Performance of boron grades versus carbon grades to produce cold heading parts class 88 for building and industry applications

Performance of boron grades versus carbon grades to produce cold heading parts class 88 for building and industry applications

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In Europe, high-strength screws and bolts class 8.8 or higher, obtained after heat treatment type quenching tempering, are produced from boron grades. Recently, there has been more competition from imported carbon grade parts coming from countries with low labor costs. This paper compares the potential of carbon steel grades versus boron steel grades for the production of bolts class 8.8 as defined by standard ISO 898.1. This study uses metallurgical investigations, mechanical tests, and modelling.

SKU: P05328 Category:

Description

In Europe, high-strength screws and bolts class 8.8 or higher, obtained after heat treatment type quenching tempering, are produced from boron grades. Recently, there has been more competition from imported carbon grade parts coming from countries with low labor costs. This paper compares the potential of carbon steel grades versus boron steel grades for the production of bolts class 8.8 as defined by standard ISO 898.1. This study uses metallurgical investigations, mechanical tests, and modelling.

Additional information

Author(s)

B. Resiak, C. Bobadilla, M. T. Perrot-Simonetta, and M. Confente, Mittal Steel Europe Research Center, France
Publication/Event/Pages

Paper presented at WAI's International Technical Conference in Monterrey, Mexico, Oct., 2008.
Year

2008

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