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