List of Articles چقرمگی ضربه فلز جوش Open Access Article Abstract Page Full-Text 1 - Determination Optimum Boron Quantity Effect on Low Temperature Impact Energy of Mild Steel Weld Metal that Fabricated by Submerge Arc Welding (SAW) Sh Shafinia Sh Mirdamadi حامد Sabet S. R Amirabadizade