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1、BRITISH STANDARD AEROSPACE SERIES BS S 164:2002 Superseding DTD 5082 Incorporating Corrigendum No. 1 1 % Chromium- molybdenum steel billets, bars, forgings and parts. (1 150 to 1 300 MPa: Limiting ruling section 16 mm) (Suitable for welding) ICS 49.025.10; 77.140.01 ? Licensed Copy: London South Ban
2、k University, London South Bank University, Sat Dec 09 03:06:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS S 164:2002 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee was published under the authority of the Standards Policy a
3、nd Strategy Committee on 31 August 2002 BSI 30 October 2002 The following BSI references relate to the work on this British Standard: Committee reference ACE/15 Draft for comment 01/708321 DC ISBN 0 580 39795 5 Committees responsible for this British Standard The preparation of this British Standard
4、 was entrusted by the Sector Policy and Strategy Committee to Technical Committee ACE/15, Wrought and cast steels for Aerospace, upon which the following bodies were represented. Confederation of British Metalforming Institute of Spring Technology Society of British Aerospace Companies Ltd. Ministry
5、 of Defence UK Defence Standardization Cast Metals Federation (CMF) Civil Aviation Authority Airworthiness UK Steel Association Amendments issued since publication Amd. No.DateComments 14162 Corrigendum No. 1 30 October 2002Corrections to Table 1, Table 2 and Table 3 Licensed Copy: London South Bank
6、 University, London South Bank University, Sat Dec 09 03:06:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS S 164:2002 BSI 30 October 2002 i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Normative references1 3Technical requirements1 Table 1 Technical requirements for 1
7、% chromium-molybdenum steel forging stock, billets and forgings2 Table 2 Technical requirements for 1% chromium-molybdenum steel black bars3 Table 3 Technical requirements for 1% chromium-molybdenum steel bright bars4 Bibliography5 Licensed Copy: London South Bank University, London South Bank Unive
8、rsity, Sat Dec 09 03:06:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS S 164:2002 ii BSI 30 October 2002 Foreword This British Standard has been prepared by Technical Committee ACE/15 under the direction of the Sector Policy and Strategy Committee. It is a conversion of, and supersedes, MOD(PE) Sp
9、ecification DTD 5082, which is withdrawn. The Ministry of Defence rendered all DTD Specifications obsolescent in 1999 and will withdraw them in 2003. Steel products of this composition are still required by the UK Aerospace industry, and this British Standard has been created to satisfy that continu
10、ing requirement. This British Standard incorporates the technical requirements of MOD(PE) Specification DTD 5082, updates the references, and presents the standard in a format compatible with other similar British Standards. This publication does not purport to include all the necessary provisions o
11、f a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This standard comprises a front cover, an inside front cover, pages i and ii, pages 1 to 5 and a back cover. The BSI copyrig
12、ht notice displayed in this document indicates when the document was last issued. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:06:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS S 164:2002 BSI 30 October 2002 1 1 Scope This British Standard specifies the
13、characteristics of a 1 % chromium-molybdenum steel for aerospace applications, supplied in the following forms and as parts, for general aerospace use: a) forging stock and billets and bars for subsequent working: softened, designation S 164A; b) forgings: softened, designation S 164C; c) forgings:
14、De?16 mm, hardened and tempered, designation S 164F; d) black bars for machining: softened, designation S 164B; e) black bars for machining: De?16 mm, hardened and tempered, designation S 164E; f) bright bars for machining: softened and subsequently cold drawn, cold rolled, machined or ground, desig
