France · AFNOR NF

S 550 Q

NF A36-204

Chemical composition

ElementminmaxSimilarRemarks
Al0.08
B0.005
C0.08
Cr2
Cu1.5
Mn0.31.3
Mo1
N20.015
Nb0.06
Ni2
Si0.5
Ti0.2
V0.2