MS ISO 683-17_2010_PREV PDF.pdf

MALAYSIAN STANDARD

MS ISO 683-17:2010

HEAT-TREATED STEELS, ALLOY STEELS AND FREE-CUTTING STEELS - PART 17: BALL AND ROLLER BEARING STEELS (ISO 683-17:1999, IDT)

ICS: 77.140.20, 77.140.10 Descriptors: heat-treated steel, alloy steel, free-cutting steel, ball bearing steels, roller bearing steels

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DEVELOPMENT OF MALAYSIAN STANDARDS

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E-mail: [email protected]

MS ISO 683-17:2010

CONTENTS Page Committee representation .....................................................................................................

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National foreword............................................................................................... …………….

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1

Scope….……….…………..……………………………………………………………….

1

2

Normative references………..………………………………………………………….… 1

3

Terms and definitions.……………….…………………….………………………..…….

4

Ordering and designation..…..…………………………………………………………… 2

5

Requirements………..……………….………………….…………………….……….….

4

6

Inspection, testing and conformance of products ……….……………………….……

6

7

Marking……………………………..……………………………………….……………… 7

Table 1

2

Combination of usual heat-treatment conditions at delivery, product forms and requirements according to Tables 3 to 6………………….………………………….

8

Table 2

Surface condition at delivery……………………..……………………………………

9

Table 3

Types of steel and specified chemical composition (applicable to ladle analysis) …………………………………………………………. 10

Table 4

Permissible deviations between specified analysis and product analysis ……… 12

Table 5

Hardness limits for case hardening and induction hardening steels (H-grades) in the end-quench hardenability test …………………………………… 13

Table 6

Hardness in the usual conditions of delivery …………..…………………………… 14

Table 7

Test unit, number or sample products and test pieces and sampling and test methods for the different requirements …………………………………… 15

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MS ISO 683-17:2010

CONTENTS (continued) Page Table B1 Method A - Limits for degree of purity of air-melted through-hardening, case-hardening, induction-hardening and stainless bearing steel a,b,c ………….... 18 Table B2 Method K - Degree of purity of air-melted through-hardening, case-hardening and induction-hardening bearing steels a,b……………..……….... 19 Table C1 Designation of the steels given in Tables 8, 3, 5 and 6 and of comparable grades covered in various regional or national standards or designation systems ………………………………………………………………………………… 20 Annex A Supplementary or special requirements.………………………………………….…. 16 Annex B Content of microscopic non-metallic inclusions.……………………………………. 18 Annex C Designation of comparable steels…………………………………………………… 20 Bibliography ………………………………………………………………………………………… 21

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MS ISO 683-17:2010

Committee representation The Industry Standards Committee on Iron and Steel (ISC P) under whose authority this Malaysian Standard was adopted, comprises representatives from the following organisations: Association of Marine Industries of Malaysia Construction Industry Development Board Malaysia Department of Standards Malaysia Federation of Malaysian Manufacturers IKRAM QA Services Sdn Bhd Institute of Materials Malaysia Jabatan Kerja Raya Malaysia Malaysian Automotive Association Malaysian Industrial Development Authority Malaysian Iron and Steel Industry Federation Master Builders Association of Malaysia Ministry of International Trade and Industry Pertubuhan Akitek Malaysia SIRIM Berhad (National Centre for Machinery and Tooling Technology) SIRIM Berhad (Secretariat) SIRIM QAS International Sdn Bhd Universiti Malaya Universiti Sains Malaysia Universiti Teknologi Malaysia The Technical Committee on Alloy Steels which recommended the adoption of the ISO Standard as Malaysian Standard consists of representatives from the following organisations: Amsteel Mills Sdn Bhd Ann Joo Steel Berhad Bluescope Steel (M) Sdn Bhd Kanzen Tetsu Group Malaysian Iron and Steel Industry Federation Perwaja Steel Sdn Bhd SIRIM Berhad (Secretariat) SKF Bearing Industries (M) Sdn Bhd Southern Steel Berhad Tatt Giap Steel Centre Sdn Bhd Universiti Islam Antarabangsa Universiti Kebangsaan Malaysia Universiti Sains Malaysia

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MS ISO 683-17:2010

NATIONAL FOREWORD The adoption of the ISO Standard as a Malaysian Standard was recommended by the Technical Committee on Alloy Steels under the authority of the Industry Standards Committee on Iron and Steel. This Malaysian Standard is identical with ISO 683-17:1999, Heat-treated steels, alloy steels and free-cutting steels - Part 17: Ball and roller bearing steels, published by the International Organization for Standardization (ISO) with the following modifications: a) in the source text, “this International Standard” has been replaced by “this Malaysian Standard”; b) the comma which is used as a decimal sign, has been replaced by a point; c) Clause/Subclause General

Modifications Replace the word “cast analysis” with “ladle analysis”

Explanation: Ladle analysis is more relevant compared to cast analysis. d) reference to International Standards should be replaced by equivalent Malaysian Standards as follows: Referenced International Standards

Corresponding Malaysian Standards

ISO 404:1992, Steel and steel products General technical delivery requirements

MS 1846:2005, Steel and steel products General technical delivery requirements

ISO 4948-1:1982, Steels - Classification Part 1: Classification of steels into unalloyed and alloy steels based on chemical composition

MS ISO 4948-1:2007, Steels Classification - Part 1: Classification of steels into unalloyed and alloy steels based on chemical composition

ISO 6506:1981, Metallic Hardness test - Brinell test

MS ISO 6506-1:2003, Metallic materials Brinell hardness test - Part 1: Test method (First revision)

materials

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Compliance with a Malaysian Standard does not of itself confer immunity from legal obligations. NOTE. IDT on the front cover indicates an identical standard i.e. a standard where the technical content, structure, and wording (or is an identical translation) of a Malaysian Standard is exactly the same as in an International Standard or is identical in technical content and structure although it may contain the minimal editorial changes specified in clause 4.2 of ISO/IEC Guide 21-1.

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