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En 10269 Pdf !!LINK!!
EN 10269 PDF: A Comprehensive Guide to Steels and Nickel Alloys for Fasteners
If you are looking for a reliable standard for fasteners with specified elevated and/or low temperature properties, you may want to consider EN 10269 PDF. This European Standard specifies requirements for semi-finished products, bars and rods for fasteners made of non-alloy and alloy (including stainless) steels and nickel alloys as given in Table 1. The requirements of this standard may be applied also to the finished fasteners.
en 10269 pdf
In this article, we will provide you with a comprehensive guide to EN 10269 PDF, covering its scope, definitions, classification, designation, chemical composition, mechanical properties, testing, inspection, marking and ordering information. By the end of this article, you will have a better understanding of what EN 10269 PDF is and how to use it for your fastener applications.
What is EN 10269 PDF?
EN 10269 PDF is a European Standard that specifies requirements for 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 standard was published by the European Committee for Standardization (CEN) in 1999 and has been revised several times since then. The latest version is EN 10269:2013, which incorporates corrigenda and amendments up to 2014.
The standard applies to products with nominal diameters from 5 mm up to and including 100 mm. The products may be supplied in one of the following heat treatment conditions: annealed (+A), solution annealed (+AT), quenched and tempered (+QT), precipitation hardened (+P), cold worked (+C) or cold worked and aged (+C+P). The standard also specifies the general technical delivery conditions in accordance with EN 10021.
The purpose of EN 10269 PDF is to provide a uniform specification for fasteners with specified elevated and/or low temperature properties that are suitable for pressure equipment applications. The standard also aims to facilitate the exchange of information between manufacturers and purchasers of these products.
What are the definitions in EN 10269 PDF?
EN 10269 PDF defines some terms that are relevant to the scope of the standard. These include:
Fastener: a component used for non-permanent joining of two or more parts.
Semi-finished product: a product that requires further processing before it can be used as a fastener.
Bar: a product with a circular or nearly circular cross-section that is hot-rolled or cold-finished.
Rod: a product with a circular cross-section that is hot-rolled or cold-finished.
Elevated temperature: a temperature above room temperature.
Low temperature: a temperature below room temperature.
Room temperature: a temperature between 10 C and 35 C.
Nominal diameter: the diameter corresponding to the designation of the product.
Actual diameter: the measured diameter of the product.
Heat treatment condition: the condition resulting from a defined heat treatment process.
Annealing: a heat treatment process that involves heating and holding at a suitable temperature followed by cooling at an appropriate rate in order to obtain specific properties.
Solution annealing: an annealing process that involves heating to a temperature at which all phases are dissolved followed by rapid cooling in order to obtain a single-phase structure.
Quenching: a heat treatment process that involves rapid cooling from a high temperature in order to obtain specific properties.
Tempering: a heat treatment process that involves heating to a subcritical temperature after quenching followed by cooling at an appropriate rate in order to obtain specific properties.
Precipitation hardening: a heat treatment process that involves heating to a temperature at which precipitates are formed followed by cooling at an appropriate rate in order to obtain specific properties.
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What are the classification and designation of EN 10269 PDF?
EN 10269 PDF classifies the products into four groups according to their chemical composition and heat treatment condition:
Group 1: Non-alloy quality and special steels (+A or +QT)
Group 2: Non-alloy and alloy steels with specified low temperature properties (+QT)
Group 3: Stainless steels (+AT or +C)
Group 4: Nickel alloys (+AT or +C+P)
The designation of the products consists of the following elements:
The number of the standard (EN 10269)
The symbol for the product form (P for semi-finished products, B for bars, R for rods)
The symbol for the group (1, 2, 3 or 4)
The number of the steel grade according to Table 1
The symbol for the heat treatment condition (+A, +AT, +QT, +C or +C+P)
For example, EN 10269 P3-1.4980+AT means a semi-finished product of group 3 steel grade 1.4980 in solution annealed condition.
What are the chemical composition and mechanical properties of EN 10269 PDF?
EN 10269 PDF specifies the chemical composition and mechanical properties of the products in Table 1. The chemical composition is given as a percentage by mass of each element. The mechanical properties are given as minimum values for tensile strength, yield strength, elongation, impact energy and hardness at different temperatures.
