The test implies that the stud
is bent to an angle of at least 60° or until breakage occurs. This is
done by means of hammer blows or a bending pipe.
The stud
• must break in the shank, not in the welding area
• or when welding sheet steels it must come off the sheet steel, bending
a piece of sheet at right angles (pull a weld nugget).The
weld must not show any superficial fissures.
When using alloyed steel and special shapes of studs different tests
conditions apply.
For further information see EN ISO 14 555.
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