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How En 10269 Pdf Helps You Choose the Right Steels and Nickel Alloys for Fasteners in Different Temperature Conditions


En 10269 Pdf: What You Need to Know About Steels and Nickel Alloys for Fasteners




If you are looking for a reliable and comprehensive source of information on steels and nickel alloys for fasteners with specified elevated and/or low temperature properties, you may want to check out En 10269 Pdf. This is a European Standard that specifies the requirements, specifications, test methods, and general technical delivery conditions for semi-finished products, bars and rods for fasteners made of non-alloy and alloy (including stainless) steels and nickel alloys. In this article, we will explain what En 10269 Pdf is, why it is important, what are its main features and benefits, and how to access and use it.




En 10269 Pdf



Introduction




En 10269 Pdf is a European Standard that was published by CEN (European Committee for Standardization) in January 2014. It replaces EN 10269:1999, which was withdrawn in April 2014. It also incorporates corrigenda nos. 1, 2, and 3, amendment no. 1, and directive no. 2014/68/EU.


En 10269 Pdf is important because it provides a harmonized set of rules and guidelines for steels and nickel alloys for fasteners with properties specified at elevated and/or low temperatures. These fasteners are used in various applications such as pressure equipment, pipelines, valves, flanges, fittings, etc. where they have to withstand high or low temperatures without compromising their performance or safety.


Some of the main features and benefits of En 10269 Pdf are:



  • It covers a wide range of steels and nickel alloys for fasteners with different chemical compositions, mechanical properties, heat treatments, etc.



  • It specifies the minimum values of tensile strength, yield strength, elongation, impact energy, hardness, etc. for steels and nickel alloys for fasteners at elevated and/or low temperatures.



  • It provides the test methods and procedures for determining the chemical composition and mechanical properties of steels and nickel alloys for fasteners.



  • It defines the general technical delivery conditions in accordance with EN 10021, such as product analysis, inspection documents, marking, packaging, etc.



  • It is compatible with the essential safety requirements of directive 2014/68/EU on the harmonisation of the laws of the member states relating to the making available on the market of pressure equipment.



To access and use En 10269 Pdf, you can buy or download it from various online platforms such as CEN, Iteh, Vdocuments, etc. You can also read it for free on e-Library for one day. You will need a PDF reader to open and view the document. You can also print or save it for future reference.


Steels and Nickel Alloys for Fasteners with Specified Elevated and/or Low Temperature Properties




Scope and Application of En 10269 Pdf




En 10269 Pdf applies to semi-finished products, bars and rods for fasteners with properties specified at elevated and/or low temperatures made of non-alloy and alloy (including stainless) steels and nickel alloys. The fasteners include bolts, screws, studs, nuts, washers, pins, etc.


The types and grades of steels and nickel alloys covered by En 10269 Pdf are given in Table 1 of the document. They are classified into four groups:



  • Non-alloy quality steels (e.g. P235GH, P265GH, P295GH, P355GH)



  • Non-alloy special steels (e.g. 16Mo3, 13CrMo4-5, 10CrMo9-10)



  • Stainless steels (e.g. X6CrNiTi18-10, X6CrNiMoTi17-12-2, X2CrNiMoN22-5-3)



  • Nickel alloys (e.g. NiCu30Fe1Mn1NbSi, NiCr21Mo14W)



The requirements and specifications for semi-finished products, bars and rods for fasteners are given in Tables 2 to 7 of the document. They include:



  • The dimensions and tolerances of the products



  • The condition of delivery (e.g. hot rolled, cold drawn, annealed, quenched and tempered, etc.)



  • The surface quality and defects (e.g. cracks, seams, laps, etc.)



  • The internal soundness and non-destructive testing (e.g. ultrasonic testing)



  • The sampling and preparation of test pieces



The general technical delivery conditions in EN 10021 also apply to products supplied in accordance with En 10269 Pdf. They include:



  • The product analysis and permissible deviations from the specified chemical composition



  • The inspection documents and certificates to be provided by the manufacturer or supplier



  • The marking of the products with the manufacturer's name or trademark, the steel name or number, the heat number or cast number, etc.



