GBN 166-1982 Conversion values ​​of hardness and strength of aluminum alloys

GBN 166-1982 Aluminum alloy hardness and strength conversion value GBN166-1982 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
GBn166—82
Values ​​of hardness and strength for aluminum alloy conversion tables1982-08-11Promulgated
Approved by the State Bureau of Standards
Implementation on 1983-05-01
National Standard of the People's Republic of China
Conversion values ​​of hardness and strength for aluminum alloy conversion tablesGBn16682
This standard applies to deformed aluminum alloys, mainly hard aluminum alloys LY11, LY12, superhard aluminum alloy LC4 and forged aluminum alloys LD5, LD10, etc.bZxz.net
1 Instructions for use of conversion value tables
1.1 For specimens with uniform organization, the conversion values ​​obtained according to Tables 1 to 4 of this standard are accurate. When the hardness of the plate is converted into strength according to this standard, if the requirements are strict, the processing characteristics must be considered and the conversion value must be appropriately corrected. 1.2 For the test piece with aluminum cladding, the aluminum cladding should be removed before testing and conversion. 1.3 For the test piece with general accuracy requirements, the strength value listed in the "deformed aluminum alloy" column in Table 1 is used for conversion. 2 Conversion table
Classification of conversion table
Hardness scale
Brinell hardness
Brinell hardness
Vickers hardness
Rockwell hardness
2.2. Conversion table
Published by the National Bureau of Standards on August 11, 1982
Aluminum alloy grades and process conditions
Annealing, quenching and artificial aging
(M, CS)
LY11,LY12,LC4,LD5,
LC4,LD5,LD10
LY11,LY12,LC4,LD5,
LY11,LY12,LC4,LD5,
Rate fire natural aging||t t||LY11,LY12,LD5,LD10
LY11,LY12,LD5,LD10
LY11,LY12,LD5,LD10
LY11，LY12,LD5，LD10
1983-05-01 actual release
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9.2.5.9.2
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European B team version
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