ISO 11970:2025Published

Specification and qualification of welding procedures for production welding of steel and nickel-base castings

Descriptif et qualification de modes opératoires de soudage pour le soudage de production des pièces moulées en acier et à base de nickel

Abstract / scope

This document specifies how a welding procedure specification (WPS) for production welding of steel castings is qualified. Tests are intended to be carried out in accordance with this document, unless additional tests are specified by the purchaser or by agreement between the contracting parties.

This document 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.

This document applies to the arc welding of steel castings. The principles of this document can be applied to other fusion welding processes subject to agreement between the contracting parties.

Life cycle

Replaces

ISO 11970:2016WithdrawnSpecification and qualification of welding procedures for production welding of steel castingsInternational Standard · Published 7 Mar 2016 · ISO/TC 17/SC 11