Hardness Requirements of A194 / A194M

Wenzhou Nanlong Import&Export Trading CO.,LTD.(China)|Hardness Requirements of A194 / A194M
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Hardness Requirements of A194 / A194M
 
   
Metal Steel Technology Summary>>

Hardness Requirements of A194 / A194M
1,2,2HM,and 2H,4,3,6,6F,6F,7,7M,8,8A,8C,8CA,8M,8MA,
8T,8TA,8F,8FA,,8P,8PA,8N,8NA,8LN,8LNA,8MN,8MNA,8MLN,
8MLNA,8R,8RA,8S,8SA,8MLCuN,8MLCuNA,9C,9CA,16

 


Grade and Type
Completed Nuts
Sample Nut after Treatment as in 8.1.5
Brinell Hardness
Rockwell Hardness
Brinell Hardness,min
Rockwell Hardness B Scale,min
C
Scale
B Scale
1
121 min
70 min
121
70
2
159 to 352
84 min
159
84
2H to 1 1/2 in. or M36,incl
248 to 327
24 to 35
179
89
2H over 1 1/2 in. or M36
212 to 327
35 max
95 min
147
79
2HM and 7M
159 to 235
84 to 99
159
84
3.4.7. and 16
248 to 327
24 to 35
201
94
6 and 6F
228 to 271
20 to 28
8,8C,8M,8T,8F,8P,8N,
8MN,8LN,8MLN,8MLCuN,and 9C
126 to 300
32 max
60 min
8A,8CA,8MA,8TA,8FA,8PA,8NA,
8MNA,8LNA,8MLNA,8MLCuNA,and 9CA
126 to 192
60 to 90
8R,8RA,8S,and 8SA
183 to 271
25 max
88 min

 

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Hardness Requirements of A194 / A194M