15、nation S 164D; g) bright bars for machining: De?16 mm, hardened and tempered, designation S 164G. 2 Normative references The following referenced documents are indispensable for the application of this document. For undated references, the latest edition of the publication referred to applies. BS 5S
16、 100:1993, Procedure for inspection, testing and acceptance of wrought steels (other than plate, sheet, strip and tube).1) 3 Technical requirements 3.1 The material in its delivery and use conditions shall comply with Table 1, Table 2, or Table 3 according to form. 3.2 Sulfur printing or deep etch t
17、esting shall be carried out in accordance with the latest edition of BS S 100. 3.3 The material shall be overall dressed at a suitable stage in manufacture. 3.4 Bar for machining, delivered in the hardened and tempered condition, which has been subjected to a cold straightening or cold working opera
18、tion after heat treatment shall be given a stress relieving heat treatment to restore the proof stress. 3.5 The equivalent diameter of parts or other products at final heat treatment shall be equal to, or less than the limiting ruling section of 16 mm. 3.6 Parts finally heat-treated after machining
19、shall conform to the latest edition of BS S 100. 3.7 Parts shall be supplied in the fully heat-treated, hardened and tempered, condition. NOTEThe format and symbols of Table 1 are derived from European Standards prEN 4500-1 and prEN 4500-5 which are published as AECMA prestandards. The presentation
20、is slightly modified to make it compatible with existing British standards. 1)The latest edition of this standard should be used. BS 5S 100:1993 is the latest edition at the time of publication. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:06:44 GMT+00:00
21、2006, Uncontrolled Copy, (c) BSI BS S 164:2002 2 BSI 30 October 2002 Table 1 Technical requirements for 1% chromium-molybdenum steel forging stock, billets and forgings 1Material designationBS S 164 2Chemical Composition % ElementCSiMnPSCrMoNiFe min.0.180.100.400.800.15 Base max.0.260.350.800.0200.0
22、151.200.250.50 3Method of meltingAir melted by an electric process 4.1 FormForging stock and billets for further workingForgings 4.2 Method of productionCast or wroughtForged from forging stock conforming to S 164A 4.3 Limit dimensions mm De?16 5.1 Technical specificationBS S 100BS S 100BS S 100 5.2
23、 Dimensional tolerancesBS S 100BS S 100BS S 100 6.1 Delivery conditionSoftenedSoftenedHardened and tempered Heat treatment870 ?C?940 ?C/OQ or WQ 450 ?C? 550?C/AC 7Use conditionDelivery conditionHardened and temperedDelivery condition Heat Treatment 870 ?C?940 ?C/OQ or WQ 450?C?550?C/AC Characteristi
24、cs 8.1 Test sampleCondition of supply BS S 100, Section 5. Forged or machined test sample. Condition of supplyBS S 100, Section 6BS S 100, Section 6 8.2 Test pieceBS S 100, Section 5BS S 100, Section 6BS S 100, Section 6 8.3 Heat treatment870 ?C?940 ?C/OQ or WQ 450?C?550 ?C/AC Use conditionDelivery
25、condition 9Dimensions concernedmmDe ? 16 mmDe ? 16 mmDe ? 16 mm 11Direction of test pieceL or TL or TL or T 12 T Temperature?CAmbientAmbientAmbient 13Proof stressRp0.2MPa?880?880? 880 14StrengthRmMPa1 150 ? Rm ? 1 3001 150 ? Rm ? 1 3001 150 ? Rm ? 1 300 15ElongationA%?8?8?8 16Reduction of area Z% 17
26、Hardness?241 HB341 ? HB ? 388 360?HV?410 ?241 HB341 ? HB ? 388 360?HV?410 341 ? HB ? 388 360?HV?410 20Impact strength Izodft?lbf?20?20?20 44External defectsBS S 100, Section 1BS S 100, Section 1BS S 100, Section 1 50Macro and micro-cleannessBS S 100, Section 1 + Annex ABS S 100, Section 1 + Annex AB
27、S S 100, Section 1 + Annex A 61Internal defects Ultrasonic testing BS S 100, Section 1 + Annex BBS S 100, Section 1 + Annex BBS S 100, Section 1 + Annex B 97Product and condition designationS 164AS 164CS 164F 98Notes Licensed Copy: London South Bank University, London South Bank University, Sat Dec
