Material Properties - Steel Nuts - DIN 267 pt 4 ISO 898 pt 2 EN 20898 pt 2

Property class Treatment Chemical composition
C (max. Mn (min.) P (max.) S (max.)
4 - 0.5 - 0.11 0.15
5 - 0.5 - 0.11 0.15
6 - 0.5 - 0.11 0.15
8 Quenched and tempered above M16 0.58 0.25 0.06 0.15
10 Quenched and tempered 0.58 0.3 0.048 0.058
12 Quenched and tempered 0.58 0.45 0.048 0.058
 

Material Properties - Steel Nuts - Machined from Free-Cutting Steel

 
Property class Treatment Chemical composition
C (max.) P (max.) Pb (max.) S (max.)
5 AU, 6 AU - 0.5 0.12 0.35 0.34

 



Note: Due to the fact that fastening applications differ greatly, the above information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information.