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P255QL

Sources: this site    Click:    Date: 2016-1-8 1:52:54

 Grade :    P255QL
    Number:    1.0452
    Classification:    Non-alloy quality steel
    Standard:
    EN 10216-4: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified low temperature properties
Chemical composition %   of grade   P255QL (1.0452):   EN 10216-4-2014
CSiMnNiPSCrMoVNbTiAlCu
max   0.17max   0.350.4 - 1.2max   0.3max   0.025max   0.01max   0.3max   0.08max   0.02max   0.01max   0.04max   0.02max   0.3


Mechanical properties of grade   P255QL (1.0452)

Rm - Tensile strength (MPa) (+QT)360-490


Rp0.2 0.2% proof strength (MPa) (+QT)255


KV - Impact energy (J) longitud., (+QT)-50°
40		-40°
40-45		-20°
45-50		+20°
55-60
KV - Impact energy (J) transverse, (+QT)-50°
27		-40°
27-30		-20°
30-35		+20°
35-40


A - Min. elongation at fracture (%) longitud., (+QT)23
A - Min. elongation at fracture (%) transverse, (+QT)21

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