Note:
1.,
tungsten, iron must be measured element is W, C, P, S, Si, Mn of
the content, and the remaining to ensure that
elements;
2, tungsten iron to *0% of the amount of
tungsten as a baseline;
3, the demand side of the table column
elements, if there are special requirements, by both supply and
demand to be negotiated;
4 the tungsten iron massive delivery block
surface should be smooth, no significant cross-section and the
surface of non-metallic inclusions
