1 Introduction Page 9
Stud welding units Operating manual Date: July 2021
INTRA 2100/1400 07.2021 / EN Rev.: A
Therefore, all weldable materials can be processed with the stud welding process.
The standards and regulations that apply to construction technology, boiler,
machine, reactor and shipbuilding in regard to mechanical properties, chemical
composition and suitability of the materials for welding must be observed.
1.4.1
Combinations for the drawn arc process
Generally, for the drawn arc process, combinations of like materials are to be
preferred (see the table on the previous page).
This means that steel-steel and aluminium-aluminium joints can be created.
So-called “black-white joints” (e.g. S235 with 1.4301) lead to a hard martenistic,
brittle weld metal in the welding zone. This welding is not suitable for high-strength
joints. For such applications, we recommend using Tucker DUO studs that always
have the same kind of material in the welding zone. Please ask your Tucker
technical advisor.
During execution of aluminium welds, you should also get in touch with your
Tucker technical consultant.
1.4.2
Combinations for the short cycle process
To a limited extent, the short cycle process also allows some combinations of
unlike materials (see the table on the previous page).
The special advantage here is the option to weld galvanized studs with galvanized
sheet metal. Generally, however, cold-rolled sheet metals and profiles should be
favoured.
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