NS EN 1668 Ed. 1 (1997)被替代
Welding Consumables - Rods, Wires And Deposits For Tungsten Inert Gas Welding Of Non Alloy And Fine Grain Steels - Classification
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines requirements for classifying rods, wires and all-weld metal in the as-welded condition for tungsten inert gas welding of non alloy and fine grain steels having a minimum yield strength up to 500 N/mm in the as-welded state.
UNE EN 1668:1998 - Identical
SS EN 1668 Ed. 1 (1998) - Identical
UNI EN 1668:1998 - Identical
NF EN 1668:1997 - Identical
I.S. EN 1668:1998 - Identical
NBN EN 1668:1997 - Identical
ONORM EN 1668:1997 - Identical
DIN EN 1668 (1997-10) - Identical
BS EN 1668:1997 - Identical
NEN EN 1668:1997 - Identical
SN EN 1668:1998 - Identical
