NF A81-311:2011 Welding consumables - Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification.
2013NF A89-202:2013 Destructive tests on welds in metallic materials - Impact tests - Test specimen location, notch orientation and examination
2011NF A81-311:2011 Welding consumables - Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification.
2008NF A81-311:2008 Welding consumables - Wire electrodes and deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification.
1994NF A81-311:1994 Welding consumables. Wire electrodes and deposits for gas shielded metal arc welding of non alloy and fine grain steels. Classification.