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BS EN 10269:1999+A1:2006:2009 Edition

BS EN 10269:1999+A1:2006:2009 Edition

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Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Published By Publication Date Number of Pages
BSI 2009 42
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PDF Pages PDF Title
1 BRITISH STANDARD
BS EN 10269:1999
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
2 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1999
National foreword
3 EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
EN 10269
+ A1
English version
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
5 Page
Foreword 2
1 Scope 5
2 Normative references 5
3 Definitions 5
4 Dimensions and tolerances on dimensions 6
5 Calculation of mass 6
6 Classification and designation 6
6.1 Classification 6
6.2 Designation 6
7 Information to be supplied by the purchaser 6
7.1 Mandatory information 6
7.2 Options 7
7.3 Example of ordering 7
8 Requirements 7
8.1 Melting process 7
8.2 Delivery condition 7
8.3 Chemical composition 7
8.4 Mechanical properties 8
8.5 Surface condition 8
8.6 Internal soundness 8
9 Inspection 8
9.1 Types of inspection and inspection documents 8
9.2 Tests to be carried out 9
9.3 Re-tests, sorting and reprocessing 9
10 Sampling 9
10.1 Frequency of testing 9
10.2 Selection and preparation of samples and test pieces 9
11 Test methods 10
11.1 Chemical analysis 10
11.2 Hardness test 10
11.3 Tensile test at room temperature 10
11.4 Tensile test at elevated temperature 10
11.5 Impact test 10
11.6 Other testing 10
12 Marking 10
Annex A (informative) Reference data on some physical properties 23
Annex B (informative) Guidance for heat treatment 25
Annex C (informative) Reference data of strength values for 1 % (plastic) creep strain and creep rupture 27
Page
Annex D (informative) Reference data for the relaxation properties 35
Annex E (informative) 37
Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC 38
Figure 1 – Position of test pieces (longitudinal test pieces) 11
Table 1 – Chemical composition (cast analysis) 12
Table 2 – Permissible product analysis tolerances on the limiting values given in Table 1 for the cast analysis 14
Table 3 – Mechanical properties at room temperature for delivery conditions normally applied for further processing 15
Table 4 – Mechanical properties at room temperature for delivery conditions normally applied as final heat treatment 16
Table 5 – Minimum 0,2 %-proof strength values at elevated temperatures 18
Table 6 – Minimum tensile strength values at elevated temperatures of austenitic steels and nickel alloys 20
Table 7 – Minimum impact energy (longitudinal direction) at low temperature 21
Table 8 – Tests to be carried out and extent of testing 22
Table 9 – Marking of the products 22
Table A.1 – Density and static modulus of elasticity 23
Table A.2 – Coefficient of thermal expansion, thermal conductivity, thermal capacity and electrical resistivity 24
Table B.1 – Guidance for heat treatment of the products in accordance with this European Standard 25
Table C.1 – Strength values for 1 % (plastic) creep strain and creep rupture 27
Table D.1 – Reference data for the relaxation properties 35
7 1 Scope
2 Normative references
3 Definitions
3.1 For the purpose of this European Standard the definitions in
8 3.2 purchaser
4 w Dimensions and tolerances on dimensions
5 Calculation of mass
6 Classification and designation
6.1 Classification
6.2 Designation
7 Information to be supplied by the purchaser
7.1 Mandatory information
a) the quantity required (mass or number of pieces);
b) the type of product;
c) the European Standard specifying the tolerances on dimensions and shape (see clause 4) and the tolerance of mass and, if the …
d) the nominal dimensions of the product;
e) the number of this European Standard;
f) the material name or number;
g) the delivery condition (see 8.2.1);
h) the surface quality class (see 8.5);
i) the type of inspection document (see 9.1.1).
9 7.2 Options
1) special melting process (see 8.1);
2) test on simulated treated samples (see 8.2.2);
3) stress relieving treatment (see 8.2.3);
4) !verification of internal soundness (see 8.6 and Table 8, footnote f);
5) inspection certificate 3.2 (see 9.1);
6) product analysis and its extent (see Table 8, footnote b);
7) tensile test at elevated temperatures (see Table 8, footnote c);
8) impact test at room temperature for austenitic steels (see Table 8, footnote d);
9) impact test at low temperature (see Table 8, footnote e; 11.5);
10) additional tests (see Table 8, footnote g);
11) specification of an analytical method (see 11.1);
12) number of test pieces for the product analysis (see 10.1.1);
13) temperature for the tensile test at elevated temperature (see 11.4);
14) special marking (see 12.2).”
