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naSRPS EN ISO 11970:2022

Specification and qualification of welding procedures for production welding of steel castings (ISO/DIS 11970:2024)

General information

40.60     Apr 8, 2024



European Norm

77.140.80     25.160.10  



ISO 11970:2016 specifies how a welding procedure specification (WPS) for production welding of steel castings is qualified.
It defines the conditions for the execution of welding procedure qualification tests and the limits of validity of a qualified welding procedure for all practical welding operations within the range of essential variables.
Tests are intended to be carried out in accordance with this International Standard unless additional tests are specified by the purchaser or by agreement between the contracting parties.
ISO 11970:2016 applies to the arc welding of steel castings. The principles of this International Standard can be applied to other fusion welding processes subject to agreement between the contracting parties.
In the case of specific service, material or manufacturing conditions, tests more comprehensive than those specified by this International Standard can be specified by the purchaser, in order to gain more information, e.g. longitudinal weld tensile tests, bend tests, chemical analyses, ferrite determination in austenitic stainless steels, elongation, Charpy "V" impact tests, and radiography.

Life cycle


SRPS EN ISO 11970:2016


naSRPS EN ISO 11970:2022
40.60 Close of voting
Apr 8, 2024

Related project

Adopted from prEN ISO 11970 IDENTICAL

Adopted from ISO/DIS 11970 IDENTICAL