Heat Treatment - Rockinger Roe 57065 Montage- Und Betriebsanleitung

1. General welding information

1.3 Heat treatment

General
Heat treatment can be carried out using any
method that is suitable for the base material.
However, ensure that the specified tempe-
ratures are reached and that the prescribed
time is adhered to.
Pre-heating
Depending on the type of material, the
seam cross-section and the thickness of the
components to be welded, the seam area
must be pre-heated sufficiently if required.
(EN1011-2, SEW088, SEW088 Supplement
1, SEW088 Supplement 2) If the material is
to be welded with pre-heating, a sufficiently
large area must also be pre-heated before
tack welding. If welding in multiple layers, the
weld seam temperature of the existing layer
must not fall below the specified pre-heating
temperature when welding the intermediate
and covering layers.
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Heat treatment
The type and scope of post welding heat
treatment depends on the material used, the
wall thickness, the structure itself and the
intended use. Post welding heat treatment
must be carried out in accordance with the
currently applicable technical regulations, the
customer's specifications or the specifica-
tions of the material supplier.
Temperature check
When pre-heating and during post welding
heat treatment, the workpiece temperature
must be checked using suitable and monito-
red measuring equipment such as a thermo-
couple or a temperature indicating crayon.
10.2017