GB/T 4341.1-2014 English PDF

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GB/T 4341.1-2014: Metallic materials -- Shore hardness test -- Part 1: Test method
Status: Valid

GB/T 4341.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4341.1-2014	279	Add to Cart	3 days	Metallic materials -- Shore hardness test -- Part 1: Test method	Valid
GB/T 4341-2001	199	Add to Cart	2 days	Metallic materials -- Shore hardness test	Obsolete
GB/T 4341-1984	199	Add to Cart	2 days	Metallic materials--Shore hardness test	Obsolete

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GB/T 4340.1   GB/T 4337   GB/T 4340.1   GB/T 4340.4   GB/T 4341.3   GB/T 4341.2   

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Older Standard (superseded by this standard): GB/T 4341-2001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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