ISO 11970:2001 PDF

Scope: This International Standard specifies how a welding procedure specification (WPS) for production welding of steel castings is approved, It defines the conditions for the execution of welding procedure approval tests and the limits of validity of an approved welding procedure for all practical welding operations within the range of essential variables. Tests shall be carried out in accordance with this International Standard unless additional tests are specified by the purchaser or by agreement between the contracting parties. This International Standard applies to the arc welding of steel castings. The principles of this International Standard may be applied to other fusion welding processes subject to agreement between the contracting parties. In the case of specific service, material or manufacturing conditions, more comprehensive tests may be specified by the purchaser, than are specified by this International Standard, 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, radiography, etc.

ISO 11970:2001 Referenced Document

ISO 148:1983 Steel; Charpy impact test (V-notch)
ISO 4969:1980 Steel; Macroscopic examination by etching with strong mineral acids
ISO 4986:1992 Steel castings; magnetic particle inspection
ISO 4992 Steel castings — Ultrasonic testing — Part 2: Steel castings for highly stressed components*， 2020-03-15 Update
ISO 4993:1987 Steel castings; Radiographic inspection
ISO 5817 Welding — Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) — Quality levels for imperfections*， 2023-02-24 Update
ISO 6507-1:1997 Metallic materials - Vickers hardness test - Part 1: Test method
ISO 6892:1998 Metallic materials - Tensile testing at ambient temperature
ISO 6947:1990 Welds; working positions; definitions of angles of slope and rotation (revision of ISO 6947:1980)
ISO 857-1:1998 Welding and allied processes - Vocabulary - Part 1: Metal welding processes
ISO 9606-1:1994 Approval testing of welders - Fusion welding - Part 1: Steels
ISO 9692-1 Welding and allied processes.Types of joint preparation.Part 1: Manual metal arc welding, gas-shielded metal arc welding, gas welding,TIG welding and beam welding of steels*， 2013-09-01 Update
ISO 9956-1:1995 Specification and approval of welding procedures for metallic materials - Part 1: General rules for fusion welding
ISO 9956-2:1995 Specification and approval of welding procedures for metallic materials - Part 2: Welding procedure specification for arc welding

2016 ISO 11970:2016 Specification and qualification of welding procedures for production welding of steel castings
2001 ISO 11970:2001 Specification and approval of welding procedures for production welding of steel castings