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1、 Reference number ISO 14737:2003(E) ISO 2003 INTERNATIONAL STANDARD ISO 14737 First edition 2003-09-01 Cast non-alloy and low alloy steels for general applications Aciers mouls non allis et faiblement allis pour applications gnrales Copyright International Organization for Standardization Provided b
2、y IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14737:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this fil
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5、t the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in
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7、749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2003 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networkin
8、g permitted without license from IHS -,-,- ISO 14737:2003(E) ISO 2003 All rights reserved iii Contents Page Forewordiv 1 Scope1 2 Normative references .1 3 General conditions for delivery.1 4 Chemical composition1 5 Heat treatment.1 6 Mechanical properties1 7 Test methods.2 8 Supplementary requireme
9、nts 2 Annex A (informative) Supplementary requirements6 Annex B (informative) Guidance data for welding 7 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networking
10、 permitted without license from IHS -,-,- ISO 14737:2003(E) iv ISO 2003 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried
11、out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO
12、collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare Internationa
13、l Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the eleme
14、nts of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 14737 was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 11, Steel castings. Copyright International Organization for Standardization Prov
15、ided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 14737:2003(E) ISO 2003 All rights reserved 1 Cast non-alloy and low alloy steels for general appli
16、cations 1 Scope This International Standard specifies requirements for cast non-alloy and low alloy steel grades for general applications. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited ap
17、plies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 148:1983, Steel Charpy impact test (V-notch) ISO 4990:1986, Steel castings General technical delivery requirements ISO 6892:1998, Metallic materials Tensile testing at ambient tempera
18、ture 3 General conditions for delivery Steel castings supplied in accordance with this International Standard shall conform to the applicable requirements of ISO 4990, including the supplementary requirements that are indicated in the inquiry and purchase order. 4 Chemical composition The chemical c
19、omposition shall conform to the values given in Table 1. 5 Heat treatment The type of heat treatment is left to the discretion of the manufacturer unless otherwise agreed upon at the time of inquiry and order. The information for heat treatment described in Table 2 is for information only. 6 Mechani
20、cal properties Mechanical properties are given in Table 2 and shall be subject to an agreement at the time of inquiry and order. Unless otherwise specified (see ISO 4990) the thickness of the test block shall be 28 mm minimum. Properties at thicknesses greater than the maximum thickness in Table 2 m
21、ay be lower and are subject to an agreement between manufacturer and purchaser. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networking permitted without license
22、 from IHS -,-,- ISO 14737:2003(E) 2 ISO 2003 All rights reserved 7 Test methods 7.1 Tensile testing shall be performed in accordance with ISO 6892. 7.2 Impact testing shall be performed in accordance with ISO 148. 8 Supplementary requirements This international standard also specifies a group of sup
23、plementary requirements, which may be applied to steel castings. These requirements are provided for use when additional testing or inspection is desired and apply only when individually specified by the purchaser. A list of supplementary requirements which may be used at the option of the purchaser
24、 is given in ISO 4990 and in Annex A. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14737:2003(E) ISO 2003
25、 All rights reserved 3 Table 1 Steel grades and chemical composition (cast analysis), % by mass Analyses Designation C Si max. Mn P max. S max. Cr Mo Ni V Cu max. GS 200 0,18 max. 0,60 1,20 max. 0,030 0,025 0,30 max.a 0,12 max.a 0,40 max.a 0,03 max.a 0,30a GS 230 0,22 max. 0,60 1,20 max. 0,030 0,025
26、 0,30 max.a 0,12 max.a 0,40 max.a 0,03 max.a 0,30a GS 270 0,24 max. 0,60 1,30 max. 0,030 0,025 0,30 max.a 0,12 max.a 0,40 max.a 0,03 max.a 0,30a GS 340 0,30 max. 0,60 1,50 max. 0,030 0,025 0,30 max.a 0,12 max.a 0,40 max.a 0,03 max.a 0,30a G20Mn5 0,17 to 0,23 0,60 1,00 to 1,60 0,030 0,020b 0,30 max.