  • The packaging and protection of the products during transport and storage



Chemical Composition of Steels and Nickel Alloys for Fasteners




The chemical elements and their limits for steels and nickel alloys for fasteners are given in Table 8 of the document. They include:



  • The carbon equivalent value (CEV) for weldability assessment



  • The nitrogen content for improved corrosion resistance



  • The boron content for improved hardenability



  • The sulfur content for improved machinability



  • The phosphorus content for improved strength



  • The chromium content for improved oxidation resistance



  • The molybdenum content for improved creep resistance



  • The nickel content for improved low temperature toughness



  • The copper content for improved resistance to atmospheric corrosion



  • The titanium content for improved stabilization against intergranular corrosion



  • The niobium content for improved grain refinement and precipitation hardening



  • The vanadium content for improved strength and toughness



  • The tungsten content for improved high temperature strength



of the ladle analysis shall be reported in the inspection document. A product analysis may be carried out by the purchaser in accordance with EN ISO 14284 or EN ISO 4948-2. The permissible deviations from the specified chemical composition for product analysis are given in Table 9 of the document.


Mechanical Properties of Steels and Nickel Alloys for Fasteners




The mechanical properties and their test methods for steels and nickel alloys for fasteners are given in Tables 10 to 15 of the document. They include:



  • The tensile strength (Rm), yield strength (Re or Rp0.2), elongation (A), reduction of area (Z), and hardness (HB) at ambient temperature



  • The impact energy (KV) at elevated and/or low temperatures



  • The creep rupture strength (Rm) and creep rupture elongation (A) at elevated temperatures



  • The stress rupture strength (Rm) and stress rupture elongation (A) at elevated temperatures



  • The relaxation properties at elevated temperatures



To determine the mechanical properties of steels and nickel alloys for fasteners, a tensile test shall be carried out by the manufacturer in accordance with EN ISO 6892-1 or EN ISO 6892-2. The test pieces shall be taken from the products in the condition of delivery. The results of the tensile test shall be reported in the inspection document. An impact test may be carried out by the purchaser in accordance with EN ISO 148-1 or EN ISO 148-2. The test pieces shall be taken from the products in the condition of delivery or after simulated heat treatment. The results of the impact test shall be reported in the inspection document. A creep test or a stress rupture test may be carried out by the purchaser in accordance with EN ISO 204 or EN ISO 10314. The test pieces shall be taken from the products in the condition of delivery or after simulated heat treatment. The results of the creep test or the stress rupture test shall be reported in the inspection document. A relaxation test may be carried out by the purchaser in accordance with EN ISO 20483. The test pieces shall be taken from the products in the condition of delivery or after simulated heat treatment. The results of the relaxation test shall be reported in the inspection document.


The permissible deviations from the specified mechanical properties for steels and nickel alloys for fasteners are given in Table 16 of the document. They include:



  • The upper and lower limits for tensile strength, yield strength, elongation, reduction of area, hardness, and impact energy



  • The minimum values for creep rupture strength, creep rupture elongation, stress rupture strength, stress rupture elongation, and relaxation properties



Conclusion




In conclusion, En 10269 Pdf is a useful and authoritative document that provides valuable information on steels and nickel alloys for fasteners with specified elevated and/or low temperature properties. It covers a wide range of materials, requirements, specifications, test methods, and general technical delivery conditions for semi-finished products, bars and rods for fasteners. It also complies with the essential safety requirements of directive 2014/68/EU on pressure equipment.


If you are interested in learning more about En 10269 Pdf or other related topics, we recommend you to:



  • Buy or download En 10269 Pdf from CEN, Iteh, Vdocuments, etc.



  • Read other European Standards on steels and nickel alloys for fasteners such as EN 10088-1, EN 10088-2, EN 10088-3, EN 10088-4, EN 10088-5, etc.



  • Consult other sources of information on steels and nickel alloys for fasteners such as books, journals, websites, etc.



