BRITISH STANDARD BS EN 10277 5 2008 Bright steel products — Technical delivery conditions — Part 5 Steels for quenching and tempering ICS 77 140 20; 77 140 60 12&23 1,00 ≤ 1,10 ≤ 0,035 ≤ 0,040 ≤ 1,70 ≤ 0,30 ≤ 1,70 ≤ 0,25 Permissible deviationsa % by mass ± 0,02 ± 0,03 + 0,03 ± 0,04 ± 0,05 + 0,005 + 0,005b ± 0,05 ± 0,03 ± 0,05 ± 0,02 ± means that in one cast the deviation may occur over the upper value or under the lower value of the specified range in Table 1, but not both at the same time b For steels with a specified sulphur range (0,020 % to 0,040 % according to cast analysis), the permissible deviation is ± 0,005 % BS EN 10277-5:2008 EN 10277-5:2008 (E) Table — Mechanical properties in the cold drawn (+C) condition Mechanical properties a Cold drawn (+C) Thickness Proof Tensile Elongation Steel mm b b Steel name strength strength A number Rp0,2 Rm % MPa MPa min ≥ ≤ 10 510 650 to 000 > 10 ≤ 16 420 600 to 950 C35E 1.1181 > 16 ≤ 40 320 580 to 880 C35R 1.1180 > 40 ≤ 63 300 550 to 840 > 63 270 520 to 800 ≥ ≤ 10 540 700 to 000 > 10 ≤ 16 460 650 to 980 C40E 1.1186 > 16 ≤ 40 365 620 to 920 C40R 1.1189 > 40 ≤ 63 330 590 to 840 > 63 290 550 to 820 ≥ ≤ 10 565 750 to 050 > 10 ≤ 16 500 710 to 030 C45E 1.1191 > 16 ≤ 40 410 650 to 000 C45R 1.1201 > 40 ≤ 63 360 630 to 900 > 63 310 580 to 850 ≥ ≤ 10 590 770 to 100 > 10 ≤ 16 520 730 to 080 C50E 1.1206 > 16 ≤ 40 440 690 to 050 C50R 1.1241 > 40 ≤ 63 390 650 to 030 > 63 ≥ ≤ 10 630 800 to 150 > 10 ≤ 16 550 780 to 130 C60E 1.1221 > 16 ≤ 40 480 730 to 100 C60R 1.1223 > 40 ≤ 63 > 63 a For thickness < mm, the mechanical properties may be agreed at the time of enquiry and order b For flats and special sections the proof strength (Rp0,2) may deviate by – 10 % and the tensile strength (Rm) by ± 10 % Designation A 8 6 9 7 11 01 8 11 01 8 21 11 01 9 nim % 059 ot 057 089 ot 087 030 ot 038 080 ot 088 001 ot 009 088 ot 086 039 ot 037 099 ot 097 030 ot 038 070 ot 078 058 ot 056 058 ot 056 059 ot 057 010 ot 018 050 ot 058 008 ot 006 028 ot 026 009 ot 007 059 ot 057 000 ot 008 057 ot 055 077 ot 075 058 ot 056 009 ot 007 059 ot 057 mR a PM 2,0pR 525 545 085 516 036 574 015 555 085 016 554 554 525 565 595 024 534 094 525 065 583 004 554 094 525 nim aPM )C+ TQ+( nward dloc + derepmet dna dehcneuQ A 41 41 31 61 61 51 71 71 61 91 91 81 02 02 91 nim % 009 ot 057 009 ot 057 059 ot 008 008 ot 056 008 ot 056 058 ot 007 087 ot 036 087 ot 036 008 ot 056 057 ot 006 057 ot 006 087 ot 036 007 ot 055 007 ot 055 057 ot 006 mR aPM 049 ot 076 049 ot 076 049 ot 076 019 ot 016 019 ot 016 019 ot 016 028 ot 085 028 ot 085 028 ot 085 017 ot 055 017 ot 055 017 ot 055 007 ot 025 007 ot 025 007 ot 025 - 872 ot 891 872 ot 891 872 ot 891 962 ot 181 962 ot 181 962 ot 181 242 ot 271 242 ot 271 242 ot 271 112 ot 361 112 ot 361 112 ot 361 702 ot 451 702 ot 451 702 ot 451 - aPM WBH mR ssendraH )HS+ A+( denrut + delaenna ro )HS+( cdenrut + dellor sA 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ mm b,assenkcihT 9811.1 6811.1 1021.1 1911.1 1421.1 6021.1 3221.1 1221.1 R53C E53C R04C E04C R54C E54C R05C E05C R06C E06C d c b a 01 0811.1 1811.1 eman leetS noitangiseD rebmun leetS noitidnoc ”denrut + derepmet dna dehcneuq“ eht rof dilav osla era seulav esehT sleets deyolla rof ”denrut + delaenna“ ,sleets deyollanu rof ”denrut + dellor sA“ redro dna yriuqne fo emit eht ta deerga eb yam seitreporp lacinahcem eht mm < sessenkciht roF 1.A erugiF ,1-77201 NE ees ,snoitidnoc derepmet dna dehcneuq eht ni stcudorp dnuor-non roF 2,0pR 054 054 025 004 004 064 073 073 034 053 053 004 023 023 073 nim aPM )TQ+ C+( dderepmet dna dehcneuq + nward dloC bseitreporp lacinahceM gnirepmet dna gnihcneuq rof sleets yolla non fo seitreporp lacinahce M — elbaT )E( 8002:5-77201 NE 8002:5-77201 NE SB 11 882 882 392 892 803 082 082 582 092 003 052 052 552 062 072 072 072 082 582 592 562 562 072 572 582 xam WBH ssendraH )C+ A+( nward dloC + delaennA A 01 01 8 01 01 8 21 11 01 9 11 01 8 11 01 9 nim % 002 ot 000 002 ot 000 002 ot 000 002 ot 000 002 ot 000 001 ot 009 001 ot 009 002 ot 000 002 ot 000 002 ot 000 009 ot 007 009 ot 007 000 ot 008 001 ot 009 001 ot 009 000 ot 008 000 ot 008 001 ot 009 002 ot 000 002 ot 000 009 ot 007 009 ot 