SIST EN ISO 18785-4:2021 PDF

Name: SIST EN ISO 18785-4:2021 — Friction stir spot welding - Aluminium - Part 4: Specification and qualification of welding procedures (ISO 18785-4:2018)
SKU: SIST EN ISO 18785-4:2021
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Friction stir spot welding - Aluminium - Part 4: Specification and qualification of welding procedures (ISO 18785-4:2018)

Название (английский):

SIST EN ISO 18785-4:2021

Friction stir spot welding - Aluminium - Part 4: Specification and qualification of welding procedures (ISO 18785-4:2018)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 21
Дата публикации:: 5 февраля 2021 г.
ICS:: 25.160.10
Технический комитет:: VAR - Welding

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Описание (английский):

This document specifies the requirements for the content of welding procedure specifications for the Friction Stir Spot welding (FSSW) of aluminium. In this document, the term "aluminium" refers to aluminium and its alloys

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты SIST

Overview - EN ISO 18785-4:2021 (FSSW aluminium)

EN ISO 18785-4:2021 (ISO 18785-4:2018) specifies the required content and qualification procedures for welding procedure specifications (WPS/pWPS) for Friction Stir Spot Welding (FSSW) of aluminium and aluminium alloys. It is part of the ISO 18785 series and was adopted by CEN to provide harmonized guidance for developing, documenting and proving welding procedures for FSSW joints.

Key topics and technical requirements

This part focuses on the practical elements needed to create and qualify FSSW procedures. Major topics include:

Content of a pWPS / WPS - mandatory technical items such as:

manufacturer and production information
composition and identification of parent material (aluminium and alloys)
material dimensions and stack-up
specified welding method and FSSW variant
machine specifications and tool identification
clamping systems and process conditions
joint design, preparation and cleaning methods
welding technique parameters and post‑weld processing

Development and qualification of welding procedures - methods for producing and documenting a qualified procedure

Qualification by welding procedure test - use of standardized test pieces, subscale components or actual components to validate the WPS

Examination and testing - visual inspection, destructive testing, macrosectioning and re‑testing rules

Range of qualification - how qualifications apply across manufacturers, materials, tooling and other variables

Pre‑production qualification and welding procedure qualification records (WPQR/WQPR) - record forms and example WPS formats (informative annexes)

Practical applications

EN ISO 18785-4:2021 is used to ensure repeatable, controlled FSSW processes for aluminium assemblies in industries where spot-like solid-state joining is advantageous:

Automotive body and structural components

Aerospace and defence subassemblies

Railway car structures

Marine and shipbuilding panels

Consumer goods and food‑processing equipment

Using this standard helps reduce welding defects, improve joint performance, and provide auditable procedure documentation for production and procurement.

Related standards

Other parts of the ISO 18785 series (see ISO for the full set)

National/adopted versions (EN ISO 18785-4:2021) published by CEN members

Keywords: EN ISO 18785-4:2021, Friction stir spot welding, FSSW aluminium, welding procedure specification, welding procedure qualification, aluminium alloys, welding standards.

SIST EN ISO 18785-4:2021 PDF

Abstract

Похожие стандарты

Overview - EN ISO 18785-4:2021 (FSSW aluminium)

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Технические детали

ISO 18785-4:2018

Friction stir spot welding — Aluminium — Part 4: Specification and qualification of welding procedures

BS EN ISO 18785-1:2021

Friction stir spot welding. Aluminium. Vocabulary.

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