27、0,15 max. 0,80 max. 0,05 max. 0,30 G28Mn6 0,25 to 0,32 0,60 1,20 to 1,80 0,030 0,025 0,30 max. 0,15 max. 0,40 max. 0,05 max. 0,30 G28MnMo6 0,25 to 0,32 0,60 1,20 to 1,60 0,025 0,025 0,30 max. 0,20 to 0,40 0,40 max. 0,05 max. 0,30 G20Mo5 0,15 to 0,23 0,60 0,50 to 1,00 0,025 0,020b 0,30 max. 0,40 to 0
28、,60 0,40 max. 0,05 max. 0,30 G10MnMoV6-3 0,12 max. 0,60 1,20 to 1,80 0,025 0,020 0,30 max. 0,20 to 0,40 0,40 max. 0,05 to 0,10 0,30 G20NiCrMo2-2 0,18 to 0,23 0,60 0,60 to 1,00 0,035 0,030 0,40 to 0,60 0,15 to 0,25 0,40 to 0,70 0,05 max. 0,30 G25NiCrMo2-2 0,23 to 0,28 0,60 0,60 to 1,00 0,035 0,030 0,
29、40 to 0,60 0,15 to 0,25 0,40 to 0,70 0,05 max. 0,30 G30NiCrMo2-2 0,28 to 0,33 0,60 0,60 to 1,00 0,035 0,030 0,40 to 0,60 0,15 to 0,25 0,40 to 0,70 0,05 max. 0,30 G17CrMo5-5 0,15 to 0,20 0,60 0,50 to 1,00 0,025 0,020b 1,00 to 1,50 0,45 to 0,65 0,40 max. 0,05 max. 0,30 G17CrMo9-10 0,13 to 0,20 0,60 0,
30、50 to 0,90 0,025 0,020b 2,00 to 2,50 0,90 to 1,20 0,40 max. 0,05 max. 0,30 G25CrMo4 0,22 to 0,29 0,60 0,50 to 0,80 0,025 0,020b 0,80 to 1,20 0,15 to 0,25 0,40 max. 0,05 max. 0,30 G32CrMo4 0,28 to 0,35 0,60 0,50 to 0,80 0,025 0,020b 0,80 to 1,20 0,15 to 0,25 0,40 max. 0,05 max. 0,30 G42CrMo4 0,38 to
31、0,45 0,60 0,60 to 1,00 0,025 0,020b 0,80 to 1,20 0,15 to 0,25 0,40 max. 0,05 max. 0,30 G50CrMo4 0,46 to 0,53 0,60 0,60 to 1,00 0,025 0,020b 0,80 to 1,20 0,15 to 0,25 0,40 max. 0,05 max. 0,30 G30CrMoV6-4 0,27 to 0,34 0,60 0,60 to 1,00 0,025 0,020b 1,30 to 1,70 0,30 to 0,50 0,40 max. 0,05 to 0,15 0,30
32、 G35CrNiMo6-6 0,32 to 0,38 0,60 0,60 to 1,00 0,025 0,020b 1,40 to 1,70 0,15 to 0,35 1,40 to 1,70 0,05 max. 0,30 G30NiCrMo7-3 0,28 to 0,33 0,60 0,60 to 0,90 0,035 0,030 0,70 to 0,90 0,20 to 0,30 1,65 to 2,00 0,05 max. 0,30 G40NiCrMo7-3 0,38 to 0,43 0,60 0,60 to 0,90 0,035 0,030 0,70 to 0,90 0,20 to 0
33、,30 1,65 to 2,00 0,05 max. 0,30 G32NiCrMo8-5-4 0,28 to 0,35 0,60 0,60 to 1,00 0,020 0,015 1,00 to 1,40 0,30 to 0,50 1,60 to 2,10 0,05 max. 0,30 a Cr+Mo+Ni+V+Cu max. 1,00 %. b For castings of ruling thickness 680b G25CrMo4 150 to 300 350 G32CrMo4 G42CrMo4 G50CrMo4 G30CrMoV6-4 G35CrNiMo6-6 200 to 350
34、G30NiCrMo7-3 G40NiCrMo7-3 200 to 350 b G32NiCrMo8-5-4 200 to 350 400 W 560 a The preheating temperature is related to the geometry, the thickness of the casting and climatic conditions. b The post weld heat treatment temperature shall be at least 20 K, but not more than 50 K below tempering temperat
35、ure. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 14737:2003(E) ICS 77.140.80 Price based on 7 pages ISO 2003 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:33:23 MDTNo reproduction or networking permitted without license from IHS -,-,-