钨极的标准是什么

weld

现在要求查标准，说钨极要按标准买，钨极的标准是什么？请告诉一下

dljdw

ASME SFA-5.12
: i3 U1 V" @5 y. q) f* t8 S/ Y用于弧焊和切断的钨和钨合金电极规范
% G8 k3 s6 m/ S% g0 ASpecification for Tungsten and Tungsten-Alloy Electrodes for Arc Welding and Cutting
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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

bj2008

SJ/T 10743-1996(GB 4191-1984) 惰性气体保护电弧焊和等离子焊接、切割用钨铈电极
% V% U) D; E9 E- q8 C+ Y, {http://www.3dportal.cn/discuz/viewthread.php?tid=353536