DVS 1621 2017-11 PDF

Full title and description

STB DVS 1621:2017-11 — A Belarusian technical standard adopting or harmonizing the German DVS 1621 guideline for welding—this edition, published November 2017, provides requirements and recommendations related to laser beam welding (LBW) processes, joint preparation, quality assurance and testing methods for welded components in relevant industries.

Abstract

This standard specifies practices, process parameters and quality requirements for laser beam welding, addressing equipment, operator qualification, joint types, weld preparation, permissible deviations, inspection and testing criteria. It is intended to ensure consistent weld quality and repeatability when using laser welding technology in production and repair.

General information

• Status: Published / Active (as of publication)
• Publication date: November 2017
• Publisher: Belarusian National Standards Body (STB), based on DVS (German Welding Society) guidance
• ICS / categories: 25.160.20 Welding and allied processes; 25.160.99 Other welding
• Edition / version: 2017-11 edition
• Number of pages: Typically between 10 and 40 pages (exact page count varies by national publication)

Scope

The standard covers laser beam welding processes used for joining metallic materials in industrial production and repair. It includes recommendations for equipment and process selection, joint design and preparation, welding parameters, control of heat input and distortion, testing and inspection methods, acceptance criteria for weld defects, and documentation required to demonstrate production quality. It is applicable to manufacturers, fabricators and service providers employing laser welding techniques where uniform, high-quality welds are required.

Key topics and requirements

• Definitions and classification of laser welding processes and joint types.
• Requirements for equipment, alignment, beam delivery and focusing.
• Recommended joint preparation, fit-up tolerances and clearance limits.
• Process parameter ranges (power, speed, focus position) and their influence on penetration and quality.
• Control of heat input, minimization of distortion and mitigation strategies.
• Inspection and testing methods: visual, macro- and microscopic examination, non-destructive testing options and mechanical testing.
• Acceptance criteria for common weld defects (porosity, lack of fusion, cracks, undercut).
• Operator and procedure qualification and documentation requirements.

Typical use and users

This standard is typically used by welding engineers, production managers, quality assurance personnel, welding inspectors, and technicians in industries such as automotive, aerospace, shipbuilding, machine building and metalworking. It supports companies implementing or validating laser welding processes, developing welding procedures, training personnel and establishing inspection regimes.

Related standards

Related documents include the originating German DVS guideline(s) on laser welding (DVS 1621 series), ISO and EN standards on welding and laser processing, national standards on welding qualifications, and other DVS publications covering welding procedure and personnel qualification, weld testing, safety and measurement of laser processes.

Keywords

laser beam welding, LBW, welding guideline, joint preparation, weld inspection, welding parameters, DVS 1621, STB standard, welding quality, procedure qualification

FAQ

Q: What is this standard?

A: STB DVS 1621:2017-11 is a Belarusian national publication reflecting the content of the DVS 1621 guideline for laser beam welding, providing technical requirements and recommendations for laser welding processes.

Q: What does it cover?

A: It covers equipment and process requirements, joint design and preparation, welding parameters, control of heat input and distortion, testing and inspection methods, acceptance criteria and documentation for laser beam welding.

Q: Who typically uses it?

A: Welding engineers, welding procedure developers, production and quality personnel, welding inspectors and technicians in sectors using laser welding such as automotive, aerospace and metal fabrication.

Q: Is it current or superseded?

A: The document is the 2017 publication; users should verify with the Belarusian standards body for any subsequent revisions or superseding editions to ensure they have the latest version.

Q: Is it part of a series?

A: Yes. It corresponds to the DVS 1621 guideline series on laser welding and is related to other DVS/DIN/ISO standards addressing welding procedures, personnel qualification and non-destructive testing.

Q: What are the key keywords?

A: Laser beam welding, LBW, joint preparation, welding parameters, weld inspection, DVS 1621, welding quality.