The manufacturing of weld buttons from bi– or tri–metal strip requires a ductile contact material. Weld buttons with tungsten contact layers are therefore produced by brazing of tungsten discs to a weldable pre-formed base.

<figure id="fig:Typical_contact_forms_of_weld_buttons">

[[File:Typical_contact_forms_of_weld_buttons.jpg|right|thumb|Typical contact forms of weld buttons]]

*Carrier materials <br />Ni, Fe, CuNi, CuNiZn et.al.<br />

<figure id="fig:13neuDimensional -Ranges">

[[File:13neuDimensional -Ranges.jpg|right|thumb|Dimensional Ranges]]

</figure>

<figure id="fig:16Quality_criteria_-of_standard_weld_-buttonsneu">

[[File:16Quality_criteria_-of_standard_weld_-buttonsneu.jpg|right|thumb|Quality criteria of standard weld buttons]]

</figure>

==References==

[[:Manufacturing Technologies for Contact Parts#References|Manufacturing Technologies for Contact Parts]]