NF EN 22401:1994現行
Covered Electrodes - Determination Of The Efficiency, Metal Recovery And Deposition Coefficient
出版：Association Francaise de Normalisation
專家解讀視頻
Specifies a method for the determination of the efficiency, weld metal recovery and deposition coefficient of carbon steel and low alloy high steel covered electrodes in the 3.15 to 6.3 mm sizes. Also gives terms and definitions.
BS EN 22401:1994 - Identical
DIN EN 22401 (1994-04) - Identical
ONORM EN 22401:1995 - Identical
SN EN 22401:1995 - Identical
UNE EN 22401:1995 - Identical
UNI EN 22401:1996 - Identical
SS EN 22401 Ed. 1 (1994) - Identical
ISO 2401:1972 - Identical
I.S. EN 22401:1994 - Identical
NBN EN 22401:1995 - Identical
