SIST EN 12893:2002
(Main)Copper and copper alloys - Determination of spiral elongation number
- Abstract
This European Standard specifies a method for performing the spiral elongation test on high purity copper drawing stock conforming to EN 1977, grade Cu-ETP1 (CW003A). The method has been designed for testing high purity copper sampled at the drawing stock stage. It is not relevant for assessing the quality of copper wire selected at a later stage of processing.
- Status
- Published
- Publication Date
- 31-Jan-2002
- Technical Committee
- INEK - Nonferrous metals
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Feb-2002
- Due Date
- 01-Feb-2002
- Completion Date
- 01-Feb-2002
SIST EN 12893:2002 is the Slovenian adoption of EN 12893:2000 for the test method “Copper and copper alloys - Determination of spiral elongation number”. It specifies how to perform the spiral elongation test on high purity copper drawing stock conforming to EN 1977, grade Cu-ETP1 (CW003A). In practice, it is used to assess copper at the drawing stock stage, before later processing into wire.
What does SIST EN 12893:2002 specify?
SIST EN 12893:2002 specifies a method for performing the spiral elongation test on high purity copper drawing stock. The standard is aimed at checking material quality at the drawing stock stage, which matters because this is where the copper is still in a form suited to process control and acceptance testing.
The scope ties the method to EN 1977 and to the grade Cu-ETP1 (CW003A). That makes the reference useful when a purchaser, producer, or laboratory needs to confirm that the right copper stock is being tested under the right material designation.
The standard is not intended for judging copper wire selected later in processing. In practice, that means the result is relevant to the stock from which wire is made, rather than to a finished or near-finished wire product.
What are the key requirements of SIST EN 12893:2002?
SIST EN 12893:2002 centers on one task: determining the spiral elongation number by means of the spiral elongation test. The important point for users is that this is a method standard, so its value lies in giving a consistent way to test the material rather than in setting product acceptance limits.
The material to be tested
SIST EN 12893:2002 applies to high purity copper drawing stock. The scope links that material to EN 1977 and the grade Cu-ETP1 (CW003A), so users need to check that the stock matches that designation before applying the method.
The stage of manufacture
SIST EN 12893:2002 is intended for testing at the drawing stock stage. That matters because the condition of the copper at this stage is what the method is designed to evaluate, and later processing can change the form and behavior of the material.
The test result
SIST EN 12893:2002 determines the spiral elongation number. For a quality manager or buyer, this means the document supports a repeatable test outcome that can be used to compare stock lots or confirm conformance to a specified method.
The practical use limit
SIST EN 12893:2002 is not meant for assessing copper wire selected after later processing. In practice, users should apply the method to the specified drawing stock, not to wire that has already moved beyond the stage covered by the standard.
What terms does SIST EN 12893:2002 define?
SIST EN 12893:2002 uses a few key terms that frame the method.
- Spiral elongation number - The result obtained from the spiral elongation test, used to describe the material’s behavior under that test.
- Spiral elongation test - The test method specified by the standard for measuring spiral elongation number.
- High purity copper drawing stock - Copper stock material of the purity level and form covered by the standard.
- EN 1977 - The referenced European Standard that identifies the copper drawing stock to which this method applies.
- Cu-ETP1 (CW003A) - The specific copper grade named in the scope for this method.
Who uses SIST EN 12893:2002?
SIST EN 12893:2002 is used by copper producers, wire-drawing operations, testing laboratories, and quality personnel who need to check copper drawing stock before further processing. It is also relevant for buyers and inspectors who specify test methods for incoming material.
In practice, the standard is useful when the question is whether a batch of high purity copper drawing stock behaves as expected under the spiral elongation test. That makes it a process-control and acceptance-testing document for the copper supply chain.
What changed in SIST EN 12893:2002 from the previous edition?
SIST EN 12893:2002 is identified as the Slovenian standard identical to EN 12893:2000. The page presents it as the national adoption of that European Standard.
Which standards are used with SIST EN 12893:2002?
The standard names EN 1977 as the related reference for the material under test. EN 1977 contributes the copper drawing stock designation, including the grade Cu-ETP1 (CW003A), that defines the application of the spiral elongation method.
What does the SIST EN 12893:2002 document contain?
SIST EN 12893:2002 contains the method for determining the spiral elongation number for high purity copper drawing stock. The document is a test-method standard, so its main value is in showing how the test is applied to the specified copper grade.
For users, that means the document is meant to support consistent testing, specification checking, and quality control at the drawing stock stage. Its focus is narrow and practical: one material family, one stage of processing, and one measured result.
Relations
- Effective Date
- 28-Jan-2026
Get Certified
Connect with accredited certification bodies for this standard

Element Materials Technology
Materials testing and product certification.
Inštitut za kovinske materiale in tehnologije
Institute of Metals and Technology. Materials testing, metallurgical analysis, NDT.
Sponsored listings
Frequently Asked Questions
SIST EN 12893:2002 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Copper and copper alloys - Determination of spiral elongation number". This standard covers: This European Standard specifies a method for performing the spiral elongation test on high purity copper drawing stock conforming to EN 1977, grade Cu-ETP1 (CW003A). The method has been designed for testing high purity copper sampled at the drawing stock stage. It is not relevant for assessing the quality of copper wire selected at a later stage of processing.
This European Standard specifies a method for performing the spiral elongation test on high purity copper drawing stock conforming to EN 1977, grade Cu-ETP1 (CW003A). The method has been designed for testing high purity copper sampled at the drawing stock stage. It is not relevant for assessing the quality of copper wire selected at a later stage of processing.
SIST EN 12893:2002 is classified under the following ICS (International Classification for Standards) categories: 77.120.30 - Copper and copper alloys. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 12893:2002 has the following relationships with other standards: It is inter standard links to SIST EN 1977:2013. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 12893:2002 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Baker in bakrove zlitine - Ugotavljanje spiralnega razteznostnega številaKupfer und Kupferlegierungen - Bestimmung der SpiralverlängerungszahlCuivre et alliages de cuivre - Détermination de l'indice d'allongement par spiraleCopper and copper alloys - Determination of spiral elongation number77.120.30Bak
...



