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GB/T 17394.4-2014 English PDF (GBT17394.4-2014)

GB/T 17394.4-2014 English PDF (GBT17394.4-2014)

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GB/T 17394.4-2014: Metallic materials -- Leeb hardness test -- Part 4: Tables of hardness values conversation

This Part of GB/T 17394 gives the tables of Leeb hardness values conversion for D-type, G-type and C-type impact devices.
GB/T 17394.4-2014
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.040.10
H 22
Metallic Materials ?€? Leeb Hardness Test ?€? Part 4: Tables of
Hardness Values Conversion
ISSUED ON: SEPTEMBER 30, 2014
IMPLEMENTED ON: MAY 01, 2015
Issued by: General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of the PEOPLE Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Tables of Leeb Hardness Values Conversion for D-Type Impact Device ... 4 3 Tables of Leeb Hardness Values Conversion for G-Type Impact Device ... 16 4 Table of Leeb Hardness Values Conversion for C-type impact device ... 19 Foreword
GB/T 17394 Metallic Materials ?€? Leeb Hardness Test consists of the following 4 parts: --- Part 1: Test Method;
--- Part 2: Verification and Calibration of Hardness Tester;
--- Part 3: Calibration of Reference Blocks;
--- Part 4: Tables of Hardness Values Conversation.
This Part is Part 4 of GB/T 17394.
This Part was drafted as per the rules specified in GB/T 1.1-2009.
This Part was proposed by China Iron and Steel Industry Association.
This Part shall be under the jurisdiction of National Technical Committee on Steel of Standardization Administration of China (SAC/TC 183).
Drafting organizations of this Part: Central Iron & Steel Research Institute; and China Metallurgical Information and Standardization Institute.
Chief drafting staffs of this Part: Gao Yifei, and Dong Li.
Metallic Materials ?€? Leeb Hardness Test ?€? Part 4: Tables of
Hardness Values Conversion
1 Scope
This Part of GB/T 17394 gives the tables of Leeb hardness values conversion for D-type, G- type and C-type impact devices.
2 Tables of Leeb Hardness Values Conversion for D-Type
Impact Device
For the tables of Leeb harness values conversion for D-type impact device made of carbon steel, low-alloy steel and cast steel, cast iron, cast aluminum alloy, copper-zinc alloy, copper- aluminum alloy and copper-tin alloy, pure copper and low-copper alloy, see Tables 1, 2, 3, 4, 5 and 6, respectively.
Table 1 -- Carbon Steel, Low Alloy Steel and Cast Steel (E???210000 MPa)

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