FAQs




What is the difference between En 10269 Pdf and BS EN 10269:1999?




En 10269 Pdf is the latest version of the European Standard on steels and nickel alloys for fasteners with specified elevated and/or low temperature properties. It replaces BS EN 10269:1999, which was withdrawn in April 2014. En 10269 Pdf incorporates corrigenda nos. 1, 2, and 3, amendment no. 1, and directive no. 2014/68/EU. Some of the main differences between En 10269 Pdf and BS EN 10269:1999 are:



  • En 10269 Pdf includes more types and grades of steels and nickel alloys for fasteners, such as P235GH, P265GH, P295GH, P355GH, 16Mo3, 13CrMo4-5, 10CrMo9-10, X6CrNiTi18-10, X6CrNiMoTi17-12-2, X2CrNiMoN22-5-3, NiCu30Fe1Mn1NbSi, NiCr21Mo14W, etc.



  • En 10269 Pdf specifies the minimum values of mechanical properties for steels and nickel alloys for fasteners at elevated and/or low temperatures, such as tensile strength, yield strength, elongation, impact energy, hardness, creep rupture strength, creep rupture elongation, stress rupture strength, stress rupture elongation, relaxation properties, etc.



  • En 10269 Pdf provides the test methods and procedures for determining the chemical composition and mechanical properties of steels and nickel alloys for fasteners, such as ladle analysis, product analysis, tensile test, impact test, creep test, stress rupture test, relaxation test, etc.



  • En 10269 Pdf defines the general technical delivery conditions in accordance with EN 10021, such as product analysis, inspection documents, marking, packaging, etc.



  • En 10269 Pdf is compatible with the essential safety requirements of directive 2014/68/EU on the harmonisation of the laws of the member states relating to the making available on the market of pressure equipment.



What are the advantages of using steels and nickel alloys for fasteners with specified elevated and/or low temperature properties?




Some of the advantages of using steels and nickel alloys for fasteners with specified elevated and/or low temperature properties are:



  • They have high strength and toughness at elevated and/or low temperatures



  • They have good resistance to oxidation and corrosion at elevated and/or low temperatures



  • They have good weldability and machinability at elevated and/or low temperatures



  • They have good creep resistance and stress rupture resistance at elevated temperatures



  • They have good relaxation properties at elevated temperatures



  • They comply with the essential safety requirements of directive 2014/68/EU on pressure equipment



How to verify that the steels and nickel alloys for fasteners comply with En 10269 Pdf?




To verify that the steels and nickel alloys for fasteners comply with En 10269 Pdf, you can:



  • Check the inspection documents and certificates provided by the manufacturer or supplier



  • Check the marking of the products with the manufacturer's name or trademark, the steel name or number, the heat number or cast number, etc.



  • Perform a product analysis to determine the chemical composition of the products



  • Perform a tensile test to determine the mechanical properties of the products at ambient temperature



  • Perform an impact test to determine the mechanical properties of the products at elevated and/or low temperatures



  • Perform a creep test or a stress rupture test to determine the mechanical properties of the products at elevated temperatures



  • Perform a relaxation test to determine the relaxation properties of the products at elevated temperatures



Where can I buy or download En 10269 Pdf?




You can buy or download En 10269 Pdf from various online platforms such as CEN (European Committee for Standardization), Iteh (International Technical Harmonization), Vdocuments (Virtual Documents), etc. You can also read it for free on e-Library (Electronic Library) for one day. You will need a PDF reader to open and view the document. You can also print or save it for future reference.


How often is En 10269 Pdf updated or revised?




En 10269 Pdf is updated or revised periodically by CEN (European Committee for Standardization) in accordance with its rules and procedures. The current version of En 10269 Pdf was published in January 2014. It incorporates corrigenda nos. 1, 2, and 3, amendment no. 1, and directive no. 2014/68/EU. The previous version of En 10269 Pdf was published in November 1999. It was withdrawn in April 2014. The next revision or update of En 10269 Pdf is expected in January 2024. 71b2f0854b


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