel with additions of Mo and Nb and high nitrogen content was melted. The cast test ingots were subjected to a heat treatment. Metallographic examinations were made under an optical mic...

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AN ASSESSMENT OF NITROGEN CONTENT EFFECT ON THE MECHANICAL PROPERTIES OF MARTENSITIC CAST STEEL


The GX5CrNiCu16-4 martensitic cast steel with graded nitrogen content comprised in a range of 0,064-0,12% was melted; the chemical composition, including oxygen and nitrogen content, was determined. Test bars were ...

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APPLICATION OF GEOPOLYMER BINDER IN MANUFACTURING OF CASTING FROM FERROUS ALLOYS


The article presents the results of laboratory and industrial tests on the application of a new geopolymer Rudal A binder used in production of moulding and core sands for castings from carbon and alloyed cast stee...

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SIMULATION STUDIES (USING METHODS OF NUMERICAL CALCULATIONS) OF POURING AND SOLIDIFICATION OF SELECTED IRON ALLOY CASTINGS


The results of computer simulation carried out on MAGMAsoft and MAGMAiron programmes were presented for the technology of pouring and solidification of 35GSM steel castings and GJS400-15 and GJS600-3 ductile iron casti...

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TECHNOLOGICAL ASPECTS OF ALLOYS BASED ON THE Fe-Al SYSTEM


Melting of cast steel based on Fe-Al system was described. Problems of technological nature related with the melting process performance, starting with computer simulation and in the casting treatment ending, were discussed. The outcome of the stu...

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STRUCTURE OF GUIDE GRATE IN HEAT TREATMENT TECHNOLOGICAL EQUIPMENT


The paper presents a procedure that allows a quantitative comparative assessment of the flexibility of different design solutions of guide grate cast. Guide grate is an essential component part in all types of technological equipment structures us...

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High-temperature oxidation of cast steel in water vapour


The article presents the results of studies of the oxidation process conducted at 900°C for 12 hours in an atmosphere of water vapour on cast heat-resistant steel with a diversified structure (ferritic-austenitic, austenitic, and austenitic wi...

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The role of modification processes in ledeburitic class cast steel tribological properties


The work focuses on tribological tests of G200CrNiMo4-3-3 cast steel in the state without modification as well as after modification with FeSi and FeB. The FeSi modification reduced the secondary cementite precipitation in the Widmanstätten p...

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The microstructure and properties of cast alloyed G200CrNiMo4-3-3 steel


The subject of the study is the analysis of the microstructure and mechanical properties of cast G200CrNiMo4-3-3 steel. The investigated alloyed cast steel, containing approximately 2% C, is nearly an ideal material for the hot mill work rolls, an...

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New ledeburite cast steel with precipitation hardened matrix


A new ledeburite cast steel was designed based on a matrix precipitation hardened with intermetallic compounds of a chemical composition enriched by adding about 4.25% V totally balanced with carbon. A martensitic-austenitic matrix with a ledeburi...

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Elaboration of a method of producing a limited amount of high quality charge materials in the form of granulate of a complex chemical composition


The fundamental aim of the study was to obtain high-alloy granulate. The study tests many possibilities of obtaining granulate with the use of the appropriate methods. The preliminary tests with the use of small melting units as well as granulate ...

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