ASME SFA-5.123 X+ S6 i! W/ {$ z0 j
用于弧焊和切断的钨和钨合金电极规范/ U8 p& N3 K, k
Specification for Tungsten and Tungsten-Alloy Electrodes for Arc Welding and Cutting * j% o' s" z4 [% |6 _- Q# A5 Z " F9 M, _) M; U' o) `- r/ UISO 6848:2004 specifies requirements for classification of nonconsumable tungsten electrodes for inert gas shielded arc welding, and for plasma welding
发表于 2008-11-27 16:24:30