American Petroleum Institute (API) specifications for line pipes include several steel grades with wide range of mechanical properties and chemical composition. Almost all, large diameter pipes produced in the Kingdom conform to these specifications and the present demand of this market segment reaches to about 300,000 tons annually. Until recently, all material used in the Kingdom under these ...

J. Vveinhardt, Lithuanian Sports University, Lithuania, W. Sroka, University of Dąbrowa Górnicza, Poland Mobbing and harassment are widely analysed in organizations providing various services but are little studied in the companies undertaking industrial activities. Therefore, the aim of the paper is to diagnose the prevalence of mobbing and harassment in the steel enterprises. The case study a...

Cost reduction is one of the methods applied for improving the productivity of organizations. In productivity literature, particularly in nonparametric methods, cost reduction related methods are regarded as input oriented models. This paper presents a Supply Chain Management (SCM) model in which purchasing iron ore and coke from different resources, along with production and distribution of st...

BACKGROUND Given the hazardous nature of the work in steel factories and that the staff has to deal with hazardous equipment and machines, improper sleep quality and drowsiness among the works tackles performance and boosts rate of job accidents. This study is aimed to survey the quality of sleep and sleepiness status and the pertinent factors among the workers in a rolling mill and a steel pro...

background: mental health disorders and depression are pervasive and costly problems for workplaces. the aim of this study was to examine the general health and depression in temporary employees and the effect of educational intervention on general health and depression in temporary employees in isfahan steel company. methods: a quasi‑experimental design was used to examine the effect of interv...

Yigeng Huangfu 1, Shengzhao Pang 1,*, Babak Nahid-Mobarakeh 2, Akshay Rathore 3, Fei Gao 4 and Dongdong Zhao 1 1 School of Automation, Northwestern Polytechnical University, Xi’an 710072, China; [email protected] (Y.H.); [email protected] (D.Z.) 2 Research Group in Electrical and Electronics, Université de Lorraine, 54518 Vandoeuvre-les-Nancy, France; [email protected] 3...

Classification schemes are an important issue in the collective use of large document collections. We have investigated the classification of technical documentations in two engineering domains: a steel mill and a sewerage plant company. In both cases we found a coexistence of different classification schemes and problems resulting from distributed local archives. In supporting human actors to ...

The proper ratio decision of sintering burden is a significant section for both of decreasing sintering costs and increasing quality of iron. At present most company in China take the Fixed-ratio method and linear programming (LP) model to calculate the proper ratio for sintering. The former is the performance appraisal method for production cost management of iron. The latter is to use maths m...