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GB/T 4341.1-2014: Metallic materials -- Shore hardness test -- Part 1: Test method
Status: Valid GB/T 4341.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 4341.1-2014 | English | 279 |
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Metallic materials -- Shore hardness test -- Part 1: Test method
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GB/T 4341.1-2014
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| GB/T 4341-2001 | English | 199 |
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Metallic materials -- Shore hardness test
| Obsolete |
GB/T 4341-2001
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| GB/T 4341-1984 | English | 199 |
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Metallic materials--Shore hardness test
| Obsolete |
GB/T 4341-1984
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Basic data | Standard ID | GB/T 4341.1-2014 (GB/T4341.1-2014) | | Description (Translated English) | Metallic materials -- Shore hardness test -- Part 1: Test method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H22 | | Classification of International Standard | 77.040.10 | | Word Count Estimation | 12,168 | | Older Standard (superseded by this standard) | GB/T 4341-2001 | | Quoted Standard | GB/T 8170; JJG 346; JJG 347 | | Regulation (derived from) | People's Republic of China Announcement of Newly Approved National Standards 2014 No. 22 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the principles of a metallic material Shore hardness test methods, symbols and instructions, hardness, sample, test procedures, test report and uncertainty of test results. This standard applies Shore hardness testing in the range | GB/T 4341.1-2014: Metallic materials -- Shore hardness test -- Part 1: Test method---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Metallic materials - Shore hardness test - Part 1. Test method
ICS 77.040.10
H22
National Standards of People's Republic of China
Replacing GB/T 4341-2001
Shore hardness testing of metallic materials
Part 1. Test methods
Part 1. Testmethod
Issued on. 2014-09-30
2015-05-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Test principle 1
Symbol Description 1 and 4
5 hardness 1
6 Sample 2
7 Test Procedure 2
8 Measurement uncertainty of test results 2
9 Test report 3
Appendix A (normative) of users daily inspection of hardness 4
Annex B (informative) Shore hardness measurement uncertainty of the test results 5
Foreword
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 4341-2001 "Metal Shore hardness test methods", compared with the GB/T 4341-2001, the main technical change
Of the following.
--- Modify the standard name;
--- Increased in Chapter 2, normative references to the corresponding reference standard (see Chapter 2, 2001 edition of Chapter 2);
--- Increased provisions "results measurement uncertainty" (see Chapter 8);
--- Increasing the normative Appendix A "user of daily inspection of hardness";
--- Increase the informative Appendix B "Shore hardness test results of measurement uncertainty."
This part is proposed by the China Iron and Steel Association.
This part of the National Steel Standardization Technical Committee (SAC/TC183) centralized.
This section is drafted. Iron and Steel Research, Metallurgical Industry Information Standards Institute.
The main drafters of this section. TESTING AND Dong Li.
This part of the standard replaces the previous editions are.
--- GB/T 4341-1984, GB/T 4341-2001.
Shore hardness testing of metallic materials
Part 1. Test methods
1 Scope
This section GB/T 4341 specifies the principles of a metallic material Shore hardness test methods, symbols and instructions, hardness, sample test
Program, and the uncertainty of the test report test results.
This section applies to a Shore hardness test range 5HS ~ 105HS, divided into C type (visual type) and D (Indicating).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
JJG346 Shore hardness tester
JJG347 standard Shore hardness block
3 Test principle
A predetermined shape diamond punch from a predetermined height of free fall impact of the sample surface, in order to punch the first bounce height h and punch down
The ratio is calculated at the height h0 Shore hardness see equation (1).
HS = K
h0
(1)
Where.
HS --- Shore hardness;
K --- Shore hardness coefficient (C-type apparatus K = 104/65, D-type instrument K = 140);
h --- punch first bounce height, in millimeters (mm);
h0 --- punch fall height in millimeters (mm).
4 Symbol and description
Shore hardness symbol HS, HS behind the symbol durometer type.
Example 1.
25HSC represented by C-type (visual type) Shore hardness tester Shore hardness value of 25.
Example 2.
51HSD expressed D type (Indicating) Shore hardness tester Shore hardness value of 51.
5 durometer
The main technical parameters 5.1 Shore hardness in Table 1.
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