Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel. Metric units.
NORM herausgegeben am 29.9.1969
Designation standards: BS 639:1969
Note: UNGÜLTIG
Publication date standards: 29.9.1969
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technische Normen BS