ASME SFA-5.12 * E5 v/ t$ s* K* ?9 D用于弧焊和切断的钨和钨合金电极规范 ! d, z! |' N0 c3 m% D6 ?. FSpecification for Tungsten and Tungsten-Alloy Electrodes for Arc Welding and Cutting# Z$ j- d! }2 g4 Z
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ISO 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