P355Q ( 1.8866 )

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Grade :    P355Q
    Number:    1.8866
    Classification:    Alloy special basic steel
    Standard:
    EN 10028-6: 2009 Flat products made of steels for pressure purposes. Weldable fine grain steels, quenched and tempered

Chemical composition %   of grade   P355Q (1.8866):   EN 10028-6-2009
CSiMnNiPSCrMoVNNbTiCuZrB
max   0.16max   0.4max   1.5max   0.5max   0.025max   0.01max   0.3max   0.25max   0.06max   0.015max   0.05max   0.03max   0.3max   0.05max   0.005


Mechanical properties of grade   P355Q (1.8866)

Nominal thickness (mm):  to 100100 - 150
Rm - Tensile strength (MPa) (+QT)490-630450-590


Nominal thickness (mm):  to 5050 - 100100 - 150
ReH - Minimum yield strength (MPa) (+QT)355335315


KV - Impact energy (J) transverse, (+QT)-20°
27

40
+20°
60


A - Min. elongation at fracture (%) (+QT)22