JOURNAL OF THE JAPAN WELDING SOCIETY
Online ISSN : 1883-7204
Print ISSN : 0021-4787
ISSN-L : 0021-4787
A Study on the Deoxidizing Effect of Mn and Si in Flux (Report I)
On the concentration ratio between Mn and Si
I. MoriguchiT. Yonei
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1951 Volume 20 Issue 9-10 Pages 263-273

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Abstract

A study has been made under the notion that, in mixing Mn and Si in the flux of welding electrode, the deoxidation theory in steel making (the co deoxidation by Mn and Si and the various ensuing phenompena of the deoxidation products) must have much to do with the welding deoxidation also. Some of the findings follow :
a) The coated welding electrode is remarkably improved by mixing a proper dose of deoxidation agent in the flux, and the conditions for the [Mn] and [Si] concentration ratio considered proper in steel making are also the conditions applicable to welding.
b) In order to obtain specially good mild steel arc welds, it is desirable that the concentration ratio be, including the amount in the core, [Mn]: [Si]=4.0%:0.5%.

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