BS 639:1972

Specification. Covered electrodes for the manual metal-arc welding of mild steel and medium tensile steel..

NORMA vydána dne 17.5.1972

The information about the standard:

Designation standards: BS 639:1972
Note: NEPLATNÁ
Publication date standards: 17.5.1972
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategorie: Technické normy BS