NEN EN ISO 21952:2007被替代
Welding Consumables - Wire Electrodes, Wires, Rods And Deposits For Gas-shielded Arc Welding Of Creep-resisting Steel - Classification
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines requirements for classification of wire electrodes, wires and rods for gas-shielded metal arc welding and tungsten inert-gas welding of creep-resisting steels, and for their deposits in the as-welded or post-weld heat-treated condition.
Supersedes NEN EN 12070. (12/2007)
ISO 21952:2007 - Identical
DIN EN ISO 21952 (2006-08) - Identical
BS EN ISO 21952:2007 - Identical
NF EN ISO 21952:2008 - Identical
NS EN ISO 21952 Ed. 1 (2007) - Identical
ONORM EN ISO 21952:2008 - Identical
SN EN ISO 21952:2008 - Identical
DIN EN ISO 21952 (2008-02) - Identical
SS EN ISO 21952 Ed. 1 (2008) - Identical
I.S. EN ISO 21952:2007 - Identical
NF EN ISO 21952:2006 - Identical
