Specification. Covered electrodes for the manual metal-arc welding of carbon and carbon manganese steels.
NORMA vydána dne 27.2.1976
Designation standards: BS 639:1976
Note: NEPLATNÁ
Publication date standards: 27.2.1976
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategorie: Technické normy BS