GB/T 1423-1996
Active
GB/T 30140-2013
Active
National standards
GB/T 30140-2013 Measuring method for the shielding effectiveness of magnetic material in low frequency alternating magnetic field
GB/T 30140-2013 Measuring method for the shielding effectiveness of magnetic material in low frequency alternating magnetic field
Basic Information
Standard Code:
GB/T 30140-2013
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTest methods for the physical properties of metals
ICS Name:
Other testing methods for metal materials
Publish Date:
2013-12-17
Implement Date:
2014-05-14
Pages:
12 pages
Scope
This standard specifies the method for measuring the magnetic shielding efficiency of magnetic materials in low-frequency magnetic fields.
This standard is applicable to the following materials: metal magnetic shielding materials, composite magnetic shielding materials, and various coated shielding materials.
Development Information
Referenced Standards
GB/T 26667-2011 Terminology for electromagnetic shielding materials
ASTM A 34/A 34M-2006
ASTM A 340-2003a(2011)
Adopt standards
ASTM A698/A698M-2007
Related Standards
GB/T 1424-1996
Active
GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys
GB/T 1425-1996
Replaced
GB/T 1425-1996 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis
GB/T 17433-1998
Replaced
GB/T 17433-1998 Foundation terms for chemical analysis of metallurgical products
GB/T 4334.1-2000
Replaced
GB/T 4334.1-2000 Method of 10 per cent oxalic acid etch test for stainless steels
GB/T 4334.2-2000
Replaced