SIST EN 10253-1:2000
(Main)Butt-welding pipe fittings - Part 1: Wrought carbon steel for general use and without specific inspection requirements
General Information
- Abstract
This European Standard specifies requirements for steel butt-welding fittings (elbows and return bends, concentric and eccentric reducers, equal and reducing tees, dished ends and caps) made of wrought carbon steel and delivered without specific inspection. The fittings described in this European Standard do not fulfil specific design requirements; consequently they cannot be considered as conforming to the Essential Requirements of the Pressure Equipment Directive (Directive 97/23/EC of 29.05.1997).
- Status
- Withdrawn
- Publication Date
- 31-Oct-2000
- Withdrawal Date
- 19-Aug-2026
- Technical Committee
- IFEK - Ferrous metals
- Current Stage
- 9900 - Withdrawal (Adopted Project)
- Start Date
- 20-Aug-2026
- Due Date
- 12-Sep-2026
- Completion Date
- 20-Aug-2026
Overview
EN 10253-1:1999 - Butt-welding pipe fittings - Part 1: Wrought carbon steel for general use and without specific inspection requirements (CEN) specifies requirements for a range of butt-welding pipe fittings manufactured from wrought carbon steel and delivered without specific inspection. The standard covers common fittings such as elbows, return bends, concentric and eccentric reducers, equal and reducing tees, dished ends and caps. Note: fittings made to this part do not fulfill specific design requirements and therefore cannot be considered to meet the Essential Requirements of the Pressure Equipment Directive (Directive 97/23/EC).
Key topics
- Scope of materials: Requirements apply to wrought carbon steel fittings intended for general use.
- Fitting types covered: Elbows, return bends, concentric and eccentric reducers, equal and reducing tees, dished ends and caps designed for butt-welding.
- Delivery condition: Fittings are supplied without specific inspection requirements (general delivery basis rather than PED-level design verification).
- Limitations: Explicitly states fittings do not meet the Essential Requirements of the Pressure Equipment Directive - important for pressure-system compliance and certification.
- Manufacturing focus: Standardizes the types and general acceptance criteria for butt-weld fabrication and supply of carbon steel pipe fittings for non-specific inspection contexts.
Practical applications
- Industrial piping for general service where codes requiring PED-level design verification are not applicable.
- Fabrication and plant construction where standard butt-weld fittings in carbon steel are required for low-to-moderate duty piping systems.
- Replacement and maintenance parts procurement for systems that do not demand specific inspection or pressure-equipment certification.
- HVAC, drainage, and general utility piping where material and fitting geometry conform to standard butt-weld joining techniques.
Who uses this standard
- Pipe and fitting manufacturers producing wrought carbon steel butt-welding fittings for general supply.
- Piping designers and engineers specifying fittings for non-PED applications.
- Procurement and quality teams selecting or accepting fittings delivered without specific inspection.
- Fabricators and welders who need to understand the scope and limitations of supplied fittings.
Related standards
- Other parts of the EN 10253 series (for fittings supplied with specific inspection or different material/inspection classes) and applicable pressure-equipment regulations (e.g., Directive 97/23/EC) should be consulted when fittings are intended for pressure-bearing applications or when certification is required.
Keywords: EN 10253-1, butt-welding pipe fittings, wrought carbon steel, carbon steel fittings, CEN standard, pipe elbows, reducers, tees, dished ends, pressure equipment directive.
Relations
- Effective Date
- 19-Aug-2026
- Effective Date
- 12-Aug-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- Effective Date
- 28-Jan-2026
- 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.
Institut za varilstvo d.o.o. (Welding Institute)
Slovenia's leading welding institute since 1952. ISO 3834, EN 1090, pressure equipment certification, NDT personnel, welder qualification. Only IIW Au
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Frequently Asked Questions
SIST EN 10253-1:2000 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Butt-welding pipe fittings - Part 1: Wrought carbon steel for general use and without specific inspection requirements". This standard covers: This European Standard specifies requirements for steel butt-welding fittings (elbows and return bends, concentric and eccentric reducers, equal and reducing tees, dished ends and caps) made of wrought carbon steel and delivered without specific inspection. The fittings described in this European Standard do not fulfil specific design requirements; consequently they cannot be considered as conforming to the Essential Requirements of the Pressure Equipment Directive (Directive 97/23/EC of 29.05.1997).
This European Standard specifies requirements for steel butt-welding fittings (elbows and return bends, concentric and eccentric reducers, equal and reducing tees, dished ends and caps) made of wrought carbon steel and delivered without specific inspection. The fittings described in this European Standard do not fulfil specific design requirements; consequently they cannot be considered as conforming to the Essential Requirements of the Pressure Equipment Directive (Directive 97/23/EC of 29.05.1997).
SIST EN 10253-1:2000 is classified under the following ICS (International Classification for Standards) categories: 23.040.40 - Metal fittings; 77.140.45 - Non-alloyed steels. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 10253-1:2000 has the following relationships with other standards: It is inter standard links to SIST ISO 3166:1996, SIST EN ISO 4885:2026, SIST EN ISO 4885:2018, SIST EN ISO 10893-10:2011, SIST EN 10079:2007, SIST EN ISO 10893-11:2011, SIST EN 10021:2007, SIST CWA 14659:2004, SIST EN ISO 6506-1:2014, SIST EN ISO 9606-1:2018, SIST EN ISO 15607:2020, SIST EN 10204:2004, SIST EN ISO 6708:1998, SIST EN ISO 6892-1:2020, SIST EN 10020:2000. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 10253-1:2000 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.Cevni fitingi za soležne zvare - 1. del: Ogljikovo jeklo za splošno uporabo in brez posebnih zahtev kontroleFormstücke zum Einschweißen - Teil 1: Unlegierter Stahl für allgemeine Anwendungen und ohne besondere PrüfanforderungenRaccords a souder bout a bout - Partie 1: Acier au carbone pour usages généraux et sans contrôle spécifiqueButt-welding pipe fittings - Part 1: Wrought carbon steel for general use and without specific inspection requirements77.140.45Nelegirana jeklaNon-alloyed steels23.040.40Kovinski fitingiMetal fittingsICS:Ta slovenski standard je istoveten z:EN 10253-1:1999SIST EN 10253-1:2000en01-november-2000SIST EN 10253-1:2000SLOVENSKI
STANDARD
SIST EN 10253-1:2
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