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Database: 189759 (19 Oct 2025)
JB/T 7780.2-2008 English PDF
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JB/T 7780.2-2008
: Methods for measuring mechanical and physical properties of wires for rivet contacts. Part 2: Determination of hardness
Status: Valid
JB/T 7780.2: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
JB/T 7780.2-2008
English
169
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Methods for measuring mechanical and physical properties of wires for rivet contacts. Part 2: Determination of hardness
Valid
JB/T 7780.2-2008
JB/T 7780.2-1995
English
199
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2 days [Need to translate]
(Rivet contacts with wire mechanical and physical performance test methods. Rivet contact wire hardness measurement method)
Obsolete
JB/T 7780.2-1995
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Basic data
Standard ID
JB/T 7780.2-2008 (JB/T7780.2-2008)
Description (Translated English)
Methods for measuring mechanical and physical properties of wires for rivet contacts. Part 2: Determination of hardness
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
K14
Classification of International Standard
29.120.20
Word Count Estimation
6,688
Date of Issue
2008-02-01
Date of Implementation
2008-07-01
Older Standard (superseded by this standard)
JB/T 7780.2-1995
Quoted Standard
GB/T 4340.2-1999
Regulation (derived from)
?Development and Reform Commission Announcement 2008 No.11
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the method for measuring the hardness of the rivet-type contact with the wire. This section applies to all types of wire processing in various ways made contact with rivet-type, but also applies to other contacts with wire.