7.3 Example of ordering
2 t rounds EN 10060-30-Steel EN 10269-X8Ni9-EN 10221-class B-Inspection certificate 3.1
2 t rounds EN 10060-30-Steel EN 10269-1.5662-EN 10221-class B-Inspection certificate 3.1″
8 Requirements
8.1 ww Melting process
8.2 Delivery condition
8.2.1 w Table 3 covers delivery conditions +A, +S, +AC normally applied for further processing (such as shearing, cold heading, etc.).
8.2.2 ww When delivery in a condition not covered in Table 4 is agreed, for the verification of compliance with the requirements…
8.2.3 ww By agreement at the time of enquiry and order, for the steels for quenching and tempering a stress relieving treatment after straightening may be specified. See footnote c to Table B.1.
8.3 Chemical composition
8.3.1 The information in Table 1 applies for the chemical composition according to the cast analysis.
8.3.2 The product analysis shall not deviate from the specified values of the cast analysis as specified in Table 1 by more than the values given in Table 2.
10 8.4 Mechanical properties
8.4.1 General
8.4.2 Hardness and mechanical properties at room temperature
8.4.3 Mechanical properties at elevated temperatures
8.4.4 Mechanical properties at low temperatures
8.5 w Surface condition
8.6 ww Internal soundness
9 Inspection
9.1 Types of inspection and inspection documents
9.1.1 w The compliance with the requirements of the order shall be checked for products in accordance with this European Standard by non-specific or specific inspection.
9.1.2 If a test report 2.2 is ordered, this shall include, in accordance with EN 10168, the following codes and information:
11 9.1.3 If an inspection certificate 3.1 or an inspection certificate 3.2 is ordered, this shall include, in accordance with EN 10168, the following codes and information:
9.2 Tests to be carried out
9.3 Re-tests, sorting and reprocessing
10 Sampling
10.1 Frequency of testing
10.1.1 ww For the product analysis, unless otherwise agreed, one sample per cast shall be taken for determining the elements indicated with numerical values for the particular steel grade in Table 1.
10.1.2 The test unit for the other tests shall be the batch of products or part thereof coming from the same cast and having bee…
10.2 Selection and preparation of samples and test pieces
10.2.1 Sampling and sample preparation
10.2.1.1 Sampling and sample preparation shall be in accordance with the requirements of !EN ISO 14284″ and EN ISO 377. In addition, the requirements in 10.2.2 shall apply to the mechanical tests.
10.2.1.2 If the products are not to be delivered in the usual delivery condition (see 8.2.2), the samples shall be treated to the usual delivery condition prior to the test.
10.2.1.3 The samples shall be taken in accordance with Figure 1. All test pieces including those for the hardness test shall be taken from the same location.
10.2.2 Preparation of test pieces
10.2.2.1 Round test pieces shall be prepared in accordance with Figure 1 for the tensile test at room temperature in accordance with EN 10002-1 and, where applicable, for the tensile test at elevated temperature in accordance with EN 10002-5.
10.2.2.2 Three longitudinal V-notched test pieces in accordance with EN 10045-1 shall be prepared for the impact test.
12 11 Test methods
11.1 ww Chemical analysis
11.2 Hardness test
11.3 Tensile test at room temperature
11.4 ww Tensile test at elevated temperature
11.5 ww Impact test
a) the mean value of six tests shall be greater than or equal to the specified minimum value;
b) not more than two of the six individual values shall be less than the specified minimum value;
c) not more than one of the six individual values shall be less than 70 % of the specified minimum value.
11.6 Other testing
11.6.1 Visual examination of the surface condition shall be carried out without optical aids.
11.6.2 The dimensions of the products shall be checked.
11.6.3 If an non-destructive (e.g. ultrasonic) test has been agreed for checking internal soundness (see 8.6), the requirements shall also be agreed.
11.6.4 The manufacturer shall take suitable measures to prevent materials becoming mixed up.
12 Marking
12.1 The products or the bundles or boxes shall be marked in a suitable way such that it is possible to determine the cast, the steel grade and the origin of the delivery (see Table 9).
12.2 ww Special marking may be agreed at the time of enquiry and order.
13 a For products of a round cross-section the axis of the notch is approximately a diagonal; for products with a rectangular cross-section the axis of the notch is perpendicular to the greatest rolled surface.
Figure 1 – Position of test pieces (longitudinal test pieces)
14 Table 1 – !Chemical composition (cast analysis)a
15 Table 1 – !Chemical composition (cast analysis)a
a Elements not listed in this table may not be intentionally added to the steel without the agreement of the purchaser except fo…
b A controlled sulfur content of 0,015 % to 0,030 % improves the machinability and is therefore recommended.
