France · AFNOR NF

C 75 RR

NF A36-102 — Iron and steel products. Hot-rolled non alloy mild steel strip for subsequent working.

Chemical composition

wt% · log scale
0.010.1110Al0.03C0.7 – 0.8Cr0.3Mn0.5 – 0.8Mo0.1Ni0.4P0.025S0.02Si0.15 – 0.35
  • min – max range
  • typical value

Chemical composition

ElementminmaxSimilarRemarks
Al0.03
C0.70.8
Cr0.3
Mn0.50.8
Mo0.1
Ni0.4
P0.025
S0.02
Si0.150.35

Heat treatment

Type1
Heat-treatment curveHardness-Tempering
Heat-treatment curveTTT
Heat-treatment curveCCT