Document Details |
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| Name of Department/Committee : | MTD 22 | ||||
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| Document Number : | MTD 22 ( 23090) | ||||
| Document Title [English] : | Microstructure of cast irons Part 3: Matrix structures (First Revision) | ||||
| Document Title [Hindi] : | ढलवाँ लोहा की सूक्ष्म संरचना भाग 3 : मैट्रिक्स संरचनाएं (पहला पुनरीक्षण ) | ||||
| Document Type : | Revision | ||||
| Language : | English | ||||
| Priority : | 3 | ||||
| ICS Code : | 77.080.10 | ||||
| Date of Project Approval : | 21-02-2023 | ||||
| Standards to be Revised : |
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| Standards to be Superseded : |
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Classification Details |
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| Group : | Metals, Alloys and Metal Products (including Steel Products) |
| Sub Group : | Heat treatment, metallography and testing |
| Sub Sub Group : | Code of Practice, Dimensions on metallography |
| Aspects : | Code of Practice |
| Risk : | None |
| Certification : | None |
| Short Commom Man's Title : | |
| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : | |
| Degree of Equivalence : | Identical under dual numbering |
| Identical/Equivalent Standards : | ISO/TR 945-3 : 2016 |
| Organization Type: | ISO |
Division Council Chairperson Approval Details |
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::Cross Referenced Indian Standard:: |
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::Cross Referenced International Standard(s) & Standard(s) Of National SDO(s) :: |
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| Sl. No. | Prefix | Number | Part | Section | Year | ||||||||
| Sl.No. | Synosis Points | |
| 1 | This Technical Report gives the designations, descriptions and reference micrographs of the matrix structures of cast irons. It applies to the following types of cast irons: — grey cast irons (Table 4.1); — spheroidal graphite cast irons (Table 4.2); — austenitic cast irons (Table 4.3); — malleable cast irons (Table 4.4); — compacted (vermicular) graphite cast irons (Table 4.5); — ausferritic spheroidal graphite cast irons (Table 4.6); — abrasion-resistant cast irons (Table 4.7). Each matrix structure is defined with explanations and micrographs. Unless otherwise stated in Clause 4, the micrographs shown correspond to samples etched with a solution of 2 % nitric acid in ethanol (Nital). | |
Timeline Details |
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Stages |
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| Sl. No. |
Stage | Date of Occurence | Remarks | Circulated to | Files |
| 1 | Generation of Document Number | 21-02-2023 | ------- | ||
| 2 | P-Draft Waived | 28-07-2023 | Since it is an ISO adoption | ------- | |
| 3 | WC Draft | 28-07-2023 | Duration : 30 Days Submitted for HOD approval Remarks : For your kind comments and inputs please |
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| 4 | WC Draft | 28-07-2023 | WC approved by HOD |
MTDC | ------- |
| 5 | Skipped to Finalization | 01-04-2024 | Stage-Changed | ------- | |
| 6 | Finalization | 10-08-2023 | Decision of the committee | ------- | |
| 7 | Final Draft | 01-04-2024 | Submited for HOD approval Remarks: It is to inform that IS 7754 : 1975 has already been withdrawn and IS 7754 Part 1 : 2022ISO 945-1 : 2019 has been published Later the committee decided to adopt ISOTR 945-3 : 2016 as IS 7754 Part 3 |
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| 8 | Final Draft draft accepted by HOD and sent to Publication | 01-04-2024 | Final Draft approved by HOD | ------- | |
| 9 | Final Draft draft accepted by HOD and sent to Publication | 01-04-2024 | Final Draft approved by HOD | ------- | |
| 10 | Accepted by Publication | 04-04-2024 | Final Draft accepted by Publication Remarks: Accepted by Publication |
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| 11 | Proof sent by OSA to Publication | 09-04-2024 | Proof to OSA Stage-Skipped | ------- | |
| 12 | Skipped to Pdf Stage | 09-04-2024 | Proof to Technial Department Stage-Skipped | ------- | |
| 13 | Stage-Skipped | 09-04-2024 | PDF to OSA Stage-Skipped | ------- | |
| 14 | Pdf sent by Publication to Technical Department | 09-04-2024 | PDF attached, please check and provide chairperson approval and gazette details. | ------- | |
| 15 | Pdf sent by Technical Department to Publication | 16-04-2024 | MTDC chairperson approval has been attached, kindly proceed further for printing of the document. | ------- | |
| 16 | Pdf sent by Publication to Technical Department | 22-04-2024 | IS 7754 : 1975 version is already withdrawn. Kindly review the gazette details. | ------- | |
| 17 | Pdf sent by Technical Department to Publication | 25-04-2024 | IS 7754:1975 has been split into different parts and has been withdrawn when IS 7754 (Part 1):2022 was published. Now IS 7754 (Part 3) is formulated by adopting ISO/TR 945-3 : 2016. | ------- | |