EN 10244-4:2001

Steel wire and wire products - Non-ferrous metallic coatings on steel wire - Part 4: Tin coatings

This part of this European Standard specifies the requirements for mass, other properties and testing of tin coatings on steel wire and steel wire products of round or other cross section.

Stahldraht und Drahterzeugnisse - Überzüge aus Nichteisenmetall auf Stahldraht - Teil 4: Überzüge aus Zinn

Dieser Teil dieser Europäische Norm legt die Anforderungen an Masse, andere Eigenschaften und Prüfung von Zinnüberzügen auf Stahldraht und Staldrahterzeugnissen mit rundem oder anderem Querschnitt fest.

Fils et produits tréfilés en acier - Revêtements métalliques non ferreux sur fils d'acier - Partie 4: Revêtements d'étain

Domaine d'application
La présente partie de la présente norme européenne spécifie les exigences en matière de masse, des autres caractéristiques et d'essai de revêtements d'étain sur fils en acier et produits dérivés de section circulaire ou autre.

Jeklena žica in žični izdelki - Neželezne kovinske prevleke na jekleni žici - 4. del: Kositrove prevleke

General Information

• Status: Published
• Publication Date: 20-Mar-2001
• Withdrawal Date: 29-Sep-2001
• ICS: 25.220.40 - Metallic coatings
• ICS: 77.140.65 - Steel wire, wire ropes and link chains
• Technical Committee: ECISS/TC 106 - Wire rod and wires
• Drafting Committee: ECISS/TC 30/SC 1 - Wire coatings
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 03-Sep-2025
• Completion Date: 23-Sep-2025
• Ref Project: SIST EN 10244-4:2002 - Steel wire and wire products - Non-ferrous metallic coatings on steel wire - Part 4: Tin coatings

Overview

EN 10244-4:2001 is a European Standard issued by CEN titled "Steel Wire and Wire Products - Non-ferrous Metallic Coatings on Steel Wire - Part 4: Tin Coatings". This standard specifies the technical requirements for tin coatings applied to steel wire and steel wire products with round or other cross-sectional shapes. It addresses the mass of the tin coating, material properties, coating porosity, and testing methods to ensure quality and performance.

The standard plays a crucial role in the manufacturing and quality assurance processes of steel wire coated with tin, providing a harmonized framework for product specifications and testing across CEN member countries.

Key Topics

• Scope and Application
  EN 10244-4:2001 focuses on tin coatings for steel wires subjected to hot-dip or electrolytic coating processes. The coating material used must meet purity levels (minimum 99% tin for electrolytic, less than 0.5% impurities for hot dip).

• Coating Mass Requirements
  The standard details the agreed-upon mass of coating necessary based on customer requirements or product specifications. Gravimetric testing methods to determine coating mass are clearly described for accuracy and consistency.

• Material Specifications
  Pure tin is mandated for coating applications with strict impurity limits to ensure the protective quality and durability of the coating.

• Porosity Testing Methods
  Two qualitative tests are outlined to detect pinholes or fine discontinuities in the tin layer:

  • NH4SCN and hydrogen peroxide immersion test showing red coloration at porosity points.
  • Hydrogen peroxide and potassium ferricyanide test indicating porosity with blue-colored areas.
    These methods enable detection of imperfections affecting corrosion protection and longevity.

• Adherence Testing
  The standard prescribes wrapping tests to assess tin coating adhesion to the steel wire substrate, ensuring coating durability under mechanical stress.

• Sample Preparation and Testing Conditions
  Standardized sampling lengths and conditioning procedures ensure reliable and reproducible test results.

Applications

EN 10244-4:2001 is widely used within industries that manufacture or utilize tin-coated steel wire, including:

• Electrical and Electronics: Tin-coated steel wires are preferred for improved solderability and corrosion resistance in electrical contacts and components.
• Automotive and Mechanical Engineering: Tin coatings provide protection for steel wire used in cables, springs, and fasteners subjected to harsh environments.
• Construction and Marine: Enhanced corrosion resistance through tin coatings extends the lifespan of steel wire products used in structural and marine applications.
• Packaging and Consumer Goods: Tin coating provides a non-toxic and corrosion-resistant surface for wire used in packaging materials and household goods.

By adhering to EN 10244-4:2001, manufacturers ensure compliance with industry standards, enhancing product reliability and customer confidence.

Related Standards

EN 10244 series covers various types of non-ferrous metallic coatings on steel wire, which complement the tin coating part:

• EN 10244-1: General principles for non-ferrous metallic coatings on steel wire
• EN 10244-2: Zinc and zinc alloy coatings
• EN 10244-3: Aluminium coatings
• EN 10244-5: Nickel coatings
• EN 10244-6: Copper, bronze, and brass coatings

Together, this series provides comprehensive guidelines for choosing the right metallic coating tailored to specific application needs and environmental conditions.

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Adopting EN 10244-4:2001 allows for standardized quality assurance of tin-coated steel wire products, ensuring optimal performance, corrosion resistance, and durability across multiple industrial sectors. Manufacturers, quality engineers, and purchasers benefit from its clear requirements and test methods, facilitating international trade and regulatory compliance.

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Stahldraht und Drahterzeugnisse - Überzüge aus Nichteisenmetall auf Stahldraht - Teil 4: Überzüge aus ZinnFils et produits tréfilés en acier - Revetements métalliques non ferreux sur fils d'acier - Partie 4: Revetements d'étainSteel wire and wire products - Non-ferrous metallic coatings on steel wire - Part 4: Tin coatings77.140.65Jeklene žice, jeklene vrvi in verigeSteel wire, wire ropes and link chains25.220.40Kovinske prevlekeMetallic coatingsICS:Ta slovenski standard je istoveten z:EN 10244-4:2001SIST EN 10244-4:2002en01-september-2002SIST EN 10244-4:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10244-4March 2001ICS 25.220.40; 77.140.70English versionSteel wire and wire products - Non-ferrous metallic coatings onsteel wire - Part 4: Tin coatingsFils et produits tréfilés en acier - Revêtements métalliquesnon ferreux sur fils d'acier - Partie 4: Revêtements d'étainStahldraht und Drahterzeugnisse - Überzüge ausNichteisenmetall auf Stahldraht - Teil 4: Überzüge aus ZinnThis European Standard was approved by CEN on 21 January 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10244-4:2001 ESIST EN 10244-4:2002

Page 2EN 10244-4:2001ContentsPageForeword.31Scope.42Normative reference.43Term and definition.44Requirements relating to coating.44.1Material.44.2Mass of coating.44.3General requirements.44.4Porosity.55Test conditions.55.1Samples.55.1.1General.55.1.2Length of samples.55.2Determination of mass of coating.55.2.1General.55.2.2Procedure.65.2.3Calculation of mass of coating.65.3Porosity.65.4Adherence test.7SIST EN 10244-4:2002

Page 3EN 10244-4:2001ForewordThis European Standard has been prepared by Technical Committee ECISS/TC 30 "Steel wires", thesecretariat of which is held by BSI.This European Standard shall be given the status of a national standard, either by publication of anidentical text or by endorsement, at the latest by September 2001, and conflicting national standardsshall be with
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