ISO 3306:1985 PDF

Name: ISO 3306:1985 — Plain end as-welded and sized precision steel tubes — Technical conditions for delivery
SKU: ISO 3306:1985
Price: 25 EUR
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Plain end as-welded and sized precision steel tubes — Technical conditions for delivery

Название (английский):

ISO 3306:1985

Plain end as-welded and sized precision steel tubes — Technical conditions for delivery

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 7 ноября 1985 г.
Издание:: ISO IS 3306 edition 2 version 1
ICS:: 23.040.10

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Описание (английский):

This second edition cancels and replaces the first edition (1975). Specifies the technical conditions for tubes. Tabulates the chemical composition (table 2) and mechanical properties (tables 3 and 5) as well as dimensions (table 8) ranging from 6 mm up to and including 160 mm (outside diameter) and tests (tables 6 and 7). For use in hydraulic piping equiment they shall be used only in annealed or normalized condition.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 3306:1985 - "Plain end as-welded and sized precision steel tubes - Technical conditions for delivery" defines the delivery requirements for longitudinally welded, plain-end precision steel tubes. This second edition (1985) replaces the 1975 version and covers tube grades, dimensional series, chemical composition, mechanical properties, tests and inspection rules. The standard applies to outside diameters from 6 mm up to and including 160 mm and specifies conditions for as-welded (KM), annealed (GKM/GZF) and normalized (NKM/NZF) deliveries. For use in hydraulic piping equipment, tubes must be supplied only in the annealed or normalized condition.

Key Topics and Requirements

Scope and designation

Defines product naming convention: product - ISO reference - steel grade - delivery condition - D x T.

Steel grades and chemistry

Lists approved grades (e.g., R28, R33, R37, R44, R50) and tabulates maximum elemental limits (see table 2).

Delivery conditions and heat treatment

Delivery symbols: KM (as-welded/sized), GKM/GZF (annealed, descaled options), NKM/NZF (normalized, descaled options).
Specific heat treatments and descaling requirements are defined in table 1 and related tables for mechanical properties.

Dimensions, masses and tolerances

Dimensions and mass per unit length referenced to ISO 4200 and given in table 8; tolerances on diameter, thickness, ovality, straightness and length are specified.

Mechanical properties

Tensile strength, elongation and (for normalized material) upper yield strength specified by grade and condition (tables 3, 4, 5).

Inspection and testing

Mandatory/optional tests: visual inspection, tensile test (ISO 6892), flattening test (ISO 8492/9492), drift expanding (ISO 8493) and, when requested, a hydraulic leaktightness test (typical 5 MPa).
Lot acceptance rules and sampling: lots of 200 tubes; test frequency and retest rules per ISO 404.

Purchaser information

Purchaser must specify quantity, steel grade, delivery condition, OD/thickness, length and reference to ISO 3306.

Applications and Users

Practical uses: precision structural and mechanical tubing where dimensional accuracy, surface finish and predictable mechanical properties are required - including instrumentation, fittings, assemblies and certain pressure piping.

Special note: tubes intended for hydraulic piping equipment must be annealed or normalized.

Typical users:

Tube manufacturers and mill quality engineers
Procurement and specification engineers in automotive, hydraulic, instrumentation and industrial equipment sectors
Inspectors and testing laboratories ensuring compliance with delivery conditions

Related Standards

ISO 4200 - dimensions and masses for plain end steel tubes

ISO 404 - general technical delivery requirements

ISO 2604/3 - product analysis tolerances (steel)

ISO 3545 - symbol conventions for tubular products

ISO 6892 - tensile testing of metallic materials

ISO 8492 / ISO 9492 - flattening tests for tubes

ISO 8493 - drift expanding test

Keywords: ISO 3306, precision steel tubes, as-welded and sized, technical conditions for delivery, hydraulic piping equipment, dimensions and tolerances, mechanical properties, chemical composition, inspection and testing.

ISO 3306:1985 PDF

Abstract

Похожие стандарты

Overview

Key Topics and Requirements

Applications and Users

Related Standards

Технические детали

SIST ISO 4:2003

Information and documentation -- Rules for the abbreviation of title words and titles of publications

BS EN ISO 6892-2:2026

Metallic materials. Tensile testing - Method of test at elevated temperature

SIST EN ISO 8493:2004

Metallic materials - Tube - Drift-expanding test (ISO 8493:1998)

BS EN ISO 4048:2018

Leather. Chemical tests. Determination of matter soluble in dichloromethane and free fatty acid content.

ISO 3306:1975

Plain end as-welded and sized precision steel tubes — Technical conditions for delivery

ISO 2604-3:1975

Steel products for pressure purposes — Quality requirements — Part 3: Electric resistance and induction-welde…

SIST ISO 3545-3:1995

Steel tubes and fittings -- Symbols for use in specifications -- Part 3: Tubular fittings with circular cross…

SIST EN ISO 8492:2014

Metallic materials - Tube - Flattening test (ISO 8492:2013)