007 000 ot 008 001 ot 009 001 ot 009 aPM emR 2,0pR 056 056 027 057 077 056 056 027 057 077 054 025 006 007 007 075 075 076 057 077 084 015 085 007 007 nim aPM A 11 11 01 21 21 11 51 51 41 41 41 21 51 51 41 nim % 002 ot 000 002 ot 000 003 ot 001 001 ot 009 001 ot 009 002 ot 000 058 ot 007 058 ot 007 059 ot 008 059 ot 008 059 ot 008 001 ot 009 058 ot 007 058 ot 007 059 ot 008 mR a PM 2,0pR 008 008 009 056 056 057 054 054 006 065 065 066 064 064 095 nim aPM )TQ+ C+( dderepmet dna dehcneuq + nward dloC bsetireporp lacinahceM 842 842 842 142 142 142 212 212 212 142 142 142 322 322 322 xam WBH ssendraH )HS+ A+( denrut + delaenna ro )HS+( cdenrut + dellor sA 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ mm b,a ssenkcihT gnirepmet dna gnihcneuq rof sleets yolla fo seitreporp lacinahce M — elbaT )C+ TQ+( nward dloc + derepmet dna dehcneuQ )E( 8002:5-77201 NE 8002:5-77201 NE SB rebmun leetS 7307.1 9307.1 3127.1 7227.1 2856.1 eman leetS 4SrC43 4SrC14 4SoMrC52 4SoMrC24 6oMiNrC43 noitangiseD 782 392 113 082 082 582 092 592 xam WBH ssendraH )C+ A+( nward dloC + delaennA A 01 01 8 nim % 080 ot 088 080 ot 088 031 ot 039 031 ot 039 081 ot 089 m aPM e R 2,0pR 006 526 007 007 537 nim aPM )C+ TQ+( nward dloc + derepmet dna dehcneuQ A 21 01 21 21 11 nim % 2,0pR 007 008 009 537 537 537 nim aPM m 842 842 842 042 042 042 xam WBH ssendraH )HS+ A+( denrut + delaenna ro )HS+( cdenrut + dellor sA 08 ≤ 04 > 04 ≤ 61 > 61 ≤ 001 ≤ 36 > 36 ≤ 04 > 04 ≤ 61 > 61 ≤ 01 > 01 ≤ ≥ mm b,assenkcihT 9518.1 3oMrCiN93 4VrC15 e d c b a 21 0156.1 eman leetS noitangiseD rebmun leetS % 01 ± yb etaived yam ) R( htgnerts elisnet eht snoitces laiceps dna stalf roF noitidnoc ”denrut dna derepmet dna dehcneuq“ eht rof dilav osla era seulav esehT sleets deyolla rof ”denrut + delaenna“ ,sleets deyollanu rof ”denrut + dellor sA“ redro dna yriuqne fo emit eht ta deerga eb yam seitreporp lacinahcem eht mm < sessenkciht roF 1.A erugiF ,1-77201 NE ees ,snoitidnoc derepmet dna dehcneuq eht ni stcudorp dnuor-non roF 001 ot 009 002 ot 000 003 ot 001 080 ot 088 080 ot 088 031 ot 039 - mR a PM )TQ + C+( dderepmet dna dehcneuq + nward dloC bseitreporp lacinahceM )deunitnoc(5 elbaT )E( 8002:5-77201 NE 8002:5-77201 NE SB blank BS EN 10277-5:2008 BSI — British Standards Institution BSI is the independent national body responsible for preparing British Standards It presents the UK view on standards in Europe and at the international level It is incorporated by Royal Charter Revisions British Standards are updated by amendment or revision Users of British Standards should make sure that they possess the latest amendments or editions It is the constant aim of BSI to improve the quality of our products and services We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover Tel: +44 (0)20 8996 9000 Fax: +44 (0)20 8996 7400 BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services Tel: +44 (0)20 8996 9001 Fax: +44 (0)20 8996 7001 Email: orders@bsi-global.com Standards are also available from the BSI website at http://www.bsi-global.com In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service Various BSI electronic information services are also available which give details on all its products and services Contact the Information Centre Tel: +44 (0)20 8996 7111 Fax: +44 (0)20 8996 7048 Email: info@bsi-global.com Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards For details of these and other benefits contact Membership Administration Tel: +44 (0)20 8996 7002 Fax: +44 (0)20 8996 7001 Email: membership@bsi-global.com Information regarding online access to British Standards via British Standards Online can be found at http://www.bsi-global.com/bsonline Further information about BSI is available on the BSI website at http://www.bsi-global.com Copyright BSI 389 Chiswick High Road London W4 4AL Copyright subsists in all BSI publications BSI also holds the copyright, in the UK, of the publications of the international standardization bodies Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained Details and advice can be obtained from the Copyright & Licensing Manager Tel: +44 (0)20 8996 7070 Fax: +44 (0)20 8996 7553 Email: copyright@bsi-global.com