TY JOUR TI INFLUENCE OF DEFECTS IN WELDS ON MECHANICAL PROPERTIES OF STEEL FRAME SPECIFIED UNDER STATIC LOADING KW welded joint KW welding defects KW lack of penetration KW pores KW slag inclusions KW welded constructions KW mechanical testing JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Nguyen Nhan, .. AU Ruban, A.R. PY 2015 IS 2015 PB Astrakhan State Technical University