28、09 03:06:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS S 164:2002 BSI 30 October 2002 3 Table 2 Technical requirements for 1% chromium-molybdenum steel black bars 1Material designationBS S 164 2Chemical Composition % ElementCSiMnPSCrMoNiFe min.0.180.100.400.800.15 Base max.0.260.350.800.0200.015
29、1.200.250.50 3Method of meltingAir melted by an electric process 4.1 FormBlack bars 4.2 Method of productionForged or rolled 4.3 Limit dimensionsmmDe?16 mm 5.1 Technical specificationBS S 100BS S 100 5.2 Dimensional tolerancesBS S 100BS S 100 6.1 Delivery conditionSoftenedHardened and tempered Heat
30、treatment870?C? ? ?940?C/OQ or WQ 450?C? ? ?550 ?C/AC 7Use conditionHardened and temperedDelivery condition Heat Treatment870?C? ? ?940?C/OQ or WQ 450?C? ? ?550?C/AC Characteristics 8.1 Test sampleCondition of supply BS S 100, Section 2. Forged or machined test sample. BS S 100, Section 3 8.2 Test p
31、ieceBS S 100, Section 2. BS S 100, Section 3 8.3 Heat treatmentUse conditionDelivery condition 9Dimensions concerned mmDe?16 mmDe?16 mm 11 Direction of test pieceLL 12 T Temperature?CAmbientAmbientAmbient 13Proof stressRp0.2MPa?880?880 14StrengthRmMPa1 150?Rm?1 300 1 150?Rm?1 300 15ElongationA%?8?8
32、16Reduction of area Z% 17 Hardness?241 HB341?HB?388 360?HV?410 341?HB?388 360?HV?410 20 Impact strength Izod ft?lbf?20?20 44 External defectsBS S 100, Section 1BS S 100, Section 1 50 Macro and micro-cleannessBS S 100, Section 1 + Annex ABS S 100, Section 1 + Annex A 61 Internal defects Ultrasonic te
33、sting BS S 100, Section 1 + Annex BBS S 100, Section 1 + Annex B 97 Product and condition designation S 164BS 164E 98 Notes Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:06:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS S 164:2002 4 BSI 30 October 2002 Ta
34、ble 3 Technical requirements for 1% chromium-molybdenum steel bright bars 1Material designationBS S 164 2Chemical Composition % ElementCSiMnPSCrMoNiFe min.0.180.100.400.800.15 Base max.0.260.350.800.0200.0151.200.250.50 3Method of meltingAir melted by an electric process 4.1 FormBright bars 4.2 Meth
35、od of productionForged or rolled and subsequently cold drawn, cold rolled, machined or ground 4.3 Limit dimensionsmmDe?16 5.1 Technical specificationBS S 100BS S 100 5.2 Dimensional tolerancesBS S 100BS S 100 6.1 Delivery conditionSoftenedHardened and tempered Heat treatment870?C? ? ?940?C/OQ or WQ
36、450?C? ? ?550 ?C/AC 7Use conditionHardened and temperedDelivery condition Heat Treatment870?C? ? ?940?C/OQ or WQ 450?C? ? ?550?C/AC Characteristics 8.1 Test sampleCondition of supply BS S 100, Section 2. Forged or machined test sample. BS S 100, Section 3 8.2 Test pieceBS S 100, Section 2. BS S 100,
37、 Section 3 8.3 Heat treatmentUse conditionDelivery condition 9Dimensions concernedmmDe?16 mmDe?16 mm 11 Direction of test pieceLL 12 T Temperature?CAmbientAmbientAmbient 13Proof stressRp0.2MPa?880?880 14StrengthRmMPa1 150?Rm?1 300 1 150?Rm?1 300 15ElongationA%?8?8 16Reduction of area Z% 17 Hardness?
38、241 HB341?HB?388 360?HV?410 341?HB?388 360?HV?410 20 Impact strength Izodft?lbf?20?20 44 External defectsBS S 100, Section 1BS S 100, Section 1 50 Macro and micro-cleannessBS S 100, Section 1 + Annex ABS S 100, Section 1 +Annex A 61 Internal defects Ultrasonic testing BS S 100, Section 1 + Annex BBS
39、 S 100, Section 1 +Annex B 97 Product and condition designation S 164DS 164G 98 Notes Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 03:06:44 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS S 164:2002 BSI 30 October 2002 5 Bibliography Standards publications prEN
40、 4500-1:1996, Metallic materials Rules for drafting and presentation of material standards Part 1: General rules. prEN 4500-5:1996, Metallic materials Rules for drafting and presentation of material standards Part 5: Specific rules for steels. Licensed Copy: London South Bank University, London Sout
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