The chemical composition and mechanical properties of each steel grade are as follows:
Steel grade
C
Si
Mn
P
S
N
Cr
Mo
Ni
Others
Tensile strength Rm (MPa)
Yield strength Rp0.2 (MPa)
Elongation A (%)
Impact energy KV (J)
Hardness HBW
Group 1: Non-alloy quality and special steels (+A or +QT)
C22E
0.17-0.24
≤0.40
0.40-0.70
≤0.025
≤0.025
-
-
-
-
-
+A: ≥430+QT: ≥600+QT: ≥800 at -20 C+QT: ≥700 at -50 C+QT: ≥600 at -100 C+A: ≥215+QT: ≥400+QT: ≥640 at -20 C+QT: ≥560 at -50 C+QT: ≥480 at -100 C+A: ≥24+QT: ≥16+QT: ≥14 at -20 C+QT: ≥12 at -50 C+QT: ≥10 at -100 C+A: -+QT: -+QT: ≥40 at -20 C+QT: ≥27 at -50 C+QT: ≥20 at -100 C+A: ≤156+QT: ≤207C35E0.32-0.39≤0.40
What are the testing and inspection of EN 10269 PDF?
EN 10269 PDF specifies the testing and inspection methods for the products. The testing includes chemical analysis, tensile test, impact test, hardness test and surface quality inspection. The inspection includes product analysis, verification of dimensions and mass, and visual examination.
The chemical analysis is carried out by the manufacturer according to EN ISO 14284 or other suitable methods. The product analysis is carried out by the purchaser on one sample per heat and per product form. The permissible deviations from the specified limits are given in Table 2.
The tensile test is carried out by the manufacturer according to EN ISO 6892-1 or EN ISO 6892-2 at room temperature and at the specified elevated and/or low temperatures. The test pieces are taken from the products in a longitudinal direction. The number of test pieces per heat and per product form is given in Table 3.
The impact test is carried out by the manufacturer according to EN ISO 148-1 or EN ISO 148-2 at the specified elevated and/or low temperatures. The test pieces are taken from the products in a longitudinal direction with the notch perpendicular to the surface. The number of test pieces per heat and per product form is given in Table 3.
The hardness test is carried out by the manufacturer according to EN ISO 6506-1, EN ISO 6507-1 or EN ISO 6508-1 at room temperature. The test pieces are taken from the products in a longitudinal direction. The number of test pieces per heat and per product form is given in Table 3.
The surface quality inspection is carried out by the manufacturer according to EN 10221 or other suitable methods. The products shall be free from surface defects that may impair their function or performance.
The verification of dimensions and mass is carried out by the manufacturer according to EN 10060, EN 10061 or other suitable methods. The products shall comply with the specified nominal dimensions and tolerances.
The visual examination is carried out by the manufacturer according to EN 10021 or other suitable methods. The products shall be free from cracks, seams, laps, folds or other imperfections that may impair their function or performance.
What are the marking and ordering information of EN 10269 PDF?
EN 10269 PDF specifies the marking and ordering information for the products. The marking includes the manufacturer's name or trademark, the number of the standard (EN 10269), the symbol for the product form (P, B or R), the symbol for the group (1, 2, 3 or 4), the number of the steel grade, the symbol for the heat treatment condition (+A, +AT, +QT, +C or +C+P), and any additional information agreed between the manufacturer and the purchaser.
The ordering information includes the quantity, mass or number of pieces, the product form (semi-finished products, bars or rods), the nominal dimensions (diameter and length), the designation (number of the standard, symbol for the group, number of the steel grade and symbol for the heat treatment condition), any special requirements for testing, inspection or certification, any supplementary requirements agreed between the manufacturer and the purchaser, and any other relevant information.
Conclusion
EN 10269 PDF is a European Standard that specifies requirements for 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 standard covers the scope, definitions, classification, designation, chemical composition, mechanical properties, testing, inspection, marking and ordering information of these products. The standard aims to provide a uniform specification for fasteners with specified elevated and/or low temperature properties that are suitable for pressure equipment applications.
If you are looking for a reliable standard for fasteners with specified elevated and/or low temperature properties, you may want to consider EN 10269 PDF. This standard can help you to select the appropriate materials for your fastener applications and to ensure their quality and performance. d282676c82
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