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Chemical composition %   of   steel   (X11CrMo9-1):   EN 10253-2-2007
S=<0.01 according EN 10216-2:2014
C Si Mn P S Cr Mo Al Cu
0.08 - 0.15 0.25 - 1 0.3 - 0.6 max   0.025 max   0.02 8 - 10 0.9 - 1.1 max   0.04 max   0.3

Mechanical properties of   steel  (X11CrMo9-1)

Rm - Tensile strength (MPa) (+I) 460-640
Rm - Tensile strength (MPa) (+NT) 590-740

Rp0.2 0.2% proof strength (MPa) (+I) 210
Rp0.2 0.2% proof strength (MPa) (+NT) 390

KV - Impact energy (J) longitud., +20°
KV - Impact energy (J) transverse, +20°

A - Min. elongation at fracture (%) longitud., (+I) 20
A - Min. elongation at fracture (%) longitud., (+NT) 18