16 Table 2 – !Permissible product analysis tolerances on the limiting values given in Table 1 for the cast analysis
17 Table 2 – !Permissible product analysis tolerances on the limiting values given in Table 1 for the cast analysis
a If several product analyses are carried out on one cast, and the contents of an individual element determined lie outside the …
b For nickel alloys.
Table 3 – Mechanical properties at room temperature for delivery conditions normally applied for further processing
a + AC = annealed to achieve spheroidized carbides;
18 Table 4 – Mechanical properties at room temperature for delivery conditions normally applied as final heat treatment
19 Table 4 – Mechanical properties at room temperature for delivery conditions normally applied as final heat treatment
a +AT = solution annealed; +C = cold work hardened; +N = normalized; +NT = normalized and tempered;
b Products made to these material grades and to this heat treatment conditions respectively !do not” support the essential requirements of Directive 97/23/EC unless other criteria are taken into account, see Annex 1, section 7.5 of this directive
20 Table 5 – Minimum 0,2 %-proof strength values at elevated temperatures
21 Table 5 – Minimum 0,2 %-proof strength values at elevated temperatures
a + AT = solution annealed; + N = normalized; + NT = normalized and tempered;
b This steel grade is generally not applied in the creep range.
c values calculated by linear interpolation
22 Table 6 – Minimum tensile strength values at elevated temperatures of austenitic steels and nickel alloys
a + AT = solution annealed; + N = normalized; + NT = normalized and tempered;
b n.a. no values available.
c Values calculated by linear interpolation.
23 Table 7 – Minimum impact energy (longitudinal direction) at low temperature
a + AT = solution annealed; + C = cold work hardened; + N = normalized; + NT = normalized and tempered; + P = precipitation hardened;
b Average of 3 test results.
24 Table 8 – !Tests to be carried out and extent of testing
a Tests marked with an “m” (mandatory) shall be carried out. In all cases, those marked with an “o” (optional) shall be carried out as specific tests only if agreed at the time of enquiry and order.
b ww A product analysis (per cast) may be agreed at the time of enquiry and order; additionally a deviating extent of testing may be agreed (see 10.1.1).
c ww For verification of Rp0,2 and, in the case of austenitic steels and nickel alloys, of the tensile strength at elevated temperatures for products to be used at elevated temperatures.
d ww Optional for austenitic steels, except austenitic grades for cryogenic service (> 20 mm diameter or thickness).
e ww For materials for use at low temperatures.
f For verification of internal soundness.
g See 11.6.1 and 11.6.2.
Table 9 – Marking of the products
a The symbols in the table mean:
b The numbers or letters used for identification shall allow the product(s) to be related to the relevant inspection document.
c This shall permit the traceability of the cast number.
25 Table A.1 – !Density and static modulus of elasticity
a Dynamic modulus of elasticity.
26 Table A.2 – !Coefficient of thermal expansion, thermal conductivity, thermal capacity and electrical resistivitya
a n.a.-no values available
27 Table B.1 – Guidance for heat treatment of the products in accordance with this European Standard
28 Table B.1 – Guidance for heat treatment of the products in accordance with this European Standard
a + AT = solution annealed; + N = normalized; + NT = normalized and tempered; + P = precipitation hardened; + QT = quenched and tempered; + WW = warm worked;
b a = air; o = oil; w = water.
c Where in accordance with 8.2.3 a stress relieving after straightening has been agreed, the stress relieving temperature shall be chosen so that the specified properties are still obtained.
d For diameters k 100 mm.
e For diameters > 100 to k 160 mm.
f Temperature range of warmworking.
g warm worked at 750 to 850 °C.
h Cooling sufficiently rapid.
29 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
30 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
31 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
32 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
33 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
34 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
35 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
36 Table C.1 – Strength values for 1 % (plastic) creep strain and creep ruptureab
a The values given in this table are the mean values of the scatter band so far obtained, which will be checked from time to time as further test results become available and if necessary corrected.
b * and () indicate values of extended stress extrapolation or time extrapolation, respectively.
c This is the stress relative to the initial cross-section leading to a permanent elongation of 1 % after 10 000 h and 100 000 h.
d This is the stress relative to the initial cross-section leading to fracture after 10 000 h, 100 000 h and 200 000 h.
37 Table D.1 – Reference data for the relaxation propertiesa
38 Table D.1 – Reference data for the relaxation propertiesa
39 Table D.1 – Reference data for the relaxation propertiesa
a The values given in this table are the mean values of the scatter band so far obtained, which will be checked from time to time as further test results become available and if necessary corrected.
40 Table ZA.1 – Correspondence between this European Standard and the essential requirements of the EU Directive 97/23/EC, Annex I
42 BS EN 10269:1999
BS EN 10269:1999+A1:2006
$167.15