This document specifies how a welding procedure can be qualified by using tested welding consumable
data. It expands on the requirements given in ISO 15607.
In addition, it gives the range of qualification.
This document is applicable to the welding processes according to Table 1.
Application of this document is limited to parent material groups 1.1, 8.1, 21, 22.1 and 22.2 in accordance
with ISO/TR 15608, which produce acceptable microstructures and properties in the heat-affected
zone which do not deteriorate significantly in service.
This document is limited to:
— parent material thicknesses t ≤ 40 mm (groups 1.1 and 8.1) and t ≤ 20 mm (groups 21, 22.1 and
22.2);
— fillet welds with throat thickness a ≥ 1 mm.
This document is not applicable when any of the following is specified for the welded joint:
a) hardness;
b) impact properties;
c) preheating;
d) controlled heat input;
e) interpass temperature;
f) post-weld heat treatment.
The use of this document can also be restricted by an application standard, specification or other
documents.
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