SNIP measures contextual citation impact by weighting citations based on the total number of citations in a subject field.
SJR is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and a qualitative measure of the journal’s impact.
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
© Thomson Reuters Journal Citation Reports 2015
To calculate the five year Impact Factor, citations are counted in 2014 to the previous five years and divided by the source items published in the previous five years.
© Journal Citation Reports 2015, Published by Thomson Reuters
The Journal of Iron and Steel Research, International, sponsored by the Central Iron and Steel Research Institute, is a learned journal in the metallurgical field. The purpose of the journal is to reflect developments in science and technology in the iron and steel industry, to promote academic exchanges, and to enable the development of qualified personnel by means of reports on the latest scientific research achievements on new processes, new materials and new equipment, and their dissemination and applications. Columns include Metallurgy and Metal Working, Material, and Testing.
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