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   You are in: HOME > Technical Information > Mechanical Property and Chemical Requirements (Composition) > DIN 267 Part 24 Fastener Technical Delivery Condition Property Classes for Nuts ( Hardness Classes)
 

 
DIN 267 Part 24 - Table 2. Chemical Composition
 
Property class
C max.
Mn min.
P max.
S max.
11H
0.50
  
0.110
0.150
14H
0.50
  
0.110
0.150
17H
0.58
0.30
0.060
0.150
22H
0.58
0.30
0.048
0.058
 
DIN 267 Part 24 - Table 3. Chemical Co mposition from Free-Cutting Steel
Property class
C max.
Mn max.
P max.
S max.
11H,14H,17H
0.50
0.12
0.350
0.340
 
DIN 267 Part 24 - Table 4. Mechanical Proper ties
Mechanical
Property class
Property class
11H
14H
17H
22H
Vickers
min.
110
140
170
220
hardness HV5
max.
185
215
245
300
Brinell hard-
min.
105
133
162
209
ness, HB30
max.
176
204
233
285
 
 
 
 

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