NF EN 757:1997被替代
Welding Consumables - Covered Electrodes For Manual Metal Arc Welding Of High Strength Steels - Classification
出版：Association Francaise de Normalisation
专家解读视频
Defines requirements for classification of covered electrodes in terms of yield and tensile strength, together with elongation of the all-weld metal.
Indice de Classement: A81-340 Supersedes NFA 81 340 and NFA 81 341 (09/2001)
UNE EN 757:1997 - Identical
SS EN 757 Ed. 1 (1997) - Identical
NS EN 757 Ed. 1 (1997) - Identical
UNI EN 757:1998 - Identical
I.S. EN 757:1997 - Identical
NBN EN 757:1997 - Identical
ONORM EN 757:1997 - Identical
DIN EN 757 (1997-05) - Identical
BS EN 757:1997 - Identical
NEN EN 757:1997 - Identical
SN EN 757:1997 - Identical
