ISO 13920-1996 rus PDF

Full title and description

St ISO 13920-1996 (Russian edition) — Welding — General tolerances for welded constructions — Dimensions for lengths and angles — Shape and position. This is the Russian-language version/edition of the original International Standard ISO 13920:1996, providing general tolerancing rules and recommended practice for fabrication and erection of welded structures.

Abstract

Specifies general tolerances for linear and angular dimensions and for shape and position of welded structures presented in four tolerance classes based on customary workshop accuracy; provides guidance for selection of a class according to functional requirements and for indication on drawings. Includes basic testing/verification recommendations (straightness, flatness, parallelism) and handling of non‑conformities.

General information

• Status: Withdrawn (first edition withdrawn; a new edition was published in 2023).
• Publication date: 1996 (first edition — August 1996 / ISO reference 1996-08).
• Publisher: International Organization for Standardization (ISO); Russian text available as a national-language edition.
• ICS / categories: 17.040.10 (Limits and fits) and 25.160.10 (Welding processes).
• Edition / version: Edition 1 (ISO 13920:1996).
• Number of pages: 5 (ISO bibliographic entry lists 5 pages for the ISO document); national/adopted versions may differ in pagination.

Scope

ISO 13920:1996 defines general tolerances to be applied to welded constructions for: linear dimensions (lengths), angular dimensions, and geometric characteristics (shape and position: straightness, flatness, parallelism). The standard sets out four tolerance classes (based on workshop practice) and explains how to indicate tolerances on drawings; it also gives basic test methods for verifying straightness, flatness and parallelism and notes how to treat non‑conformities. This edition has since been withdrawn and updated (see Related standards).

Key topics and requirements

• Four classes of general tolerance suitable for welded constructions (selection based on functional needs and workshop accuracy).
• Tolerances for linear dimensions (lengths) and angular dimensions.
• Requirements and limits for shape and position: straightness, flatness and parallelism.
• Recommended indications and notation for drawings to show general tolerances.
• Basic test/verification guidance and criteria for non‑conformities.

Typical use and users

Used by structural steel designers, weld engineers, fabrication shops, quality managers, inspectors, detailers and drafters involved in the manufacture and erection of welded constructions. It is applied when designers prefer to specify general workshop tolerances rather than extensive individual tolerances for each dimension. National-language (Russian) editions are commonly used by Russian-speaking practitioners for direct application in drawings and procurement documents.

Related standards

ISO 13920:1996 has been superseded by ISO 13920:2023 (revised edition covering the same subject with updated content). Relevant companion and related standards include ISO 1101 (geometrical product specifications — geometrical tolerancing) and ISO 2768 (general tolerances for linear and angular dimensions), which are often referenced together when specifying tolerances and geometrical requirements on drawings. Regional/adopted versions (EN ISO, DIN EN ISO, SS‑EN ISO, etc.) exist as well.

Keywords

welding; welded constructions; tolerances; linear dimensions; angular dimensions; shape; position; straightness; flatness; parallelism; fabrication tolerances; workshop accuracy; ISO 13920; Russian edition.

FAQ

Q: What is this standard?

A: ISO 13920:1996 is an international standard that specified general tolerances for welded constructions (lengths, angles, and geometric features such as straightness and flatness); the "St ISO 13920-1996 rus" refers to the Russian-language edition of that text.

Q: What does it cover?

A: It covers recommended general tolerances in four classes for linear and angular dimensions and for shape and position (straightness, flatness, parallelism) of welded structures, plus drawing indication practices and basic verification methods.

Q: Who typically uses it?

A: Structural engineers, welding engineers, fabricators, quality/control inspectors, detailers and drafters who need consistent, workshop‑level tolerancing rules for welded constructions; also procurement and conformity-assurance personnel.

Q: Is it current or superseded?

A: The 1996 edition is withdrawn; it has been revised and a newer edition ISO 13920:2023 is available and should be used for current projects. Users should adopt the 2023 edition (or relevant national adoption) for up‑to‑date requirements.

Q: Is it part of a series?

A: It is part of the family of standards covering tolerancing and welding practice and is commonly used alongside GPS/geometrical tolerancing standards (for example ISO 1101) and general tolerance standards (for example ISO 2768), as well as welding‑quality standards where appropriate.

Q: What are the key keywords?

A: Welding, welded constructions, tolerances, dimensions, shape, position, straightness, flatness, parallelism, workshop accuracy, ISO 13920.